Home > CERN Experiments > SPS Experiments > COMPASS > COMPASS Conference Proceedings > Collins and Sivers asymmetries in muonproduction of pions and kaons off transversely polarised proton |
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. |
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