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Rare few-body decays of the Standard Model Higgs boson / d'Enterria, David (CERN) ; Le, Van Dung (Ho Chi Minh City U.)
We present a survey of rare and exclusive few-body decays of the standard model (SM) Higgs boson, defined as those into two to four final particles with branching fractions $\mathcal{B}\lesssim 10^{-5}$. Studies of such decays can be exploited to constrain Yukawa couplings of quarks and leptons, probe flavour-changing Higgs decays, estimate backgrounds for exotic Higgs decays into beyond-SM particles, and/or confirm quantum chromodynamics factorization with small nonperturbative corrections [...]
arXiv:2508.00466.- Geneva : CERN, 2025 - 26 p. Fulltext: LHCHWG-2025-006 - PDF; 2508.00466 - PDF; Second update of the contribution: PDF; Updated contribution: PDF;

Detaljerad journal - 2 comments

Diffraction and Low-x 2024 - Difflowx2024 8 - 14 Sep 2024 - Trabia, Palermo, Italy / Capua, M (ed.) (Univ. Calabria & INFN-Cosenza); Delle Rose, L (ed.) (Univ. Calabria & INFN-Cosenza); Fazio, S (ed.) (Univ. Calabria & INFN-Cosenza); Fiore, R (ed.) (-); Meoni, E (ed.) (Univ. Calabria & INFN-Cosenza); Panizzi, L (ed.) (Univ. Calabria & INFN-Cosenza); Papa, A (ed.) (Univ. Calabria & INFN-Cosenza); Rossi, M (ed.) (Univ. Calabria & INFN-Cosenza); Royon, C (ed.) (Univ. of Kansas); Tassi, E (ed.) (Univ. Calabria & INFN-Cosenza)
2024

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$K^0_S$ meson production in inelastic $p+p$ interactions at 31, 40 and 80 GeV/$c$ beam momentum measured by NA61/SHINE at the CERN SPS / Adhikary, H (NA61/SHINE Collaboration) /NA61
Measurements of $K^0_S$ meson production via its $\pi^{+} \pi^{-}$ decay mode in inelastic $p+p$ interactions at incident projectile momenta of 31, 40 and 80 GeV/$c$ ($\sqrt{s_{NN}}=7.7, 8.8$ and $12.3$ GeV, respectively) are presented. The data were recorded by the NA61/SHINE spectrometer at the CERN Super Proton Synchrotron [...]
CERN-EP-2024-051.- Geneva : CERN, 2024 - 26. Draft (restricted): PDF; Fulltext: PDF;

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Commissioning of the FASER Trigger and Data Acquisition Prior to Proton-proton Collision Data-taking at the LHC / Antel, Claire /FASER Collaboration
FASER is a newly installed experiment at the LHC designed to search for long lived particles produced in high energy proton collisions and decaying several 100 meters downstream. As the experiment aims to measure a rare hypothetical process, it is crucial that the experiment’s trigger and data acquisition (TDAQ) system runs reliably and with minimal deadtime, quick to catch errors and raise alerts. [...]
2021 - 4 p. - Published in : 10.1109/NSS/MIC44867.2021.9875894
In : IEEE NSS MIC 2021, Online, Japan, 16 - 23 Oct 2021, pp.1-4

Detaljerad journal

Update on the Electromagnetic Design of the Nb-Sn Cos-Theta Dipole Model for FCC-hh / Valente, R U (U. Rome La Sapienza (main) ; LASA, Segrate) ; Burioli, S (INFN, Genoa ; Genoa U.) ; Caiffi, B (INFN, Genoa) ; Matteis, E De (LASA, Segrate) ; Fabbricatore, P (INFN, Genoa) ; Farinon, S (INFN, Genoa) ; Lackner, F (CERN) ; Levi, F (INFN, Genoa ; Genoa U.) ; Mariotto, S (LASA, Segrate) ; Musenich, R (INFN, Genoa) et al.
The Future Circular Collider (FCC) is the main option for the next generation of the High Energy Physics research. The accelerator in hadron-hadron configuration (FCC-hh) requires magnets able to generate fields of the order of 16 T to circulate particles in a 100 km circumference collider and therefore to reach 100 TeV centre of mass energy. [...]
2022 - 5 p. - Published in : IEEE Trans. Appl. Supercond. 32 (2022) 4001005
In : 15th European Conference on Applied Superconductivity (EUCAS 2021), Online, 5 - 9 Sep 2021, pp.4001005

Detaljerad journal

p(roton)p(roton)Billiard Collide two balls on a table and see what happens if they were protons in the Large Hadron Collider at CERN. / Quast, Gunter (KIT - Karlsruhe Institute of Technology (DE))
This project was inspired by the CERN proton football (https://cds.cern.ch/record/1495726) [...]
CMS-OUTREACH-2022-003. - 2022.
Language: English, German

Detaljerad journal

Search for Third-Generation Vectorlike Leptons in pp Collisions at √𝒔 = 13 TeV with the ATLAS detector
A search for vectorlike leptons coupling to the third generation Standard Model leptons in the multilepton (two, three, and four or more light leptons) final state with zero or more hadronic tau lepton decays is presented. [...]
ATLAS-CONF-2022-044. - 2022.
Original Communication (restricted to ATLAS) - Full text

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Odderon and proton substructure from a model-independent Lévy imaging of elastic $pp$ and $p\bar{p}$ collisions / Csörgő, T. (Wigner RCP, Budapest ; Karoly Robert U. Coll. ; CERN) ; Pasechnik, R. (Lund U., Dept. Theor. Phys. ; Prague, Inst. Phys.) ; Ster, A. (Wigner RCP, Budapest)
We describe a new and model-independent L\'evy imaging method of quality fits to the published datasets and reconstruct the amplitude of high-energy $pp$ and $p\bar p$ elastic scattering processes. This method allows us to determine the excitation function of the shadow profile $P(b)$, the elastic slope $B(t)$ and the nuclear phase $\phi(t)$ functions of $pp$ and $p\bar p$ collisions directly from the data. [...]
arXiv:1807.02897.- 2019-01-28 - 27 p. - Published in : Eur. Phys. J. C 79 (2019) 62 Article from SCOAP3: PDF; Fulltext: PDF;

Detaljerad journal

Luminosity Determination using $Z \to \ell\ell$ events at $\sqrt {s}$ = 13TeV with the ATLAS detector / O'Keefe, Michael William (Liverpool U.) /ATLAS Collaboration
During Run 2, the maximum instantaneous luminosity delivered by the Large Hadron Collider to the ATLAS and CMS experiments reached $19 \times10^{33}$ cm$^{-2}$ s$^{-1}$ in $pp$ collisions at $\sqrt{s}=$13~TeV. This permitted monitoring of the luminosity, with a time granularity of about 60 s, using the counts of reconstructed $Z\rightarrow \ell \ell$ events, where two muons or electrons with $p_T^{\ell}>27$~GeV, $|\eta^{\ell}|<2.4$ and $66<m_{\ell\ell}<116$~GeV are selected. [...]
Geneva : SISSA, 2021 - 4 p. - Published in : PoS ICHEP2020 (2021) 812 Fulltext: PDF;
In : 40th International Conference on High Energy Physics (ICHEP), Prague, Czech Republic, 28 Jul - 6 Aug 2020, pp.812

Detaljerad journal

10.

$K^{*}(892)^0$ meson production in inelastic $p+p$ interactions at 40 and 80 GeV/$c$ beam momenta measured by NA61/SHINE at the CERN SPS / NA61/SHINE Collaboration
Measurements of $K^{*}(892)^0$ resonance production via its $K^{+}\pi^{-}$ decay mode in inelastic $p+p$ collisions at beam momenta 40 and 80 GeV/$c$ ($\sqrt{s_{NN}}=8.8$ and 12.3 GeV) are presented. The data were recorded by the NA61/SHINE hadron spectrometer at the CERN Super Proton Synchrotron. [...]
arXiv:2112.09506; CERN-EP-2021-269.- Geneva : CERN, 2022-04-13 - 20 p. - Published in : Eur. Phys. J. C 82 (2022) 322 Draft (restricted): PDF; Fulltext: CERN-EP-2021-269 - PDF; 2112.09506 - PDF; fermilab-pub-21-781-ad - PDF; Fulltext from Publisher: PDF; External link: Fermilab Library Server

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