CERN Accelerating science

Article
Report number arXiv:1408.4405 ; CERN-PH-EP-2014-213 ; CERN-PH-EP-2014-213
Title Collins and Sivers asymmetries in muonproduction of pions and kaons off transversely polarised proton
Author(s)

Adolph, C. (Erlangen - Nuremberg U.) ; Akhunzyanov, R (Dubna, JINR) ; Alexeev, M G (Ruhr U., Bochum, Inst. Expt. Phys.) ; Alexeev, G D (Dubna, JINR) ; Amoroso, A (Ruhr U., Bochum, Inst. Expt. Phys.) ; Andrieux, V (IRFU, SPhN, Saclay) ; Anosov, V (Dubna, JINR) ; Austregesilo, A (CERN ; Munich, Tech. U.) ; Badełek, B (Warsaw U.) ; Balestra, F (Ruhr U., Bochum, Inst. Expt. Phys.) ; Barth, J (Bonn U.) ; Baum, G (Bielefeld U.) ; Beck, R (Bonn U., HISKP) ; Bedfer, Y (IRFU, SPhN, Saclay) ; Berlin, A (Ruhr U., Bochum, Inst. Expt. Phys.) ; Bernhard, J (Mainz U., Inst. Kernphys.) ; Bicker, K (CERN ; Munich, Tech. U.) ; Bieling, J (Bonn U.) ; Birsa, R (INFN, Trieste) ; Bisplinghoff, J (Bonn U., HISKP) ; Bodlak, M (Charles U., Inst. Theor. Phys.) ; Boer, M (IRFU, SPhN, Saclay) ; Bordalo, P (LIP, Lisbon) ; Bradamante, F (Trieste U. ; INFN, Trieste) ; Braun, C (Erlangen - Nuremberg U.) ; Bressan, A (Trieste U. ; INFN, Trieste) ; Büchele, M (Freiburg U.) ; Burtin, E (IRFU, SPhN, Saclay) ; Capozza, L (IRFU, SPhN, Saclay) ; Chiosso, M (Ruhr U., Bochum, Inst. Expt. Phys.) ; Chung, S U (Munich, Tech. U.) ; Cicuttin, A (ICTP, Trieste ; INFN, Trieste) ; Crespo, M L (ICTP, Trieste ; INFN, Trieste) ; Curiel, Q (IRFU, SPhN, Saclay) ; Dalla Torre, S (INFN, Trieste) ; Dasgupta, S S (Matrivani Inst., Calcutta) ; Dasgupta, S (INFN, Trieste) ; Denisov, O Yu (NCBJ, Swierk) ; Donskov, S V (Kurchatov Inst., Moscow) ; Doshita, N (Bonn U., HISKP) ; Duic, V (Trieste U.) ; Dünnweber, W (Munich U.) ; Dziewiecki, M (Warsaw U., Inst. Radioelect.) ; Efremov, A (Dubna, JINR) ; Elia, C (Trieste U. ; INFN, Trieste) ; Eversheim, P D (Bonn U., HISKP) ; Eyrich, W (Erlangen - Nuremberg U.) ; Faessler, M (Munich U.) ; Ferrero, A (IRFU, SPhN, Saclay) ; Filin, A (Kurchatov Inst., Moscow) ; Finger, M (Charles U., Inst. Theor. Phys.) ; Finger, M., Jr. (Charles U., Inst. Theor. Phys.) ; Fischer, H (Freiburg U.) ; Franco, C (LIP, Lisbon) ; du Fresne von Hohenesche, N (Mainz U., Inst. Kernphys. ; CERN) ; Friedrich, J M (Munich, Tech. U.) ; Frolov, V (CERN) ; Gautheron, F (Ruhr U., Bochum, Inst. Expt. Phys.) ; Gavrichtchouk, O P (Dubna, JINR) ; Gerassimov, S (Lebedev Inst. ; Munich, Tech. U.) ; Geyer, R (Munich U.) ; Gnesi, I (Turin U. ; NCBJ, Swierk) ; Gobbo, B (INFN, Trieste) ; Goertz, S (Bonn U.) ; Gorzellik, M (Freiburg U.) ; Grabmüller, S (Munich, Tech. U.) ; Grasso, A (Turin U. ; NCBJ, Swierk) ; Grube, B (Munich, Tech. U.) ; Grussenmeyer, T (Freiburg U.) ; Guskov, A (Dubna, JINR) ; Guthörl, T (Freiburg U.) ; Haas, F (Munich, Tech. U.) ; von Harrach, D (Mainz U., Inst. Kernphys.) ; Hahne, D (Bonn U.) ; Hashimoto, R (Bonn U., HISKP) ; Heinsius, F H (Freiburg U.) ; Herrmann, F (Freiburg U.) ; Hinterberger, F (Bonn U., HISKP) ; Höppner, Ch (Munich, Tech. U.) ; Horikawa, N (Nagoya U. (main)) ; d'Hose, N (IRFU, SPhN, Saclay) ; Huber, S (Munich, Tech. U.) ; Ishimoto, S (Bonn U., HISKP) ; Ivanov, A (Dubna, JINR) ; Ivanshin, Yu (Dubna, JINR) ; Iwata, T (Bonn U., HISKP) ; Jahn, R (Bonn U., HISKP) ; Jary, V (Ruhr U., Bochum, Inst. Expt. Phys.) ; Jasinski, P (Mainz U., Inst. Kernphys.) ; Jörg, P (Freiburg U.) ; Joosten, R (Bonn U., HISKP) ; Kabuß, E (Mainz U., Inst. Kernphys.) ; Ketzer, B (Munich, Tech. U.) ; Khaustov, G V (Kurchatov Inst., Moscow) ; Khokhlov, Yu A (Kurchatov Inst., Moscow) ; Kisselev, Yu (Dubna, JINR) ; Klein, F (Bonn U.) ; Klimaszewski, K (Bonn U., HISKP) ; Koivuniemi, J H (Ruhr U., Bochum, Inst. Expt. Phys.) ; Kolosov, V N (Kurchatov Inst., Moscow) ; Kondo, K (Bonn U., HISKP) ; Königsmann, K (Freiburg U.) ; Konorov, I (Lebedev Inst. ; Munich, Tech. U.) ; Konstantinov, V F (Kurchatov Inst., Moscow) ; Kotzinian, A M (Turin U. ; NCBJ, Swierk) ; Kouznetsov, O (Dubna, JINR) ; Krämer, M (Munich, Tech. U.) ; Kroumchtein, Z V (Dubna, JINR) ; Kuchinski, N (Dubna, JINR) ; Kunne, F (IRFU, SPhN, Saclay) ; Kurek, K (Bonn U., HISKP) ; Kurjata, R P (Warsaw U., Inst. Radioelect.) ; Lednev, A A (Kurchatov Inst., Moscow) ; Lehmann, A (Erlangen - Nuremberg U.) ; Levillain, M (IRFU, SPhN, Saclay) ; Levorato, S (INFN, Trieste) ; Lichtenstadt, J (Tel Aviv U.) ; Maggiora, A (NCBJ, Swierk) ; Magnon, A (IRFU, SPhN, Saclay) ; Makke, N (Trieste U. ; INFN, Trieste) ; Mallot, G K (CERN) ; Marchand, C (IRFU, SPhN, Saclay) ; Martin, A (Trieste U. ; INFN, Trieste) ; Marzec, J (Warsaw U., Inst. Radioelect.) ; Matousek, J (Charles U., Inst. Theor. Phys.) ; Matsuda, H (Bonn U., HISKP) ; Matsuda, T (Miyazaki U.) ; Meshcheryakov, G (Dubna, JINR) ; Meyer, W (Ruhr U., Bochum, Inst. Expt. Phys.) ; Michigami, T (Bonn U., HISKP) ; Mikhailov, Yu V (Kurchatov Inst., Moscow) ; Miyachi, Y (Bonn U., HISKP) ; Nagaytsev, A (Dubna, JINR) ; Nagel, T (Munich, Tech. U.) ; Nerling, F (Mainz U., Inst. Kernphys.) ; Neubert, S (Munich, Tech. U.) ; Neyret, D (IRFU, SPhN, Saclay) ; Nikolaenko, V I (Kurchatov Inst., Moscow) ; Novy, J (Ruhr U., Bochum, Inst. Expt. Phys.) ; Nowak, W -D (Freiburg U.) ; Nunes, A S (LIP, Lisbon) ; Olshevsky, A G (Dubna, JINR) ; Orlov, I (Dubna, JINR) ; Ostrick, M (Mainz U., Inst. Kernphys.) ; Panknin, R (Bonn U.) ; Panzieri, D (Piemonte Orientale U., Alessandria ; NCBJ, Swierk) ; Parsamyan, B (Turin U. ; NCBJ, Swierk) ; Paul, S (Munich, Tech. U.) ; Peshekhonov, D V (Dubna, JINR) ; Platchkov, S (IRFU, SPhN, Saclay) ; Pochodzalla, J (Mainz U., Inst. Kernphys.) ; Polyakov, V A (Kurchatov Inst., Moscow) ; Pretz, J (Bonn U.) ; Quaresma, M (LIP, Lisbon) ; Quintans, C (LIP, Lisbon) ; Ramos, S (LIP, Lisbon) ; Regali, C (Freiburg U.) ; Reicherz, G (Ruhr U., Bochum, Inst. Expt. Phys.) ; Rocco, E (CERN) ; Rossiyskaya, N S (Dubna, JINR) ; Ryabchikov, D I (Kurchatov Inst., Moscow) ; Rychter, A (Warsaw U., Inst. Radioelect.) ; Samoylenko, V D (Kurchatov Inst., Moscow) ; Sandacz, A (Bonn U., HISKP) ; Sarkar, S (Matrivani Inst., Calcutta) ; Savin, I A (Dubna, JINR) ; Sbrizzai, G (Trieste U. ; INFN, Trieste) ; Schiavon, P (Trieste U. ; INFN, Trieste) ; Schill, C (Freiburg U.) ; Schlüter, T (Munich U.) ; Schmidt, K (Freiburg U.) ; Schmieden, H (Bonn U.) ; Schönning, K (CERN) ; Schopferer, S (Freiburg U.) ; Schott, M (CERN) ; Shevchenko, O Yu (Dubna, JINR) ; Silva, L (LIP, Lisbon) ; Sinha, L (Matrivani Inst., Calcutta) ; Sirtl, S (Freiburg U.) ; Slunecka, M (Dubna, JINR) ; Sosio, S (Turin U. ; NCBJ, Swierk) ; Sozzi, F (INFN, Trieste) ; Srnka, A (Inst. Sci. Instruments, Brno) ; Steiger, L (INFN, Trieste) ; Stolarski, M (LIP, Lisbon) ; Sulc, M (Liberec Tech. U.) ; Sulej, R (Bonn U., HISKP) ; Suzuki, H (Chubu U. ; Yamagata U.) ; Szabelski, A (Bonn U., HISKP) ; Szameitat, T (Freiburg U.) ; Sznajder, P (Bonn U., HISKP) ; Takekawa, S (Turin U. ; NCBJ, Swierk) ; ter Wolbeek, J (Freiburg U.) ; Tessaro, S (INFN, Trieste) ; Tessarotto, F (INFN, Trieste) ; Thibaud, F (IRFU, SPhN, Saclay) ; Uhl, S (Munich, Tech. U.) ; Uman, I (Munich U.) ; Virius, M (Ruhr U., Bochum, Inst. Expt. Phys.) ; Wang, L (Ruhr U., Bochum, Inst. Expt. Phys.) ; Weisrock, T (Mainz U., Inst. Kernphys.) ; Wilfert, M (Mainz U., Inst. Kernphys.) ; Windmolders, R (Bonn U.) ; Wollny, H (IRFU, SPhN, Saclay) ; Zaremba, K (Warsaw U., Inst. Radioelect.) ; Zavertyaev, M (Lebedev Inst.) ; Zemlyanichkina, E (Dubna, JINR) ; Ziembicki, M (Warsaw U., Inst. Radioelect.) ; Zink, A (Erlangen - Nuremberg U.)

Publication 2015-03-31
Imprint 19 Aug 2014
Number of pages 10
Note Comments: 15 pages, 13 figures and 1 table
15 pages, 13 figures and 1 table
In: Phys. Lett. B 744 (2015) 250-259
DOI 10.1016/j.physletb.2015.03.056
Subject category Particle Physics - Experiment
Accelerator/Facility, Experiment CERN SPS ; COMPASS NA58
Free keywords QCD ; experimental results ; TMD ; Collins and Sivers asymmetried ; identified hadrons
Abstract Measurements of the Collins and Sivers asymmetries for charged pions and charged and neutral kaons produced in semi-inclusive deep-inelastic scattering of high energy muons off transversely polarised protons are presented. The results were obtained using all the available COMPASS proton data, which were taken in the years 2007 and 2010. The Collins asymmetries exhibit in the valence region a non-zero signal for pions and there are hints of non-zero signal also for kaons. The Sivers asymmetries are found to be positive for positive pions and kaons and compatible with zero otherwise.
Copyright/License publication: © 2015-2025 CERN (License: CC-BY-4.0), sponsored by SCOAP³
preprint: © 2014-2025 CERN (License: CC-BY-3.0)



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 Record created 2014-08-19, last modified 2025-02-20


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