CERN Accelerating science

Article
Report number arXiv:2310.05864 ; CERN-EP-2023-227 ; LHCb-DP-2023-002
Title Helium identification with LHCb
Author(s)

Aaij, Roel (Nikhef, Amsterdam) ; Abdelmotteleb, Ahmed Sameh Wagih (Warwick U.) ; Abellan Beteta, Carlos (Zurich U.) ; Abudinén, Fernando Jesus (Warwick U.) ; Ackernley, Thomas (Liverpool U.) ; Adeva, Bernardo (U. Santiago de Compostela (main)) ; Adinolfi, Marco (Bristol U.) ; Adlarson, Patrik Harri (Uppsala U.) ; Agapopoulou, Christina (CERN) ; Aidala, Christine Angela (U. Michigan, Ann Arbor) ; Ajaltouni, Ziad (Clermont-Ferrand U.) ; Akar, Simon (Cincinnati U.) ; Akiba, Kazuyoshi (Nikhef, Amsterdam) ; Albicocco, Pietro (Frascati) ; Albrecht, Johannes (Tech. U., Dortmund (main)) ; Alessio, Federico (CERN) ; Alexander, Michael (Glasgow U.) ; Alfonso Albero, Alejandro (U. Barcelona (main)) ; Aliouche, Zakariya (Manchester U.) ; Alvarez Cartelle, Paula (Cambridge U.) ; Amalric, Renaud (Paris U., VI-VII) ; Amato, Sandra (Rio de Janeiro Federal U.) ; Amey, Jake Lewis (Bristol U.) ; Amhis, Yasmine (IJCLab, Orsay ; CERN) ; An, Liupan (Peking U., SKLNPT) ; Anderlini, Lucio (INFN, Florence) ; Andersson, Martin (Zurich U.) ; Andreianov, Aleksei (Unlisted) ; Andreola, Pasquale (Zurich U.) ; Andreotti, Mirco (INFN, Ferrara) ; Andreou, Dimitra (Syracuse U.) ; Anelli, Alessia (INFN, Milan Bicocca ; Milan Bicocca U.) ; Ao, Dong (Beijing, GUCAS) ; Archilli, Flavio (Rome U., Tor Vergata) ; Argenton, Matteo (INFN, Ferrara) ; Arguedas Cuendis, Sergio (Costa Rica U.) ; Artamonov, Alexander (Unlisted) ; Artuso, Marina (Syracuse U.) ; Aslanides, Elie (Marseille, CPPM) ; Atzeni, Michele (MIT) ; Audurier, Benjamin (Ecole Polytechnique) ; Bacher, David (Oxford U.) ; Bachiller Perea, Irene (Annecy, LAPP) ; Bachmann, Sebastian (Heidelberg U.) ; Bachmayer, Marie (Ecole Polytechnique, Lausanne) ; Back, John (Warwick U.) ; Bailly-reyre, A. (LPNHE, Paris) ; Baladron Rodriguez, Pablo (U. Santiago de Compostela (main)) ; Balagura, Vladislav (Ecole Polytechnique) ; Baldini, Wander (INFN, Ferrara) ; Baptista de Souza Leite, Juan (Rio de Janeiro, CBPF) ; Barbetti, Matteo (INFN, Florence ; Florence U.) ; Barbosa, Ivanildo Rui (Rio de Janeiro, Pont. U. Catol.) ; Barlow, Roger (Manchester U.) ; Barsuk, Sergey (IJCLab, Orsay) ; Barter, William (Edinburgh U.) ; Bartolini, Matteo (Cambridge U.) ; Bartz, Justin (Syracuse U.) ; Baryshnikov, Fedor (Unlisted) ; Basels, Jan-Marc (Aachen, Tech. Hochsch.) ; Bassi, Giovanni (INFN, Pisa ; Pisa, Scuola Normale Superiore) ; Batsukh, Baasansuren (Beijing, Inst. High Energy Phys.) ; Battig, Alexander (Tech. U., Dortmund (main)) ; Bay, Aurelio (Ecole Polytechnique, Lausanne) ; Beck, Anja (Warwick U.) ; Becker, Maik (Tech. U., Dortmund (main)) ; Bedeschi, Franco (INFN, Pisa) ; Bediaga, Ignacio (Rio de Janeiro, CBPF) ; Beiter, Andrew (Syracuse U.) ; Belin, Samuel (U. Santiago de Compostela (main)) ; Bellee, Violaine (Zurich U.) ; Belous, Konstantin (Unlisted) ; Belov, Ilia (INFN, Genoa) ; Belyaev, Ivan (Unlisted) ; Benane, Gaya (Marseille, CPPM) ; Bencivenni, Giovanni (Frascati) ; Ben-Haim, Eli (Paris U., VI-VII) ; Berezhnoy, Alexander (Unlisted) ; Bernet, Roland (Zurich U.) ; Bernet Andres, Sergi (Ramon Llull U., Barcelona) ; Bernstein, H.C. (Syracuse U. (main)) ; Bertella, Claudia (Manchester U.) ; Bertolin, Alessandro (INFN, Padua) ; Betancourt, Christopher (Zurich U.) ; Betti, Federico (Edinburgh U.) ; Bex, Josh (Cambridge U.) ; Bezshyiko, Iaroslava (Zurich U.) ; Bezshyiko, Ia. (Zurich U.) ; Bhom, Jihyun (Cracow, INP) ; Bieker, Martin Stefan (Tech. U., Dortmund (main)) ; Biesuz, Nicolo Vladi (INFN, Ferrara) ; Billoir, Pierre (Paris U., VI-VII) ; Biolchini, Alice (Nikhef, Amsterdam) ; Birch, Matthew (Imperial Coll., London) ; Bishop, Fionn Caitlin Ros (Annecy, LAPP) ; Bitadze, Alexander (Manchester U.) ; Bizzeti, Andrea (Cambridge U.) ; Blago, Michele Piero (Cambridge U.) ; Blake, Thomas (Warwick U.) ; Blanc, Frederic (Ecole Polytechnique, Lausanne) ; Blank, Jonah Evan (Tech. U., Dortmund (main)) ; Blusk, Steven (Syracuse U.) ; Bobulska, Dana (Glasgow U.) ; Bocharnikov, Vladimir (Unlisted) ; Boelhauve, Julian Alexander (Tech. U., Dortmund (main)) ; Boente Garcia, Oscar (Ecole Polytechnique) ; Boettcher, Thomas (Cincinnati U.) ; Bohare, Abhishek (Edinburgh U.) ; Boldyrev, Alexey (Unlisted) ; Bolognani, Carolina (Maastricht U.) ; Bolzonella, Riccardo (INFN, Ferrara ; Ferrara U.) ; Bondar, Nikolay (Unlisted) ; Borgato, Federica (INFN, Padua ; CERN) ; Borghi, Silvia (Manchester U.) ; Borsato, Martino (INFN, Milan Bicocca ; Milan Bicocca U.) ; Borsuk, Jozef Tomasz (Cracow, INP) ; Bouchiba, Sonia Amina (Ecole Polytechnique, Lausanne) ; Bowcock, Themistocles (Liverpool U.) ; Boyer, Alexandre (CERN) ; Bozzi, Concezio (INFN, Ferrara) ; Bradley, Matthew John (Imperial Coll., London) ; Braun, S. (Maryland U.) ; Brea Rodriguez, Alexandre (U. Santiago de Compostela (main)) ; Breer, Nils (Tech. U., Dortmund (main)) ; Brodzicka, Jolanta (Cracow, INP) ; Brossa Gonzalo, Arnau (U. Santiago de Compostela (main)) ; Brown, James David (Liverpool U.) ; Brundu, Davide (INFN, Cagliari) ; Buonaura, Annarita (Zurich U.) ; Buonincontri, Laura (INFN, Padua) ; Burke, Aodhan Tomas (Manchester U.) ; Burr, Christopher (CERN) ; Bursche, Albert (South China Normal U.) ; Butkevich, Anatoly (Unlisted) ; Butter, Jordy Sebastiaan (Cambridge U.) ; Buytaert, Jan (CERN) ; Byczynski, Wiktor (CERN) ; Cadeddu, Sandro (INFN, Cagliari) ; Cai, Hao (Wuhan U.) ; Calabrese, Roberto (INFN, Ferrara ; Ferrara U.) ; Calefice, Lukas (Tech. U., Dortmund (main)) ; Cali, Stefano (Frascati) ; Calvi, Marta (INFN, Milan Bicocca ; Milan Bicocca U.) ; Calvo Gomez, Miriam (Ramon Llull U., Barcelona) ; Cambon Bouzas, Jose Ivan (U. Santiago de Compostela (main)) ; Campana, Pierluigi (Frascati) ; Campora Perez, Daniel Hugo (Maastricht U.) ; Campoverde Quezada, Angel Fernando (Beijing, GUCAS) ; Capelli, Simone (INFN, Milan Bicocca ; Milan Bicocca U.) ; Capriotti, Lorenzo (INFN, Ferrara) ; Caravaca-Mora, Ronald Gerardo (Costa Rica U.) ; Carbone, Angelo (INFN, Bologna ; Bologna U.) ; Carcedo Salgado, Lidia (U. Santiago de Compostela (main)) ; Cardinale, Roberta (INFN, Genoa ; Genoa U.) ; Cardini, Alessandro (INFN, Cagliari) ; Carniti, Paolo (INFN, Milan Bicocca ; Milan Bicocca U.) ; Carus, Leon David (Heidelberg U.) ; Casais Vidal, Adrian (MIT) ; Caspary, Rowina (Heidelberg U.) ; Casse, Gianluigi (Liverpool U.) ; Castro Godinez, Jorge (Costa Rica U.) ; Cattaneo, Marco (CERN) ; Cavallero, Giovanni (INFN, Ferrara) ; Cavallini, Viola (INFN, Ferrara ; Ferrara U.) ; Celani, Sara (Heidelberg U.) ; Cerasoli, Jacopo (Marseille, CPPM) ; Cervenkov, Daniel (Oxford U.) ; Cesare, Sara (INFN, Milan ; U. Milan (main)) ; Chadwick, Abbie Jane (Liverpool U.) ; Chahrour, Ibrahim (U. Michigan, Ann Arbor) ; Charles, Matthew (Paris U., VI-VII) ; Charpentier, Philippe (CERN) ; Charpentier, Ph. (CERN) ; Chavez Barajas, Carlos Alberto (Liverpool U.) ; Chefdeville, Maximilien (Annecy, LAPP) ; Chen, Chen (Marseille, CPPM) ; Chen, Shanzhen (Beijing, Inst. High Energy Phys.) ; Chen, Zewen (Beijing, GUCAS) ; Chernov, Aleksei (Cracow, INP) ; Chernyshenko, Serhii (Kiev, INR) ; Chobanova, Veronika (U. Santiago de Compostela (main)) ; Cholak, Serhii (Ecole Polytechnique, Lausanne) ; Chrzaszcz, Marcin (Cracow, INP) ; Chubykin, Aleksei (Unlisted) ; Chulikov, Vladimir (Unlisted) ; Ciambrone, Paolo (Frascati) ; Cicala, Maria Flavia (Warwick U.) ; Cid Vidal, Xabier (U. Santiago de Compostela (main)) ; Ciezarek, Gregory (CERN) ; Cifra, Pierfrancesco (CERN) ; Clarke, P.E.L. (Edinburgh U.) ; Clemencic, Marco (CERN) ; Cliff, Harry (Cambridge U.) ; Closier, Joel (CERN) ; Cobbledick, John Leslie (Manchester U.) ; Cocha Toapaxi, Carlos Eduardo (Heidelberg U.) ; Coco, Victor (CERN) ; Cogan, Julien (Marseille, CPPM) ; Cogneras, Eric (Clermont-Ferrand U.) ; Cojocariu, Lucian (Bucharest, IFIN-HH) ; Collins, Paula (CERN) ; Colombo, Tommaso (CERN) ; Comerma-Montells, Albert (U. Barcelona (main)) ; Congedo, Liliana (INFN, Bari) ; Contu, Andrea (INFN, Cagliari) ; Cooke, Naomi (Glasgow U.) ; Corredoira, Imanol (U. Santiago de Compostela (main)) ; Correia, Anthony (Paris U., VI-VII) ; Corti, Gloria (CERN) ; Cottee Meldrum, Josephine Jane (Bristol U.) ; Couturier, Benjamin (CERN) ; Craik, Daniel Charles (Zurich U.) ; Cruz Torres, Melissa Maria (Rio de Janeiro, CBPF) ; Curras Rivera, Esteban (Ecole Polytechnique, Lausanne) ; Currie, Robert (Edinburgh U.) ; Da Silva, Cesar Luiz (Los Alamos) ; Dadabaev, Shakhzod (Unlisted) ; Dai, Lingyun (Hunan U.) ; Dai, Xinchen (Peking U., SKLNPT) ; Dall'Occo, Elena (Tech. U., Dortmund (main)) ; Dalseno, Jeremy (U. Santiago de Compostela (main)) ; D'Ambrosio, Carmelo (CERN) ; Daniel, Jessy (Clermont-Ferrand U.) ; Danilina, Anna (Unlisted) ; d'Argent, Philippe (INFN, Bari) ; Davidson, Alexander (Warwick U.) ; Davies, Jonathan Edward (Manchester U.) ; Davis, Adam (Manchester U.) ; De Aguiar Francisco, Oscar (Manchester U.) ; De Angelis, Camilla (INFN, Cagliari ; Cagliari U.) ; de Boer, Jan (Nikhef, Amsterdam) ; De Bruyn, Kristof (U. Groningen, VSI) ; De Capua, Stefano (Manchester U.) ; De Cian, Michel (Heidelberg U. ; CERN) ; De Freitas Carneiro Da Graca, Ulisses (Rio de Janeiro, CBPF) ; De Lucia, Erika (Frascati) ; De Miranda, Jussara (Rio de Janeiro, CBPF) ; De Paula, Leandro (Rio de Janeiro Federal U.) ; De Serio, Marilisa (INFN, Bari ; Bari U.) ; De Simone, Dario (Zurich U.) ; De Simone, Patrizia (Frascati) ; De Vellis, Fabio (Tech. U., Dortmund (main)) ; de Vries, Jacco (Maastricht U.) ; Debernardis, Francesco (INFN, Bari ; Bari U.) ; Decamp, Daniel (Annecy, LAPP) ; Dedu, Vlad-George (Marseille, CPPM) ; Del Buono, Luigi (Paris U., VI-VII) ; Delaney, Blaise (MIT) ; Dembinski, Hans Peter (Tech. U., Dortmund (main)) ; Deng, Jianqiao (CCNU, Wuhan, Inst. Part. Phys.) ; Denysenko, Vadym (Zurich U.) ; Deschamps, Olivier (Clermont-Ferrand U.) ; Dettori, Francesco (INFN, Cagliari ; Cagliari U.) ; Dey, Biplab (Eotvos U., Dept. Atomic Phys.) ; Di Nezza, Pasquale (Frascati) ; Diachkov, Igor (Unlisted) ; Didenko, Sergey (Unlisted) ; Ding, Shuchong (Syracuse U.) ; Dobishuk, Vasyl (Kiev, INR) ; Docheva, Aleksandrina (Glasgow U.) ; Dolmatov, Aleksandr (Unlisted) ; Dong, Chenzhi (Tsinghua U., Beijing, CHEP) ; Donohoe, Amanda May (University Coll., Dublin) ; Dordei, Francesca (INFN, Cagliari) ; dos Reis, Alberto (Rio de Janeiro, CBPF) ; Douglas, Lauren (Glasgow U.) ; Downes, Anthony Gavin (Annecy, LAPP) ; Duan, Weisong (South China Normal U.) ; Duda, Piotr Jakub (Cracow Tech. U.) ; Dudek, Maciej Wojciech (Cracow, INP) ; Dufour, Laurent (CERN) ; Duk, Viacheslav (INFN, Perugia) ; Durante, Paolo (CERN) ; Duras, Maciej (Cracow Tech. U.) ; Durham, John Matthew (Los Alamos) ; Dziurda, Agnieszka (Cracow, INP) ; Dzyuba, Alexey (Unlisted) ; Easo, Sajan (Rutherford ; CERN) ; Eckstein, Ellinor (Bonn U., HISKP) ; Egede, Ulrik (Monash U.) ; Egorychev, Artem (Unlisted) ; Egorychev, Victor (Unlisted) ; Eirea Orro, Caetano (U. Santiago de Compostela (main)) ; Eisenhardt, Stephan (Edinburgh U.) ; Ejopu, Enoch (Manchester U.) ; Ek-In, Surapat (Ecole Polytechnique, Lausanne) ; Eklund, Lars (Uppsala U.) ; Elashri, Mohamed (Cincinnati U.) ; Ellbracht, Jan Hendrik (Tech. U., Dortmund (main)) ; Ely, Scott (Imperial Coll., London) ; Ene, Alexandru (Bucharest, IFIN-HH) ; Epple, Eliane (Cincinnati U.) ; Escher, Stephan (Aachen, Tech. Hochsch.) ; Eschle, Jonas Nathanael (Zurich U.) ; Esen, Sevda (Heidelberg U.) ; Evans, Timothy (Manchester U.) ; Fabiano, Federica (INFN, Cagliari ; CERN ; Cagliari U.) ; Falcao, Lucas (Rio de Janeiro, CBPF) ; Fan, Yanting (Beijing, GUCAS) ; Fang, Bo (Wuhan U. ; IJCLab, Orsay) ; Fantini, Lisa (INFN, Perugia) ; Faria, Maria (Ecole Polytechnique, Lausanne) ; Farmer, Keira Gwyn (Edinburgh U.) ; Fazzini, Davide (INFN, Milan Bicocca ; Milan Bicocca U.) ; Felkowski, Lukasz Jerzy (Cracow Tech. U.) ; Feng, Mingjie (Beijing, Inst. High Energy Phys. ; Beijing, GUCAS) ; Feo, Mauricio (CERN) ; Fernandez Gomez, Miguel (U. Santiago de Compostela (main)) ; Fernez, Alex Daniel (Maryland U., College Park) ; Ferrari, Fabio (INFN, Bologna) ; Ferreira Rodrigues, Fernando (Rio de Janeiro Federal U.) ; Ferreres Sole, Silvia (Nikhef, Amsterdam) ; Ferrillo, Martina (Zurich U.) ; Ferro-Luzzi, Massimiliano (CERN) ; Filippov, Sergey (Unlisted) ; Fini, Rosa Anna (INFN, Bari) ; Fiorini, Massimiliano (INFN, Ferrara ; Ferrara U.) ; Fischer, Kamil Leszek (Oxford U.) ; Firlej, M. (AGH-UST, Cracow) ; Fischer, K.M. (Oxford U.) ; Fitzgerald, Dillon Scott (U. Michigan, Ann Arbor) ; Fitzpatrick, Conor (Manchester U.) ; Fiutowski, T. (AGH-UST, Cracow) ; Fleuret, Frederic (Ecole Polytechnique) ; Fontana, Marianna (INFN, Bologna) ; Foreman, Lucas Arthur (Manchester U.) ; Fontanelli, F. (INFN, Genoa) ; Foreman, L.F. (Manchester U.) ; Forty, Roger (CERN) ; Foulds-Holt, Daniel (Cambridge U.) ; Franco Sevilla, Manuel (Maryland U., College Park) ; Frank, Markus (CERN) ; Franzoso, Edoardo (INFN, Ferrara ; Ferrara U.) ; Frau, Giulia (Heidelberg U.) ; Frei, Christoph (CERN) ; Friday, David Anthony (Manchester U.) ; Frontini, Luca (INFN, Milan ; U. Milan (main)) ; Fu, Jinlin (Beijing, GUCAS) ; Fuehring, Quentin (Tech. U., Dortmund (main)) ; Fujii, Yuki (Monash U.) ; Fulghesu, Tommaso (Paris U., VI-VII) ; Gabriel, Emmy (Nikhef, Amsterdam) ; Galati, Giuliana (INFN, Bari ; Bari U.) ; Galati, Maria Domenica (Nikhef, Amsterdam) ; Gallas Torreira, Abraham (U. Santiago de Compostela (main)) ; Galli, Domenico (INFN, Bologna ; Bologna U.) ; Gambetta, Silvia (Edinburgh U.) ; Gandelman, Miriam (Rio de Janeiro Federal U.) ; Gandini, Paolo (INFN, Milan) ; Gao, Han (Beijing, GUCAS) ; Gao, Rui (Oxford U.) ; Gao, Yang (CCNU, Wuhan, Inst. Part. Phys.) ; Gao, Yuanning (Peking U., SKLNPT) ; Gao, Yuxi (CCNU, Wuhan, Inst. Part. Phys.) ; Garau, Michela (INFN, Cagliari ; Cagliari U.) ; Garcia Martin, Luis Miguel (Ecole Polytechnique, Lausanne) ; Garcia Moreno, Paula (U. Barcelona (main)) ; García Pardiñas, Julián (CERN) ; Garcia Plana, Beatriz (U. Santiago de Compostela (main)) ; Garg, Kunal (CCNU, Wuhan, Inst. Part. Phys.) ; Garrido, Lluis (U. Barcelona (main)) ; Gaspar, Clara (CERN) ; Geertsema, Robbert Erik (Nikhef, Amsterdam) ; Gerken, Louis Lenard (Tech. U., Dortmund (main)) ; Gersabeck, Evelina (Manchester U.) ; Gersabeck, Marco (Manchester U.) ; Gershon, Timothy (Warwick U.) ; Ghorbanimoghaddam, Zahra (Bristol U.) ; Giambastiani, Luca (INFN, Padua) ; Giasemis, Fotis Ioannis (Paris U., VI-VII) ; Gibson, Valerie (Cambridge U.) ; Giemza, Henryk Karol (NCBJ, Swierk) ; Gilman, Alexander Leon (Oxford U.) ; Giovannetti, Matteo (Frascati) ; Gioventù, Alessandra (U. Barcelona (main)) ; Gironella Gironell, Pere (U. Barcelona (main)) ; Giugliano, Carmen (INFN, Ferrara ; Ferrara U.) ; Giza, Maciej Artur (Cracow, INP) ; Gkougkousis, Evangelos Leonidas (Imperial Coll., London) ; Glaser, Fabian Christoph (IJCLab, Orsay ; Heidelberg U.) ; Gligorov, Vladimir (Paris U., VI-VII) ; Göbel, Carla (Rio de Janeiro, Pont. U. Catol.) ; Golobardes, Elisabet (Ramon Llull U., Barcelona) ; Golubkov, Dmitry (Unlisted) ; Golutvin, Andrey (Imperial Coll., London ; CERN) ; Gomes, Alvaro (Rio de Janeiro, CBPF) ; Gomez Fernandez, Sergio (U. Barcelona (main)) ; Goncalves Abrantes, Fernanda (Oxford U.) ; Goncerz, Mateusz (Cracow, INP) ; Gong, Guanghua (Tsinghua U., Beijing, CHEP) ; Gooding, James Andrew (Tech. U., Dortmund (main)) ; Gorelov, Igor Vladimirovich (Unlisted) ; Gotti, Claudio (INFN, Milan Bicocca) ; Grabowski, Jascha Peter (Bonn U., HISKP) ; Granado Cardoso, Luis Alberto (CERN) ; Graugés, Eugeni (U. Barcelona (main)) ; Graverini, Elena (Ecole Polytechnique, Lausanne ; U. Pisa (main)) ; Grazette, Luke (Warwick U.) ; Graziani, Giacomo (Bucharest U.) ; Grecu, Alexandru Tudor (Bucharest, IFIN-HH) ; Greeven, Lex Marinus (Nikhef, Amsterdam) ; Grieser, Nathan Allen (Cincinnati U.) ; Grillo, Lucia (Glasgow U.) ; Gromov, Sergey (Unlisted) ; Gu, Chenxi (Ecole Polytechnique) ; Guarise, Marco (INFN, Ferrara) ; Guittiere, Manuel (IJCLab, Orsay) ; Guliaeva, Vasilisa (Unlisted) ; Günther, Paul Andre (Heidelberg U.) ; Guseinov, Abdul-Kerim (Unlisted) ; Gushchin, Evgeny (Unlisted) ; Guz, Yury (Peking U., SKLNPT ; CERN) ; Gys, Thierry (CERN) ; Hadavizadeh, Thomas (Monash U.) ; Hadjivasiliou, Christos (Maryland U., College Park) ; Haefeli, Guido (Ecole Polytechnique, Lausanne) ; Haen, Christophe (CERN) ; Haimberger, Jakob (CERN) ; Hajheidari, Mohammadtaghi (CERN) ; Halewood-leagas, T. (Liverpool U.) ; Halvorsen, Marius Maehlum (CERN) ; Hamilton, Phoebe Meredith (Maryland U., College Park) ; Hammerich, Jan (Liverpool U.) ; Han, Qundong (CCNU, Wuhan, Inst. Part. Phys.) ; Han, Xiaoxue (Heidelberg U.) ; Hansmann-Menzemer, Stephanie (Heidelberg U.) ; Hao, Lei (Beijing, GUCAS) ; Harnew, Neville (Oxford U.) ; Harrison, Thomas (Liverpool U.) ; Hartmann, Marie (IJCLab, Orsay) ; Hasse, C. (CERN) ; He, Jibo (Beijing, GUCAS) ; Heijhoff, Kevin (Nikhef, Amsterdam) ; Hemmer, Frederic (CERN) ; Henderson, Conor (Cincinnati U.) ; Henderson, Riley Dylan Leslie (Monash U. ; Warwick U.) ; Hennequin, Arthur Marius (CERN) ; Hennessy, Karol (Liverpool U.) ; Henry, Louis (Ecole Polytechnique, Lausanne) ; Herd, James Daniel (Imperial Coll., London) ; Herrero Gascon, Paula (Heidelberg U.) ; Heuel, Johannes (Aachen, Tech. Hochsch.) ; Hicheur, Adlène (Rio de Janeiro Federal U.) ; Hijano Mendizabal, Guillermo (Zurich U.) ; Hill, Donal (Ecole Polytechnique, Lausanne) ; Hollitt, Sophie (Tech. U., Dortmund (main)) ; Horswill, Joshua Ethan (Manchester U.) ; Hou, Ruiwen (CCNU, Wuhan, Inst. Part. Phys.) ; Hou, Yingrui (Annecy, LAPP) ; Howarth, Ned Francis (Liverpool U.) ; Hu, Jiangqiao (Heidelberg U.) ; Hu, Jifeng (South China Normal U.) ; Hu, Wenhua (Peking U., SKLNPT) ; Hu, Xiaofan (Tsinghua U., Beijing, CHEP) ; Huang, Wenqian (Beijing, GUCAS) ; Hulsbergen, Wouter (Nikhef, Amsterdam) ; Hunter, Ross John (Warwick U.) ; Hushchyn, Mikhail (Unlisted) ; Hutchcroft, David (Liverpool U.) ; Idzik, M. (AGH-UST, Cracow) ; Ilin, Dmitrii (Unlisted) ; Ilten, Philip (Cincinnati U.) ; Inglessi, Alexander (Unlisted) ; Iniukhin, Aleksandr (Unlisted) ; Ishteev, Artur (Unlisted) ; Ivshin, Kuzma (Unlisted) ; Jacobsson, Richard (CERN) ; Jage, Hendrik (Aachen, Tech. Hochsch.) ; Jaimes Elles, Sergio Javier (Valencia U., IFIC ; Colombia, U. Natl.) ; Jakobsen, Sune (CERN) ; Jans, Eddy (Nikhef, Amsterdam) ; Jashal, Brij Kishor (Valencia U., IFIC) ; Jawahery, Abolhassan (Maryland U., College Park ; CERN) ; Jevtic, Vukan (Tech. U., Dortmund (main)) ; Jiang, Emily Kaiyin (Maryland U., College Park) ; Jiang, Xiaojie (Beijing, Inst. High Energy Phys. ; Beijing, GUCAS) ; Jiang, Yi (Beijing, GUCAS) ; Jiang, Yuyang (Peking U., SKLNPT) ; John, Malcolm (Oxford U.) ; Johnson, Daniel (Birmingham U.) ; Jones, Christopher (Cambridge U.) ; Jones, Thomas Peter (Warwick U.) ; Joshi, Salil (NCBJ, Swierk) ; Jost, Beat (CERN) ; Jurik, Nathan (CERN) ; Juszczak, Izabela (Cracow, INP) ; Kaminaris, Dimitrios (Ecole Polytechnique, Lausanne) ; Kandybei, Sergii (Kharkov, KIPT) ; Kang, Youen (Tsinghua U., Beijing, CHEP) ; Karacson, Matthias (CERN) ; Karpenkov, Dmitrii (Unlisted) ; Karpov, Maksim (Unlisted) ; Kauniskangas, Anni Matilda (Ecole Polytechnique, Lausanne) ; Kautz, Jacob William (Cincinnati U.) ; Keizer, Floris (CERN) ; Keller, Dustin Michael (Syracuse U.) ; Kenzie, Matthew (Cambridge U.) ; Ketel, Tjeerd (Nikhef, Amsterdam) ; Khanji, Basem (Syracuse U.) ; Kharisova, Anastasiia (Unlisted) ; Kholodenko, Sergei (INFN, Pisa) ; Khreich, Gaelle (IJCLab, Orsay) ; Kirn, Thomas (Aachen, Tech. Hochsch.) ; Kirsebom, Veronica Soelund (Ecole Polytechnique, Lausanne) ; Kitouni, Ouail (MIT) ; Klaver, Suzanne (NIKHEF, Amsterdam + Vrije U., Amsterdam) ; Kleijne, Nico (INFN, Pisa ; Pisa, Scuola Normale Superiore) ; Klimaszewski, Konrad (NCBJ, Swierk) ; Kmiec, Mateusz Rafal (NCBJ, Swierk) ; Koliiev, Serhii (Kiev, INR) ; Kolk, Lars (Tech. U., Dortmund (main)) ; Konoplyannikov, Anatoly (Unlisted) ; Kopciewicz, Pawel (AGH-UST, Cracow ; CERN) ; Koppenburg, Patrick (Nikhef, Amsterdam) ; Korolev, Mikhail (Unlisted) ; Kostiuk, Igor (Nikhef, Amsterdam) ; Kot, Oleksander (Kiev, INR) ; Kotriakhova, Sofia (Unlisted) ; Kozachuk, Anastasiia (Unlisted) ; Kravchenko, Polina (Unlisted) ; Kravchuk, Leonid (Unlisted) ; Kreps, Michal (Warwick U.) ; Kretzschmar, Sophie Katharina (Aachen, Tech. Hochsch.) ; Krokovny, Pavel (Unlisted) ; Krupa, Wojciech (Syracuse U.) ; Krzemien, Wojciech (NCBJ, Swierk) ; Kubat, Jakub (Heidelberg U.) ; Kubis, Sebastian Antoni (Cracow Tech. U.) ; Kucewicz, Wojciech (Cracow, INP) ; Kucharczyk, Marcin (Cracow, INP) ; Kudryavtsev, Vasily (Unlisted) ; Kulikova, Evgenia (Unlisted) ; Kupsc, Andrzej (Uppsala U.) ; Kutsenko, Bogdan (Marseille, CPPM) ; Lacarrere, Daniel (CERN) ; Lai, Adriano (INFN, Cagliari) ; Lampis, Andrea (INFN, Cagliari) ; Lancierini, Davide (Zurich U.) ; Landesa Gomez, Clara (U. Santiago de Compostela (main)) ; Lane, John Jake (Monash U.) ; Lane, Richard (Bristol U.) ; Langenbruch, Christoph (Heidelberg U.) ; Langer, Jan (Tech. U., Dortmund (main)) ; Lantwin, Oliver (Unlisted) ; Latham, Thomas (Warwick U.) ; Lazzari, Federico (INFN, Pisa ; U. Pisa (main)) ; Lazzeroni, Cristina (Birmingham U.) ; Le Gac, Renaud (Marseille, CPPM) ; Lee, Sook Hyun (U. Michigan, Ann Arbor) ; Lefèvre, Regis (Clermont-Ferrand U.) ; Leflat, Alexander (Unlisted) ; Legotin, Sergey (Unlisted) ; Lehuraux, Marion (Warwick U.) ; Leroy, Olivier (Marseille, CPPM) ; Lesiak, Tadeusz (Cracow, INP) ; Leverington, Blake (Heidelberg U.) ; Li, Anfeng (Tsinghua U., Beijing, CHEP) ; Li, Hengne (South China Normal U.) ; Li, Kechen (CCNU, Wuhan, Inst. Part. Phys.) ; Li, Lanxing (Manchester U.) ; Li, Peilian (CERN) ; Li, Pei-Rong (Lanzhou U.) ; Li, Shiyang (CCNU, Wuhan, Inst. Part. Phys.) ; Li, Tiange (Beijing, Inst. High Energy Phys. ; Henan U.) ; Li, Tianqi (South China Normal U.) ; Li, Yanru (CCNU, Wuhan, Inst. Part. Phys.) ; Li, Yiming (Beijing, Inst. High Energy Phys.) ; Li, Zhuoming (Syracuse U.) ; Lian, Zhengchen (Tsinghua U., Beijing, CHEP) ; Liang, Xixin (Syracuse U.) ; Lin, Chuangxin (Beijing, GUCAS) ; Lin, Tai-hua (Rutherford) ; Lindner, Rolf (CERN) ; Lisovskyi, Vitalii (Ecole Polytechnique, Lausanne) ; Litvinov, Roman (INFN, Cagliari ; Cagliari U.) ; Liu, Frank Xiangyu (Monash U.) ; Liu, Guoming (South China Normal U.) ; Liu, H. (Beijing, Inst. High Energy Phys.) ; Liu, Kai (Lanzhou U.) ; Liu, Qian (Beijing, GUCAS) ; Liu, Shuaiyi (Beijing, Inst. High Energy Phys. ; Beijing, GUCAS) ; Liu, Yiming (Edinburgh U.) ; Liu, Ying (Lanzhou U.) ; Liu, Yiwei (Imperial Coll., London) ; Lobo Salvia, Aniol (U. Barcelona (main)) ; Loi, Angelo (INFN, Cagliari) ; Lomba Castro, Julian (U. Santiago de Compostela (main)) ; Long, Thomas (Cambridge U.) ; Lopes, Jose (Rio de Janeiro Federal U.) ; Lopez Huertas, Albert (U. Barcelona (main)) ; López Soliño, Saúl (U. Santiago de Compostela (main)) ; Lovell, George Holger (Cambridge U.) ; Lucarelli, Chiara (INFN, Florence ; Florence U.) ; Lucchesi, Donatella (INFN, Padua ; U. Padua (main)) ; Luchuk, Stanislav (Unlisted) ; Lucio Martinez, Miriam (Maastricht U.) ; Lukashenko, Valeriia (Nikhef, Amsterdam ; Kiev, INR) ; Luo, Yiheng (Tsinghua U., Beijing, CHEP) ; Lupato, Anna (INFN, Padua) ; Luppi, Eleonora (INFN, Ferrara ; Ferrara U.) ; Lynch, Kate (University Coll., Dublin) ; Lyu, Xiao-Rui (Beijing, GUCAS) ; Ma, G.M. (Tsinghua U., Beijing, CHEP) ; Ma, Ruiting (Beijing, GUCAS) ; Maccolini, Serena (Tech. U., Dortmund (main)) ; Machefert, Frederic (IJCLab, Orsay) ; Maciuc, Florin (Bucharest, IFIN-HH) ; Mack, Bridget (Syracuse U.) ; Mackay, Innes (Oxford U.) ; Mackey, Lauren Grace (Syracuse U.) ; Madhan Mohan, Lakshan Ram (Cambridge U.) ; Madurai, Marcus Jonathan (Birmingham U.) ; Madurai, M.M. (Birmingham U.) ; Maevskiy, Artem (Unlisted) ; Magdalinski, Daniel (Nikhef, Amsterdam) ; Maisuzenko, Dmitrii (Unlisted) ; Majewski, Maciej Witold (AGH-UST, Cracow) ; Malczewski, Jakub Jacek (Cracow, INP) ; Malde, Sneha (Oxford U.) ; Malecki, Bartosz (Cracow, INP ; CERN) ; Malentacca, Lorenzo (CERN) ; Malinin, Alexander (Unlisted) ; Maltsev, Timofei (Unlisted) ; Manca, Giulia (INFN, Cagliari ; Cagliari U.) ; Mancinelli, Giampiero (Marseille, CPPM) ; Mancuso, Chiara (INFN, Milan ; IJCLab, Orsay ; U. Milan (main)) ; Manera Escalero, Rafel (U. Barcelona (main)) ; Manuzzi, Daniele (INFN, Bologna) ; Marangotto, Daniele (INFN, Milan ; U. Milan (main)) ; Marchand, Jean François (Annecy, LAPP) ; Marchevski, Radoslav (Ecole Polytechnique, Lausanne) ; Marconi, Umberto (INFN, Bologna) ; Mariani, Saverio (CERN) ; Marin Benito, Carla (U. Barcelona (main)) ; Marks, Jörg (Heidelberg U.) ; Marshall, Alexander Mclean (Bristol U.) ; Marshall, Phillip John (Liverpool U.) ; Martelli, Gabriele (INFN, Perugia) ; Martellotti, Giuseppe (INFN, Rome) ; Martinazzoli, Loris (CERN) ; Martinelli, Maurizio (INFN, Milan Bicocca ; Milan Bicocca U.) ; Martinez Santos, Diego (U. Santiago de Compostela (main)) ; Martinez Vidal, Fernando (Valencia U., IFIC) ; Massafferri, André (Rio de Janeiro, CBPF) ; Materok, Marcel (Aachen, Tech. Hochsch.) ; Matev, Rosen (CERN) ; Mathad, Abhijit (Zurich U.) ; Matiunin, Viacheslav (Unlisted) ; Matteuzzi, Clara (Syracuse U.) ; Mattioli, Kara Renee (Ecole Polytechnique) ; Mauri, Andrea (Imperial Coll., London) ; Maurice, Emilie (Ecole Polytechnique) ; Mauricio, Joan (U. Barcelona (main)) ; Mayencourt, Pierre Paul Louis (Ecole Polytechnique, Lausanne) ; Mazurek, Michal (CERN) ; McCann, Michael (Imperial Coll., London) ; Mcconnell, Lucas (University Coll., Dublin) ; McGrath, Tamaki Holly (Manchester U.) ; McHugh, Niall Thomas (Glasgow U.) ; McNab, Andrew (Manchester U.) ; McNulty, Ronan (University Coll., Dublin) ; Meadows, Brian (Cincinnati U.) ; Meier, Gerwin (Tech. U., Dortmund (main)) ; Melnychuk, Dmytro (NCBJ, Swierk) ; Merk, Marcel (Nikhef, Amsterdam ; Maastricht U.) ; Merli, Andrea (INFN, Milan ; U. Milan (main)) ; Meyer Garcia, Lucas (Rio de Janeiro Federal U.) ; Miao, Dexing (Beijing, Inst. High Energy Phys. ; Beijing, GUCAS) ; Miao, Han (Beijing, GUCAS) ; Mikhasenko, Mikhail (Bonn U., HISKP ; ORIGINS, Garching) ; Milanes, Diego Alejandro (Colombia, U. Natl.) ; Minotti, Alessandro (INFN, Milan Bicocca ; Milan Bicocca U.) ; Minucci, Elisa (Syracuse U.) ; Miralles, Tristan (Clermont-Ferrand U.) ; Mitchell, Sara Elizabeth (Edinburgh U.) ; Mitreska, Biljana (Tech. U., Dortmund (main)) ; Mitzel, Dominik Stefan (Tech. U., Dortmund (main)) ; Modak, Atanu (Rutherford) ; Mödden, Antje (Tech. U., Dortmund (main)) ; Mohammed, Rizwaan Adeeb (Oxford U.) ; Moise, Razvan-Daniel (Aachen, Tech. Hochsch.) ; Mokhnenko, Sergei (Unlisted) ; Mombächer, Titus (CERN) ; Monk, Matthew David (Warwick U. ; Monash U.) ; Monroy, Igancio Alberto (Colombia, U. Natl.) ; Monteil, Stephane (Clermont-Ferrand U.) ; Morcillo Gomez, Angel (U. Santiago de Compostela (main)) ; Morello, Gianfranco (Frascati) ; Morello, Michael Joseph (INFN, Pisa ; Pisa, Scuola Normale Superiore) ; Morgenthaler, Maurice Pierre (Heidelberg U.) ; Moron, J. (AGH-UST, Cracow) ; Morris, Adam Benjamin (CERN) ; Morris, Andrew George (Marseille, CPPM) ; Mountain, Raymond (Syracuse U.) ; Mu, Hongjie (Tsinghua U., Beijing, CHEP) ; Mu, Zeqing (Peking U., SKLNPT) ; Muhammad, Emir (Warwick U.) ; Muheim, Franz (Edinburgh U.) ; Mulder, Mick (U. Groningen, VSI) ; Müller, Katharina (Zurich U.) ; Mũnoz-Rojas, Federico (Costa Rica U.) ; Murta, Rebecca (Imperial Coll., London) ; Naik, Paras (Liverpool U.) ; Nakada, Tatsuya (Ecole Polytechnique, Lausanne) ; Nandakumar, Raja (Rutherford) ; Nanut, Tara (CERN) ; Nasteva, Irina (Rio de Janeiro Federal U.) ; Needham, Matthew (Edinburgh U.) ; Neri, Nicola (INFN, Milan ; U. Milan (main)) ; Neubert, Sebastian (Bonn U., HISKP) ; Neufeld, Niko (CERN) ; Neustroev, Petr (Unlisted) ; Newcombe, Ryan (Imperial Coll., London) ; Nicolini, Janina (Tech. U., Dortmund (main) ; IJCLab, Orsay) ; Nicotra, Davide (Maastricht U.) ; Niel, Elisabeth Maria (Ecole Polytechnique, Lausanne) ; Nikitin, Nikolay (Unlisted) ; Nogga, Piet (Bonn U., HISKP) ; Nolte, Niklas Stefan (MIT) ; Normand, Camille (Annecy, LAPP ; INFN, Cagliari) ; Novoa Fernandez, Julio (U. Santiago de Compostela (main)) ; Nowak, Gabriel Matthew (Cincinnati U.) ; Nunez, Cynthia (U. Michigan, Ann Arbor) ; Nur, Havva Hasret (Glasgow U.) ; Nur, H.N. (Glasgow U.) ; Oblakowska-Mucha, Agnieszka (AGH-UST, Cracow) ; Obraztsov, Vladimir (Unlisted) ; Oeser, Thomas (Aachen, Tech. Hochsch.) ; Okamura, Shinichi (INFN, Ferrara ; CERN ; Ferrara U.) ; Oldeman, Rudolf (INFN, Cagliari ; Cagliari U.) ; Oliva, Federica (Edinburgh U.) ; Olocco, Micol (Tech. U., Dortmund (main)) ; Onderwater, C.J.G. (Maastricht U.) ; O'Neil, Ryunosuke Hugo (Edinburgh U.) ; Otalora Goicochea, Juan Martin (Rio de Janeiro Federal U.) ; Ovsiannikova, Tatiana (Unlisted) ; Owen, Patrick (Zurich U.) ; Oyanguren, Maria Aranzazu (Valencia U., IFIC) ; Ozcelik, Ozlem (Edinburgh U.) ; Padeken, Klaas Ole (Bonn U., HISKP) ; Pagare, Bhagyashree (Warwick U.) ; Pais, Preema Rennee (Heidelberg U.) ; Pajero, Tommaso (Oxford U.) ; Palano, Antimo (INFN, Bari) ; Palutan, Matteo (Frascati) ; Panshin, Gennady (Unlisted) ; Paolucci, Lorenzo (Warwick U.) ; Papanestis, Antonios (Rutherford) ; Pappagallo, Marco (INFN, Bari ; Bari U.) ; Pappalardo, Luciano (INFN, Ferrara ; Ferrara U.) ; Pappenheimer, Cheryl (Cincinnati U.) ; Parkes, Christopher (Manchester U.) ; Passalacqua, Barbara (INFN, Ferrara ; Ferrara U.) ; Passaleva, Giovanni (INFN, Florence) ; Passaro, Daniele (INFN, Pisa) ; Pastore, Alessandra (INFN, Bari) ; Patel, Mitesh (Imperial Coll., London) ; Patoc, Jairus Tristan (Oxford U.) ; Patrignani, Claudia (INFN, Bologna ; Bologna U.) ; Pawley, Christopher James (Maastricht U.) ; Pellegrino, Antonio (Nikhef, Amsterdam) ; Pepe Altarelli, Monica (Frascati) ; Perazzini, Stefano (INFN, Bologna) ; Pereima, Dmitrii (Unlisted) ; Pereiro Castro, Asier (U. Santiago de Compostela (main)) ; Perret, Pascal (Clermont-Ferrand U.) ; Perro, Alberto (CERN) ; Petridis, Konstantinos (Bristol U.) ; Petrolini, Alessandro (INFN, Genoa ; Genoa U.) ; Petrucci, Stefano (Edinburgh U.) ; Pfaller, Jacob (Cincinnati U.) ; Pham, Hang (Syracuse U.) ; Pica, Lorenzo (INFN, Pisa ; Pisa, Scuola Normale Superiore) ; Piccini, Mauro (INFN, Perugia) ; Pietrzyk, Boleslaw (Annecy, LAPP) ; Pietrzyk, Guillaume (IJCLab, Orsay) ; Pinci, Davide (INFN, Rome) ; Pisani, Flavio (CERN) ; Pizzichemi, Marco (INFN, Milan Bicocca ; Milan Bicocca U.) ; Placinta, Vlad-Mihai (Bucharest, IFIN-HH) ; Plo Casasus, Maximo (U. Santiago de Compostela (main)) ; Polci, Francesco (Paris U., VI-VII ; CERN) ; Poli Lener, Marco (Frascati) ; Poluektov, Anton (Marseille, CPPM) ; Polukhina, Natalia (Unlisted) ; Polyakov, Ivan (CERN) ; Polycarpo, Erica (Rio de Janeiro Federal U.) ; Ponce, Sebastien (CERN) ; Popov, Dmitry (Beijing, GUCAS) ; Poslavskii, Stanislav (Unlisted) ; Prasanth, Kodassery (Cracow, INP) ; Prouve, Claire (U. Santiago de Compostela (main)) ; Pugatch, Valery (Kiev, INR) ; Puill, V. (IJCLab, Orsay) ; Punzi, Giovanni (INFN, Pisa ; U. Pisa (main)) ; Qi, H.R. (Tsinghua U., Beijing) ; Qian, Wenbin (Beijing, GUCAS) ; Qin, Ning (Tsinghua U., Beijing, CHEP) ; Qu, Sanqiang (Tsinghua U., Beijing, CHEP) ; Quagliani, Renato (Ecole Polytechnique, Lausanne) ; Rabadan Trejo, Raul Iraq (Warwick U.) ; Rachwal, B. (AGH-UST, Cracow) ; Rademacker, Jonas (Bristol U.) ; Rama, Matteo (INFN, Pisa) ; Ramírez García, Manuel (U. Michigan, Ann Arbor) ; Ramos Pernas, Miguel (Warwick U.) ; Rangel, Murilo (Rio de Janeiro Federal U.) ; Ratnikov, Fedor (Unlisted) ; Raven, Gerhard (NIKHEF, Amsterdam + Vrije U., Amsterdam) ; Rebollo De Miguel, Miguel (Valencia U., IFIC) ; Redi, Federico (CERN) ; Reich, Jake (Bristol U.) ; Reiss, Florian (Manchester U.) ; Ren, Zan (Beijing, GUCAS) ; Resmi, P.K. (Oxford U.) ; Ribatti, Roberto (INFN, Pisa ; Pisa, Scuola Normale Superiore) ; Ricart, Gabriel (Ecole Polytechnique ; Universite Paris-Saclay, Centre d?Etudes de Saclay (CEA), IRFU, Saclay, France) ; Riccardi, Domenico (INFN, Pisa) ; Ricciardi, Stefania (Rutherford) ; Richardson, Kate Abigail (MIT) ; Richardson-Slipper, Mary (Edinburgh U.) ; Rinnert, Kurt (Liverpool U.) ; Robbe, Patrick (IJCLab, Orsay) ; Robertson, Gary (Glasgow U.) ; Rodrigues, Eduardo (Liverpool U. ; CERN) ; Rodriguez Fernandez, Emilio Xose (U. Santiago de Compostela (main)) ; Rodriguez Lopez, Jairo Alexis (Colombia, U. Natl.) ; Rodriguez Rodriguez, Efren (U. Santiago de Compostela (main)) ; Rogovskiy, Alexander (Rutherford) ; Rolf, David Leonhard (CERN) ; Rollings, Alexandra Paige (Oxford U.) ; Roloff, Philipp (CERN) ; Romanovskiy, Vladimir (Unlisted) ; Romero Lamas, Marcos (U. Santiago de Compostela (main)) ; Romero Vidal, Antonio (U. Santiago de Compostela (main)) ; Romolini, Gabriele (INFN, Ferrara) ; Ronchetti, Federico (Ecole Polytechnique, Lausanne) ; Rotondo, Marcello (Frascati) ; Roy, Shreya (Heidelberg U.) ; Rudolph, Matthew Scott (Syracuse U.) ; Ruf, Thomas (CERN) ; Ruiz Diaz, Miguel (Heidelberg U.) ; Ruiz Fernandez, Ramon Angel (U. Santiago de Compostela (main)) ; Ruiz Vidal, Joan (Uppsala U.) ; Ryzhikov, Artem (Unlisted) ; Ryzka, Jakub (AGH-UST, Cracow) ; Saborido Silva, Juan Jose (U. Santiago de Compostela (main)) ; Sadek, Rita (Ecole Polytechnique) ; Sagidova, Naylya (Unlisted) ; Sahoo, Niladribihari (Birmingham U.) ; Saitta, Biagio (INFN, Cagliari ; Cagliari U.) ; Salomoni, Matteo (INFN, Milan Bicocca ; Milan Bicocca U.) ; Sanchez Gras, Cristina (Nikhef, Amsterdam) ; Sanderswood, Izaac (Valencia U., IFIC) ; Santacesaria, Roberta (INFN, Rome) ; Santamarina Rios, Cibran (U. Santiago de Compostela (main)) ; Santimaria, Marco (Frascati) ; Santoro, Leonardo (Rio de Janeiro, CBPF) ; Santovetti, Emanuele (Rome U., Tor Vergata) ; Saputi, Alessandro (INFN, Ferrara ; CERN) ; Saranin, Danila (Unlisted) ; Sarpis, Gediminas (Edinburgh U.) ; Sarpis, Mindaugas (Bonn U., HISKP) ; Sarti, Alessio (INFN, Rome) ; Satriano, Celestina (INFN, Rome ; Basilicata U., Potenza) ; Satta, Alessia (Rome U., Tor Vergata) ; Saur, Miroslav (Peking U., SKLNPT) ; Savrina, Darya (Unlisted) ; Sazak, Halime (Clermont-Ferrand U.) ; Scantlebury Smead, Luke George (Oxford U.) ; Scarabotto, Alessandro (Paris U., VI-VII) ; Schael, Stefan (Aachen, Tech. Hochsch.) ; Scherl, Sigrid (Liverpool U.) ; Schertz, Amy Marie (Eotvos U., Dept. Atomic Phys.) ; Schiller, Manuel (Glasgow U.) ; Schindler, Heinrich (CERN) ; Schmelling, Michael (Heidelberg, Max Planck Inst.) ; Schmidt, Burkhard (CERN) ; Schmitt, Sebastian (Aachen, Tech. Hochsch.) ; Schmitz, Hannah (Bonn U., HISKP) ; Schneider, Olivier (Ecole Polytechnique, Lausanne) ; Schopper, Andreas (CERN) ; Schulte, Nicole (Tech. U., Dortmund (main)) ; Schulte, Sebastian (Ecole Polytechnique, Lausanne) ; Schune, Marie Helene (IJCLab, Orsay) ; Schwemmer, Rainer (CERN) ; Schwering, Georg (Aachen, Tech. Hochsch.) ; Sciascia, Barbara (Frascati) ; Sciuccati, Augusto (CERN) ; Sellam, Sara (U. Santiago de Compostela (main)) ; Semennikov, Alexander (Unlisted) ; Senghi Soares, Mara (NIKHEF, Amsterdam + Vrije U., Amsterdam) ; Sergi, Antonino (INFN, Genoa ; Genoa U.) ; Serra, Nicola (Zurich U. ; CERN) ; Sestini, Lorenzo (INFN, Padua) ; Seuthe, Alex (Tech. U., Dortmund (main)) ; Shang, Yiduo (Peking U., SKLNPT) ; Shangase, Desmond Mzamo (U. Michigan, Ann Arbor) ; Shapkin, Mikhail (Unlisted) ; Sharma, Rashi (Syracuse U.) ; Shchemerov, Ivan (Unlisted) ; Shchutska, Lesya (Ecole Polytechnique, Lausanne) ; Shears, Tara (Liverpool U.) ; Shekhtman, Lev (Unlisted) ; Shen, Zhihong (Peking U., SKLNPT) ; Sheng, Shuqi (Beijing, Inst. High Energy Phys. ; Beijing, GUCAS) ; Shevchenko, Vladimir (Unlisted) ; Shi, Boan (Beijing, GUCAS) ; Shields, Edward Brendan (INFN, Milan Bicocca ; Milan Bicocca U.) ; Shimizu, Yuya (IJCLab, Orsay) ; Shmanin, Evgenii (Unlisted) ; Shorkin, Roman (Unlisted) ; Shupperd, Joseph David (Syracuse U.) ; Silva Coutinho, Rafael (Syracuse U.) ; Simi, Gabriele (INFN, Padua) ; Simone, Saverio (INFN, Bari ; Bari U.) ; Skidmore, Nicola (Manchester U.) ; Skuza, Raphael (Heidelberg U.) ; Skwarnicki, Tomasz (Syracuse U.) ; Slater, Mark (Birmingham U.) ; Smallwood, Jennifer Clare (Oxford U.) ; Smith, Eluned (MIT) ; Smith, Krista Lizbeth (Los Alamos) ; Smith, Mark (Imperial Coll., London) ; Snoch, Aleksandra (Nikhef, Amsterdam) ; Soares Lavra, Lais (Edinburgh U.) ; Sokoloff, Michael (Cincinnati U.) ; Soler, F.J.P. (Glasgow U.) ; Solomin, Anatoly (Bristol U.) ; Solovev, Aleksandr (Unlisted) ; Solovyev, Ivan (Unlisted) ; Song, Rongrong (Monash U.) ; Song, Yunxuan (Ecole Polytechnique, Lausanne) ; Song, Yuxiang (Tsinghua U., Beijing, CHEP) ; Song, Yintong (Peking U., SKLNPT) ; Souza De Almeida, Felipe Luan (Syracuse U.) ; Souza De Paula, Bruno (Rio de Janeiro Federal U.) ; Spadaro Norella, Elisabetta (INFN, Milan ; U. Milan (main)) ; Spedicato, Eugenia (INFN, Bologna) ; Speer, Jannis Guido (Tech. U., Dortmund (main)) ; Spiridenkov, Eduard (Unlisted) ; Spradlin, Patrick (Glasgow U.) ; Sriskaran, Viros (CERN) ; Stagni, Federico (CERN) ; Stahl, Marian (CERN) ; Stahl, Sascha (CERN) ; Stanislaus, Seophine (Oxford U.) ; Stein, Eloise Noelle (CERN) ; Steinkamp, Olaf (Zurich U.) ; Stenyakin, Oleg (Unlisted) ; Stevens, Holger (Tech. U., Dortmund (main)) ; Strekalina, Daria (Unlisted) ; Su, Yangjie (Beijing, GUCAS) ; Suljik, Fidan (Oxford U.) ; Sun, Jiayin (INFN, Cagliari) ; Sun, Liang (Wuhan U.) ; Sun, Yipeng (Maryland U., College Park) ; Swallow, Paul Nathaniel (Birmingham U.) ; Swientek, K. (AGH-UST, Cracow) ; Swystun, Francesca (Warwick U.) ; Szabelski, Adam (NCBJ, Swierk) ; Szumlak, Tomasz (AGH-UST, Cracow) ; Szymanski, Maciej Pawel (CERN) ; Tan, Yinghua (Tsinghua U., Beijing, CHEP) ; Taneja, Shantam (Manchester U.) ; Tat, Martin Duy (Oxford U.) ; Terentev, Aleksandr (Zurich U.) ; Terzuoli, Francesco (INFN, Pisa ; U. Siena (main)) ; Teubert, Frederic (CERN) ; Thomas, Eric (CERN) ; Thompson, Daniel James David (Birmingham U.) ; Tilquin, Hanae (Imperial Coll., London) ; Tisserand, Vincent (Clermont-Ferrand U.) ; T'Jampens, Stephane (Annecy, LAPP) ; Tobin, Mark (Beijing, Inst. High Energy Phys.) ; Tomassetti, Luca (INFN, Ferrara ; Ferrara U.) ; Tonani, Giorgia (INFN, Milan ; CERN ; U. Milan (main)) ; Tong, Xingyu (Peking U., SKLNPT) ; Torres Machado, Diego (Rio de Janeiro, CBPF) ; Toscano, Luca (Tech. U., Dortmund (main)) ; Tou, Da Yu (Tsinghua U., Beijing, CHEP) ; Trippl, Carina (Ramon Llull U., Barcelona) ; Tuci, Giulia (Heidelberg U.) ; Tuning, Niels (Nikhef, Amsterdam) ; Uecker, Lennart Henning (Heidelberg U.) ; Ukleja, Artur (AGH-UST, Cracow) ; Unverzagt, Daniel Joachim (Heidelberg U.) ; Ursov, Eduard (Unlisted) ; Usachov, Andrii (NIKHEF, Amsterdam + Vrije U., Amsterdam) ; Ustyuzhanin, Andrey (Unlisted) ; Uwer, Ulrich (Heidelberg U.) ; Vagnoni, Vincenzo (INFN, Bologna) ; Valassi, Andrea (CERN) ; Valenti, Giovanni (INFN, Bologna) ; Valls Canudas, Nuria (Ramon Llull U., Barcelona) ; Van Hecke, Hubert (Los Alamos) ; van Herwijnen, Eric (Imperial Coll., London) ; Van Hulse, Charlotte Barbara (U. Santiago de Compostela (main)) ; Van Laak, Raphael (Ecole Polytechnique, Lausanne) ; van Veghel, Maarten (Nikhef, Amsterdam) ; Vazquez Gomez, Ricardo (U. Barcelona (main)) ; Vazquez Regueiro, Pablo (U. Santiago de Compostela (main)) ; Vázquez Sierra, Carlos (U. Santiago de Compostela (main)) ; Vecchi, Stefania (INFN, Ferrara) ; Velthuis, Jaap (Bristol U.) ; Veltri, Michele (INFN, Florence ; U. Urbino (main)) ; Venkateswaran, Aravindhan (Ecole Polytechnique, Lausanne) ; Vesterinen, Mika (Warwick U.) ; Vieira, D. (Cincinnati U.) ; Vieites Diaz, Maria (CERN) ; Vilasis-Cardona, Xavier (Ramon Llull U., Barcelona) ; Vilella Figueras, Eva (Liverpool U.) ; Villa, Andrea (INFN, Bologna) ; Vincent, Pascal (Paris U., VI-VII) ; Volle, Felicia Carolin (IJCLab, Orsay) ; vom Bruch, Dorothea (Marseille, CPPM) ; Vorobyev, Vitaly (Unlisted) ; Voropaev, Nikolai (Unlisted) ; Vos, Kimberley (Maastricht U.) ; Vouters, Guillaume (Annecy, LAPP) ; Vrahas, Constantinos (Edinburgh U.) ; Walsh, John (INFN, Pisa) ; Walton, Eliot Jane (Monash U.) ; Wan, Guanyue (Peking U., SKLNPT) ; Wang, Chishuai (Heidelberg U.) ; Wang, Ganrong (CCNU, Wuhan, Inst. Part. Phys.) ; Wang, Jialu (Peking U., SKLNPT) ; Wang, Jianchun (Beijing, Inst. High Energy Phys.) ; Wang, Jianqiao (Tsinghua U., Beijing, CHEP) ; Wang, Jike (Wuhan U.) ; Wang, Mengzhen (INFN, Milan) ; Wang, Nanyang (Beijing, GUCAS) ; Wang, Rui (Bristol U.) ; Wang, Xiaolin (South China Normal U.) ; Wang, Xiaohan (Imperial Coll., London) ; Wang, Yilong (CCNU, Wuhan, Inst. Part. Phys.) ; Wang, Zhenzi (IJCLab, Orsay) ; Wang, Zirui (Tsinghua U., Beijing, CHEP) ; Wang, Ziyi (Beijing, GUCAS) ; Ward, Jake Alexander (Warwick U. ; Monash U.) ; Waterlaat, Mark (CERN) ; Watson, Nigel (Birmingham U.) ; Websdale, David (Imperial Coll., London) ; Wei, Yajing (Peking U., SKLNPT) ; Westhenry, Benedict Donald C. (Bristol U.) ; White, Dylan Jaide (Manchester U.) ; Whitehead, Mark (Glasgow U.) ; Wiederhold, Aidan Richard (Warwick U.) ; Wiedner, Dirk (Tech. U., Dortmund (main)) ; Wilkinson, Guy (Oxford U.) ; Wilkinson, Michael K. (Cincinnati U.) ; Williams, Mike (MIT) ; Williams, Mark Richard James (Edinburgh U.) ; Williams, Richard Morgan (Cambridge U.) ; Wilson, Fergus (Rutherford) ; Wislicki, Wojciech (NCBJ, Swierk) ; Witek, Mariusz (Cracow, INP) ; Witola, Lukas (Heidelberg U.) ; Wong, Cheuk Ping (Los Alamos) ; Wormser, Guy (IJCLab, Orsay) ; Wotton, Stephen (Cambridge U.) ; Wu, Hangyi (Syracuse U.) ; Wu, Jie (CCNU, Wuhan, Inst. Part. Phys.) ; Wu, Yanxi (Peking U., SKLNPT) ; Wyllie, Kenneth (CERN) ; Xian, Shu (South China Normal U.) ; Xiang, Zhiyu (Beijing, Inst. High Energy Phys.) ; Xie, Yuehong (CCNU, Wuhan, Inst. Part. Phys.) ; Xu, Ao (INFN, Pisa) ; Xu, Jingyi (Beijing, GUCAS) ; Xu, Li (Tsinghua U., Beijing, CHEP) ; Xu, Liangjun (Tsinghua U., Beijing, CHEP) ; Xu, Menglin (Warwick U.) ; Xu, Zehua (Clermont-Ferrand U.) ; Xu, Zhihao (Beijing, GUCAS) ; Xu, Zijun (Beijing, Inst. High Energy Phys.) ; Yang, Di (Tsinghua U., Beijing, CHEP) ; Yang, Shuangli (Beijing, GUCAS) ; Yang, Xueting (Peking U., SKLNPT) ; Yang, Youhua (INFN, Genoa ; Genoa U.) ; Yang, Zhenwei (Peking U., SKLNPT) ; Yang, Zishuo (Maryland U., College Park) ; Yeroshenko, Vsevolod (IJCLab, Orsay) ; Yeung, Ho Yin Dereck (Manchester U.) ; Yin, Hang (CCNU, Wuhan, Inst. Part. Phys.) ; Yu, Chenxu (Peking U., SKLNPT) ; Yu, Jiesheng (Hunan U.) ; Yuan, Xuhao (Beijing, Inst. High Energy Phys.) ; Zaffaroni, Ettore (Ecole Polytechnique, Lausanne) ; Zavertyaev, Mikhail (Heidelberg, Max Planck Inst.) ; Zdybal, Milosz (Cracow, INP) ; Zeng, Ming (Tsinghua U., Beijing, CHEP) ; Zhang, Chenjia (Peking U., SKLNPT) ; Zhang, Dongliang (CCNU, Wuhan, Inst. Part. Phys.) ; Zhang, Jianyu (Beijing, GUCAS) ; Zhang, Liming (Tsinghua U., Beijing, CHEP) ; Zhang, Shulei (Hunan U.) ; Zhang, Shunan (Peking U., SKLNPT) ; Zhang, Yanxi (Peking U., SKLNPT) ; Zhang, Y. (Oxford U.) ; Zhang, Yuge (Tsinghua U., Beijing, CHEP) ; Zhao, Ya (Heidelberg U.) ; Zharkova, Alina (Unlisted) ; Zhelezov, Alexey (Heidelberg U.) ; Zheng, Xutao (Tsinghua U., Beijing, CHEP) ; Zheng, Yangheng (Beijing, GUCAS) ; Zhou, Tianwen (Peking U., SKLNPT) ; Zhou, Xiaokang (CCNU, Wuhan, Inst. Part. Phys.) ; Zhou, Yixiong (Beijing, GUCAS) ; Zhovkovska, Valeriia (Warwick U.) ; Zhu, Linxuan (Beijing, GUCAS) ; Zhu, Xianglei (Tsinghua U., Beijing, CHEP) ; Zhu, Xiaoyu (CCNU, Wuhan, Inst. Part. Phys.) ; Zhu, Z. (Beijing, Inst. High Energy Phys.) ; Zhukov, Valery (Aachen, Tech. Hochsch.) ; Zhuo, Jiahui (Valencia U., IFIC) ; Zou, Quan (Beijing, Inst. High Energy Phys. ; Beijing, GUCAS) ; Zuliani, Davide (INFN, Padua) ; Zunica, Gianluca (Manchester U.)

Publication 2024-02-05
Imprint 2023-10-09
Number of pages 23
Note All figures and tables, along with any supplementary material and additional information, are available at https://cern.ch/lhcbproject/Publications/p/LHCb-DP-2023-002.html (LHCb public pages)
In: JINST 19 (2024) P02010
DOI 10.1088/1748-0221/19/02/P02010 (publication)
Subject category hep-ex ; Particle Physics - Experiment
Accelerator/Facility, Experiment CERN LHC ; LHCb
Abstract The identification of helium nuclei at LHCb is achieved using a method based on measurements of ionisation losses in the silicon sensors and timing measurements in the Outer Tracker drift tubes. The background from photon conversions is reduced using the RICH detectors and an isolation requirement. The method is developed using $pp$ collision data at $\sqrt{s}=13\,{\rm TeV}$ recorded by the LHCb experiment in the years 2016 to 2018, corresponding to an integrated luminosity of $5.5\,{\rm fb}^{-1}$. A total of around $10^5$ helium and antihelium candidates are identified with negligible background contamination. The helium identification efficiency is estimated to be approximately $50\%$ with a corresponding background rejection rate of up to $\mathcal O(10^{12})$. These results demonstrate the feasibility of a rich programme of measurements of QCD and astrophysics interest involving light nuclei.
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