Главная страница > Transverse-spin-dependent azimuthal asymmetries of pion and kaon pairs produced in muon-proton and muon-deuteron semi-inclusive deep inelastic scattering |
Article | |
Report number | arXiv:2301.02013 ; CERN-EP-2022-292 |
Title | Transverse-spin-dependent azimuthal asymmetries of pion and kaon pairs produced in muon-proton and muon-deuteron semi-inclusive deep inelastic scattering |
Author(s) |
Alexeev, G.D. (Unlisted) ; Alexeev, M.G. (INFN, Turin) ; Alice, C. (INFN, Turin) ; Amoroso, A. (INFN, Turin) ; Andrieux, V. (Illinois U., Urbana) ; Anosov, V. (Unlisted) ; Augsten, K. (Prague, Tech. U.) ; Augustyniak, W. (NCBJ, Warsaw) ; Azevedo, C.D.R. (Aveiro U.) ; Badelek, B. (Warsaw U.) ; Barth, J. (Bonn U., HISKP) ; Beck, R. (Bonn U., HISKP) ; Bedfer, Y. (IRFU, Saclay) ; Bernhard, J. (Mainz U., Inst. Kernphys. ; CERN) ; Bodlak, M. (Charles U.) ; Bradamante, F. (INFN, Trieste) ; Braun, C. (Erlangen - Nuremberg U.) ; Bressan, A. (INFN, Trieste) ; Burtsev, V.E. (Unlisted) ; Chang, W.-C. (Taiwan, Inst. Phys.) ; Chatterjee, C. (INFN, Trieste) ; Chiosso, M. (INFN, Turin) ; Chumakov, A.G. (Unlisted) ; Chung, S.-U. (TUM-IAS, Munich) ; Cicuttin, A. (INFN, Trieste ; ICTP, Trieste) ; Correia, P.M.M. (Aveiro U.) ; Crespo, M.L. (INFN, Trieste ; ICTP, Trieste) ; D'Ago, D. (INFN, Trieste) ; Dalla Torre, S. (INFN, Trieste) ; Dasgupta, S.S. (Calcutta U.) ; Dasgupta, S. (INFN, Trieste) ; Del Carro, F. (INFN, Turin) ; Denisenko, I. (Unlisted) ; Denisov, O.Yu. (INFN, Turin) ; Donskov, S.V. (Unlisted) ; Doshita, N. (Yamagata U.) ; Dreisbach, Ch. (TUM-IAS, Munich) ; Dünnweber, W. (LMU Munich (main)) ; Dusaev, R.R. (Unlisted) ; Ecker, D. (TUM-IAS, Munich) ; Efremov, A. (Unlisted) ; Elia, C. (INFN, Trieste) ; Eremeev, D. (Unlisted) ; Faccioli, P. (LIP, Lisbon) ; d, M. Faessler d. (Yerevan Phys. Inst.) ; Finger, M. (Charles U.) ; Finger, M., jr. (Charles U.) ; Fischer, H. (Freiburg U.) ; Flöthner, K.J. (Bonn U., HISKP) ; Florian, W. (INFN, Trieste ; ICTP, Trieste) ; Friedrich, J.M. (TUM-IAS, Munich) ; Frolov, V. (Unlisted ; CERN) ; Ordòñez, L.G. Garcia (INFN, Trieste ; ICTP, Trieste) ; Gautheron, F. (Ruhr U., Bochum ; Illinois U., Urbana) ; Gavrichtchouk, O.P. (Unlisted) ; Gerassimov, S. (Unlisted ; TUM-IAS, Munich) ; Giarra, J. (Mainz U., Inst. Kernphys.) ; Giordano, D. (INFN, Turin) ; Gorzellik, M. (Freiburg U.) ; Grasso, A. (INFN, Turin) ; Gridin, A. (Unlisted) ; Grosse Perdekamp, M. (Illinois U., Urbana) ; Grube, B. (TUM-IAS, Munich) ; Grüner, M. (Bonn U., HISKP) ; Guskov, A. (Unlisted) ; von Harrach, D. (Mainz U., Inst. Kernphys.) ; Hoffmann, M. (Bonn U., HISKP) ; Horikawa, N. (Nagoya U.) ; d'Hose, N. (IRFU, Saclay) ; Hsieh, C.-Y. (Taiwan, Inst. Phys.) ; Huber, S. (TUM-IAS, Munich) ; Ishimoto, S. (Yamagata U.) ; Ivanov, A. (Unlisted) ; Iwata, T. (Yamagata U.) ; Jandek, M. (Prague, Tech. U.) ; Jary, V. (Prague, Tech. U.) ; Joosten, R. (Bonn U., HISKP) ; Kabuß, E. (Mainz U., Inst. Kernphys.) ; Kaspar, F. (TUM-IAS, Munich) ; Kerbizi, A. (INFN, Trieste) ; Ketzer, B. (Bonn U., HISKP) ; Khatun, A. (IRFU, Saclay) ; Khaustov, G.V. (Unlisted) ; Klein, F. (Bonn U.) ; Koivuniemi, J.H. (Ruhr U., Bochum ; Illinois U., Urbana) ; Kolosov, V.N. (Unlisted) ; Kondo Horikawa, K. (Yamagata U.) ; Konorov, I. (Unlisted ; TUM-IAS, Munich) ; Konstantinov, V.F. (Unlisted) ; Korzenev, A.M. (Unlisted) ; Kotzinian, A.M. (Yerevan Phys. Inst. ; INFN, Turin) ; Kouznetsov, O.M. (Unlisted) ; Koval, A. (NCBJ, Warsaw) ; Kral, Z. (Charles U.) ; Krinner, F. (TUM-IAS, Munich) ; Kunne, F. (IRFU, Saclay) ; Kurek, K. (NCBJ, Warsaw) ; Kurjata, R.P. (Warsaw U. of Tech.) ; Kveton, A. (Charles U.) ; Lavickova, K. (Prague, Tech. U.) ; Levorato, S. (CERN ; INFN, Trieste) ; Lian, Y.-S. (Taiwan, Inst. Phys.) ; Lichtenstadt, J. (Tel Aviv U.) ; Lin, P.-J. (Taiwan, Inst. Phys.) ; B. ; Longo, R. (Illinois U., Urbana) ; Lyubovitskij, V.E. (Unlisted) ; Maggiora, A. (INFN, Turin) ; Magnon, A. (Calcutta U.) ; Makins, N. (Illinois U., Urbana) ; Makke, N. (INFN, Trieste) ; Mallot, G.K. (CERN ; Freiburg U.) ; Maltsev, A. (Unlisted) ; Mamon, S.A. (Unlisted) ; Martin, A. (INFN, Trieste) ; Marzec, J. (Warsaw U. of Tech.) ; Matoušek, J. (Charles U.) ; Matsuda, T. (Miyazaki U.) ; Mattson, G. (Illinois U., Urbana) ; Pires, C. Menezes (LIP, Lisbon) ; Metzger, F. (Bonn U., HISKP) ; Meyer, M. (Illinois U., Urbana ; IRFU, Saclay) ; Meyer, W. (Ruhr U., Bochum) ; Mikhailov, Yu.V. (Unlisted) ; Mikhasenko, M. (LMU Munich (main)) ; Mitrofanov, E. (Unlisted) ; Miura, D. (Yamagata U.) ; Miyachi, Y. (Yamagata U.) ; Molina, R. (INFN, Trieste ; ICTP, Trieste) ; Moretti, A. (INFN, Trieste) ; Nagaytsev, A. (Unlisted) ; Neyret, D. (IRFU, Saclay) ; Niemiec, M. (Warsaw U.) ; Nový, J. (Prague, Tech. U.) ; Nowak, W.-D. (Mainz U., Inst. Kernphys.) ; Nukazuka, G. (Yamagata U.) ; Olshevsky, A.G. (Unlisted) ; Ostrick, M. (Mainz U., Inst. Kernphys.) ; Panzieri, D. (INFN, Turin) ; H, H. (Yerevan Phys. Inst.) ; Parsamyan, B. (Yerevan Phys. Inst. ; INFN, Turin) ; Paul, S. (TUM-IAS, Munich) ; Pekeler, H. (Bonn U., HISKP) ; Peng, J.-C. (Illinois U., Urbana) ; Pesaro, G. (INFN, Trieste) ; Pešek, M. (Charles U.) ; Peshekhonov, D.V. (Unlisted) ; Pešková, M. (Charles U.) ; Platchkov, S. (IRFU, Saclay) ; Pochodzalla, J. (Mainz U., Inst. Kernphys.) ; Polyakov, V.A. (Unlisted) ; Quaresma, M. (LIP, Lisbon) ; Quintans, C. (LIP, Lisbon) ; Reicherz, G. (Ruhr U., Bochum) ; Riedl, C. (Illinois U., Urbana) ; Ryabchikov, D.I. (Unlisted ; TUM-IAS, Munich) ; Rychter, A. (Warsaw U. of Tech.) ; Rymbekova, A. (Unlisted) ; Samoylenko, V.D. (Unlisted) ; Sandacz, A. (NCBJ, Warsaw) ; Sarkar, S. (Calcutta U.) ; Savin, I.A. (Unlisted) ; Sbrizzai, G. (INFN, Trieste) ; Schiavon, P. (INFN, Trieste) ; Schmieden, H. (Bonn U.) ; Selyunin, A. (Unlisted) ; Sharko, K. (Unlisted) ; Sinha, L. (Calcutta U.) ; Slunecka, M. (Unlisted ; Charles U.) ; Sozzi, F. (INFN, Trieste) ; Spülbeck, D. (Bonn U., HISKP) ; Srnka, A. (Inst. Sci. Instruments, Brno) ; Stolarski, M. (LIP, Lisbon) ; Subrt, O. (CERN ; Prague, Tech. U.) ; Sulc, M. (Liberec Tech. U.) ; Suzuki, H. (Yamagata U.) ; I. ; Tessaro, S. (INFN, Trieste) ; Tessarotto, F. (INFN, Trieste) ; Thiel, A. (Bonn U., HISKP) ; Tomsa, J. (Charles U.) ; Tosello, F. (INFN, Turin) ; Townsend, A. (Illinois U., Urbana) ; Triloki, T. (INFN, Trieste) ; Tskhay, V. (Unlisted) ; Valinoti, B. (INFN, Trieste ; ICTP, Trieste) ; Veit, B.M. (Mainz U., Inst. Kernphys.) ; Veloso, J.F.C.A. (Aveiro U.) ; Ventura, B. (IRFU, Saclay) ; Virius, M. (Prague, Tech. U.) ; Wagner, M. (Bonn U., HISKP) ; Wallner, S. (TUM-IAS, Munich) ; Zaremba, K. (Warsaw U. of Tech.) ; Zavertyaev, M. (Unlisted) ; Zemko, M. (Charles U. ; Prague, Tech. U.) ; Zemlyanichkina, E. (Unlisted) ; Ziembicki, M. (Warsaw U. of Tech.) |
Corporate author(s) | The COMPASS collaboration |
Publication | 2023-08-29 |
Imprint | 28 Dec 2022 |
Number of pages | 11 |
Published in: | Phys. Lett. B 845 (2023) 138155 |
DOI | 10.1016/j.physletb.2023.138155 |
Subject category | Particle Physics - Experiment |
Accelerator/Facility, Experiment | CERN SPS ; COMPASS / NA58 |
Keywords | QCD ; polarization ; hard scattering ; experimental results |
Abstract | A set of measurements of azimuthal asymmetries in the production of pairs of identified hadrons in deep-inelastic scattering of muons on transversely polarised 6LiD (deuteron) and NH3 (proton) targets is presented. All available data collected in the years 2002–2004 and 2007/2010 with the COMPASS spectrometer using a muon beam of 160 GeV=c at the CERN SPS were analysed. The asymmetries provide access to the transversity distribution functions via a fragmentation function that in principle may be independently obtained from e+e- annihilation data. Results are presented, discussed and compared to existing measurements as well as to model predictions. Asymmetries of pi+pi- pairs measured with the proton target as a function of the Bjorken scaling variable are sizeable in the range x > 0:032, indicating non-vanishing transversity distribution and di-hadron interference fragmentation functions. As already pointed out by several authors, the small asymmetries of pi+pi- measured on the 6LiD target can be interpreted as indication for a cancellation of u and d-quark transversity distributions. |
Other source | Inspire |
Copyright/License | Preprint: © 2023-2024 CERN (License: CC-BY-4.0) Publication: © 2023 Published by Elsevier B.V. (License: CC BY 4.0), sponsored by SCOAP³ |
Submitted by | [email protected] |