/ hep-ex CERN-EP-2016--250


Sivers asymmetry extracted in SIDIS at the hard scale of the Drell-Yan process at COMPASS


Adolph, C (U. Erlangen-Nuremberg (main)) ; Aghasyan, M (INFN, Trieste) ; Akhunzyanov, R (Dubna, JINR) ; Alexeev, M G (Turin U.) ; Alexeev, G D (Dubna, JINR) ; Amoroso, A (Turin U.) ; Andrieux, V (IRFU, Saclay) ; Anfimov, N V (Dubna, JINR) ; Anosov, V (Dubna, JINR) ; Augsten, K (Dubna, JINR) ; Augustyniak, W (NCBJ, Swierk) ; Austregesilo, A (Munich, Tech. U.) ; Azevedo, C D R (Aveiro U.) ; Badełek, B (Warsaw U.) ; Balestra, F (Turin U.) ; Ball, M (Bonn U., HISKP) ; Barth, J (Bonn U.) ; Beck, R (Bonn U., HISKP) ; Bedfer, Y (IRFU, Saclay) ; Bernhard, J (Mainz U., Inst. Kernphys.) ; Bicker, K (Munich, Tech. U.) ; Bielert, E R (CERN) ; Birsa, R (INFN, Trieste) ; Bodlak, M (Charles U.) ; Bordalo, P (IST, Lisbon (main)) ; Bradamante, F (Trieste U.) ; Braun, C (U. Erlangen-Nuremberg (main)) ; Bressan, A (Trieste U.) ; Buchele, M (Freiburg U.) ; Chang, W-C (Taiwan, Inst. Phys.) ; Chatterjee, C (Matrivani Inst., Calcutta) ; Chiosso, M (Turin U.) ; Choi, I (Illinois U., Urbana) ; Chung, S-U (Pusan Natl. U.) ; Cicuttin, A (ICTP, Trieste) ; Crespo, M L (ICTP, Trieste) ; Curiel, Q (IRFU, Saclay) ; Dalla Torre, S (INFN, Trieste) ; Dasgupta, S S (Matrivani Inst., Calcutta) ; Dasgupta, S (Trieste U.) ; Denisov, O Yu (INFN, Turin) ; Dhara, L (Matrivani Inst., Calcutta) ; Donskov, S V (Kurchatov Inst., Moscow) ; Doshita, N (Yamagata U.) ; Dreisbach, Ch (Munich, Tech. U.) ; Duic, V (Trieste U.) ; Dunnweber, W (DFG Cluster of Excellence) ; Dziewiecki, M (Warsaw U. of Tech.) ; Efremov, A (Dubna, JINR) ; Eversheim, P D (Bonn U., HISKP) ; Eyrich, W (U. Erlangen-Nuremberg (main)) ; Faessler, M (DFG Cluster of Excellence) ; Ferrero, A (IRFU, Saclay) ; Finger, M (Charles U.) ; Finger jr, M (Charles U.) ; Fischer, H (Freiburg U.) ; Franco, C (LIP, Lisbon) ; du Fresne von Hohenesche, N (Mainz U., Inst. Kernphys.) ; Friedrich, J M (Munich, Tech. U.) ; Frolov, V (Dubna, JINR) ; Fuchey, E (IRFU, Saclay) ; Gautheron, F (Ruhr U., Bochum, Inst. Expt. Phys.) ; Gavrichtchouk, O P (Dubna, JINR) ; Gerassimov, S (LPI, Moscow (main)) ; Giarra, J (Mainz U., Inst. Kernphys.) ; Giordano, F (Illinois U., Urbana) ; Gnesi, I (Turin U.) ; Gorzellik, M (Freiburg U.) ; Grabmuller, S (Munich, Tech. U.) ; Grasso, A (Turin U.) ; Grosse Perdekamp, M (Illinois U., Urbana) ; Grube, B (Munich, Tech. U.) ; Grussenmeyer, T (Freiburg U.) ; Guskov, A (Dubna, JINR) ; Haas, F (Munich, Tech. U.) ; Hahne, D (Bonn U.) ; Hamar, G (Trieste U.) ; von Harrach, D (Mainz U., Inst. Kernphys.) ; Heinsius, F H (Freiburg U.) ; Heitz, R (Illinois U., Urbana) ; Herrmann, F (Freiburg U.) ; Horikawa, N (Chubu U.) ; d'Hose, N (IRFU, Saclay) ; Hsieh, C-Y (National Central U., Jhongli) ; Huber, S (Munich, Tech. U.) ; Ishimoto, S (Yamagata U. KEK, Tsukuba) ; Ivanov, A (Turin U.) ; Ivanshin, Yu (Dubna, JINR) ; Iwata, T (Yamagata U.) ; Jary, V (CTU, Prague) ; Joosten, R (Bonn U., HISKP) ; Jorg, P (Freiburg U.) ; Kabuß, E (Mainz U., Inst. Kernphys.) ; Ketzer, B (Bonn U., HISKP) ; Khaustov, G V (Kurchatov Inst., Moscow) ; Khokhlov, Yu A (Moscow, MIPT) ; Kisselev, Yu (Dubna, JINR) ; Klein, F (Bonn U.) ; Klimaszewski, K (NCBJ, Swierk) ; Koivuniemi, J H (Ruhr U., Bochum, Inst. Expt. Phys.) ; Kolosov, V N (Kurchatov Inst., Moscow) ; Kondo, K (Yamagata U.) ; Konigsmann, K (Freiburg U.) ; Konorov, I (LPI, Moscow (main)) ; Konstantinov, V F (Kurchatov Inst., Moscow) ; Kotzinian, A M (Turin U.) ; Kouznetsov, O M (Dubna, JINR) ; Kramer, M (Munich, Tech. U.) ; Kremser, P (Freiburg U.) ; Krinner, F (Munich, Tech. U.) ; Kroumchtein, Z V (Dubna, JINR) ; Kulinich, Y (Illinois U., Urbana) ; Kunne, F (IRFU, Saclay) ; Kurek, K (NCBJ, Swierk) ; Kurjata, R P (Warsaw U. of Tech.) ; Lednev, A A (Kurchatov Inst., Moscow) ; Lehmann, A (U. Erlangen-Nuremberg (main)) ; Levillain, M (IRFU, Saclay) ; Levorato, S (INFN, Trieste) ; Lian, Y-S (Taiwan, Natl. Kaohsiung Normal U.) ; Lichtenstadt, J (Tel Aviv U.) ; Longo, R (Turin U.) ; Maggiora, A (INFN, Turin) ; Magnon, A (IRFU, Saclay) ; Makins, N (Illinois U., Urbana) ; Makke, N (Trieste U.) ; Mallot, G K (CERN) ; Marianski, B (NCBJ, Swierk) ; Martin, A (Trieste U.) ; Marzec, J (Warsaw U. of Tech.) ; Matousek, J (Charles U.) ; Matsuda, H (Yamagata U.) ; Matsuda, T (Miyazaki U.) ; Meshcheryakov, G V (Dubna, JINR) ; Meyer, M (Illinois U., Urbana) ; Meyer, W (Ruhr U., Bochum, Inst. Expt. Phys.) ; Mikhailov, Yu V (Kurchatov Inst., Moscow) ; Mikhasenko, M (Bonn U., HISKP) ; Mitrofanov, E (Dubna, JINR) ; Mitrofanov, N (Dubna, JINR) ; Miyachi, Y (Yamagata U.) ; Nagaytsev, A (Dubna, JINR) ; Nerling, F (Mainz U., Inst. Kernphys.) ; Neyret, D (IRFU, Saclay) ; Novy, J (CTU, Prague) ; Nowak, W-D (Mainz U., Inst. Kernphys.) ; Nukazuka, G (Yamagata U.) ; Nunes, A S (LIP, Lisbon) ; Olshevsky, A G (Dubna, JINR) ; Orlov, I (Dubna, JINR) ; Ostrick, M (Mainz U., Inst. Kernphys.) ; Panzieri, D (Piemonte Orientale U., Alessandria) ; Parsamyan, B (Turin U.) ; Paul, S (Munich, Tech. U.) ; Peng, J-C (Illinois U., Urbana) ; Pereira, F (Aveiro U.) ; Pesek, M (Charles U.) ; Peshekhonov, D V (Dubna, JINR) ; Pierre, N (Mainz U., Inst. Kernphys.) ; Platchkov, S (IRFU, 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 (IST, Lisbon (main)) ; Regali, C (Freiburg U.) ; Reicherz, G (Ruhr U., Bochum, Inst. Expt. Phys.) ; Riedl, C (Illinois U., Urbana) ; Roskot, M (Charles U.) ; Rossiyskaya, N S (Dubna, JINR) ; Ryabchikov, D I (Kurchatov Inst., Moscow) ; Rybnikov, A (Dubna, JINR) ; Rychter, A (Warsaw U. of Tech.) ; Salac, R (CTU, Prague) ; Samoylenko, V D (Kurchatov Inst., Moscow) ; Sandacz, A (NCBJ, Swierk) ; Santos, C (INFN, Trieste) ; Sarkar, S (Matrivani Inst., Calcutta) ; Savin, I A (Dubna, JINR) ; Sawada, T (Taiwan, Inst. Phys.) ; Sbrizzai, G (Trieste U.) ; Schiavon, P (Trieste U.) ; Schmidt, K (Freiburg U.) ; Schmieden, H (Bonn U.) ; Schonning, K (CERN) ; Seder, E (IRFU, Saclay) ; Selyunin, A (Dubna, JINR) ; Silva, L (LIP, Lisbon) ; Sinha, L (Matrivani Inst., Calcutta) ; Sirtl, S (Freiburg U.) ; Slunecka, M (Dubna, JINR) ; Smolik, J (Dubna, JINR) ; Srnka, A (Inst. Sci. Instruments, Brno) ; Steffen, D (CERN) ; Stolarski, M (LIP, Lisbon) ; Subrt, O (CERN) ; Sulc, M (Liberec Tech. U.) ; Suzuki, H (Chubu U.) ; Szabelski, A (NCBJ, Swierk) ; Szameitat, T (Freiburg U.) ; Sznajder, P (NCBJ, Swierk) ; Takekawa, S (Turin U.) ; Tasevsky, M (Dubna, JINR) ; Tessaro, S (INFN, Trieste) ; Tessarotto, F (INFN, Trieste) ; Thibaud, F (IRFU, Saclay) ; Thiel, A (Bonn U., HISKP) ; Tosello, F (INFN, Turin) ; Tskhay, V (LPI, Moscow (main)) ; Uhl, S (Munich, Tech. U.) ; Veloso, J (Aveiro U.) ; Virius, M (CTU, Prague) ; Vondra, J (CTU, Prague) ; Wallner, S (Munich, Tech. U.) ; Weisrock, T (Mainz U., Inst. Kernphys.) ; Wilfert, M (Mainz U., Inst. Kernphys.) ; ter Wolbeek, J (Freiburg U.) ; Zaremba, K (Warsaw U. of Tech.) ; Zavada, P (Dubna, JINR) ; Zavertyaev, M (LPI, Moscow (main)) ; Zemlyanichkina, E (Dubna, JINR) ; Zhuravlev, N (Dubna, JINR) ; Ziembicki, M (Warsaw U. of Tech.) ; Zink, A (U. Erlangen-Nuremberg (main))

Pages: 13

Abstract: Proton transverse-spin azimuthal asymmetries are extracted from the COMPASS 2010 semi-inclusive hadron measurements in deep inelastic muon-nucleon scattering in those four regions of the photon virtuality $Q^2$, which correspond to the four regions of the di-muon mass $\sqrt{Q^2}$ used in the ongoing analysis of the COMPASS Drell-Yan measurements. This allows for a future direct comparison of the nucleon transverse-momentum-dependent parton distribution functions extracted from these two alternative measurements. Various two-dimensional kinematic dependences are presented for the azimuthal asymmetries induced by the Sivers transverse-momentum-dependent parton distribution function. The integrated Sivers asymmetries are found to be positive with an accuracy that appears to be sufficient to test the sign change of the Sivers function predicted by Quantum Chromodynamics.

Web-Page: http://inspirehep.net/record/1487909/files/AUT_sinHmS_Zgt01_Pr10_2D_Q2-xzpt_NoTheor.png; http://inspirehep.net/record/1487909/files/AUT_sinHmS_Zgt01_Pr10_2D_zpt-Q2.png; http://inspirehep.net/record/1487909/files/xQ2histGvbxGvb_SIDIS_4RELEASE_NoInsert.png; http://inspirehep.net/record/1487909/files/AUT_sinHmS_Pr10_3Zin1.png; http://inspirehep.net/record/1487909/files/A8in4Q2range_Zgt01_Pr10.png; http://inspirehep.net/record/1487909/files/AUT_sinHmS_Zgt01_Pr10_2D_x-Q2.png; http://inspirehep.net/record/1487909/files/xQ2hist_SIDIS_4RELEASE_Insert.png; http://inspirehep.net/record/1487909/files/arXiv:1609.07374.pdf


Note: *Temporary entry*; 13 pages, 6 figures

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