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Article
Report number arXiv:1202.6150 ; CERN-PH-EP-2012-053 ; CERN-PH-EP-2012-053
Title Transverse spin effects in hadron-pair production from semi-inclusive deep inelastic scattering
Author(s)

Adolph, C. (Erlangen - Nuremberg U.) ; Alekseev, M.G. (INFN, Turin) ; Alexakhin, V.Yu. (Dubna, JINR) ; Alexeev, G.D. (Dubna, JINR) ; Amoroso, A. (Turin U.) ; Antonov, A.A. (Dubna, JINR) ; Badelek, B. (Warsaw, Inst. Nucl. Studies ; Warsaw U.) ; Balestra, F. (Turin U.) ; Barth, J. (Bonn U.) ; Baum, G. (Bielefeld U.) ; Bedfer, Y. (Saclay) ; Bernhard, J. (Mainz U., Inst. Kernphys.) ; Bertini, R. (Turin U.) ; Bettinelli, M. (Munich U.) ; Bieling, J. (Bonn U.) ; Birsa, R. (INFN, Trieste) ; Bisplinghoff, J. (Bonn U., HISKP) ; Bordalo, P. (LIP, Lisbon) ; Bradamante, F. (Trieste U.) ; Braun, C. (Erlangen - Nuremberg U.) ; Bravar, A. (INFN, Trieste) ; Bressan, A. (Trieste U.) ; Burtin, E. (Saclay) ; Chaberny, D. (Mainz U., Inst. Kernphys.) ; Chiosso, M. (Turin U.) ; Chung, S.U. (Munich, Tech. U.) ; Cicuttin, A. (ICTP, Trieste) ; Crespo, M.L. (ICTP, Trieste) ; Dalla Torre, S. (INFN, Trieste) ; Das, S. (Matrivani Inst., Calcutta) ; Dasgupta, S.S. (Matrivani Inst., Calcutta) ; Dhara, L. (Matrivani Inst., Calcutta) ; Donskov, S.V. (Dubna U., Protvino Branch) ; Duic, V. (Trieste U.) ; Dunnweber, W. (Munich U.) ; Dziewiecki, M. (Warsaw U. of Tech.) ; Efremov, A. (Dubna, JINR) ; Elia, C. (Trieste U.) ; Eversheim, P.D. (Bonn U., HISKP) ; Eyrich, W. (Erlangen - Nuremberg U.) ; Faessler, M. (Munich U.) ; Ferrero, A. (Saclay) ; Filin, A. (Dubna U., Protvino Branch) ; Finger, M. (Charles U.) ; Finger, Michael, Jr. (Dubna, JINR) ; Fischer, H. (Freiburg U.) ; Franco, C. (LIP, Lisbon) ; Friedrich, J.M. (Munich, Tech. U.) ; Garfagnini, R. (Turin U.) ; Gautheron, F. (Ruhr U., Bochum) ; Gavrichtchouk, O.P. (Dubna, JINR) ; Gazda, R. (Warsaw, Inst. Nucl. Studies ; Warsaw U.) ; Geyer, R. (Munich U.) ; Giorgi, M. (Trieste U.) ; Gnesi, I. (Turin U.) ; Gobbo, B. (INFN, Trieste) ; Grabmuller, S. (Munich, Tech. U.) ; Grasso, A. (Turin U.) ; Grube, B. (Munich, Tech. U.) ; Gushterski, R. (Dubna, JINR) ; Guskov, A. (Dubna, JINR) ; Guthorl, T. (Freiburg U.) ; Haas, F. (Munich, Tech. U.) ; von Harrach, D. (Mainz U., Inst. Kernphys.) ; Heinsius, F.H. (Freiburg U.) ; Herrmann, F. (Freiburg U.) ; Hess, C. (Ruhr U., Bochum) ; Hinterberger, F. (Bonn U., HISKP) ; Horikawa, N. (Nagoya U.) ; Hoppner, Ch. (Munich, Tech. U.) ; d'Hose, N. (Saclay) ; Huber, S. (Munich, Tech. U.) ; Ishimoto, S. (Nagoya U.) ; Ivanov, O. (Dubna, JINR) ; Ivanshin, Yu. (Dubna, JINR) ; Iwata, T. (Yamagata U.) ; Jahn, R. (Bonn U., HISKP) ; Jasinski, P. (Mainz U., Inst. Kernphys.) ; Joosten, R. (Bonn U., HISKP) ; Kabuss, E. (Mainz U., Inst. Kernphys.) ; Kang, D. (Mainz U., Inst. Kernphys.) ; Ketzer, B. (Munich, Tech. U.) ; Khaustov, G.V. (Dubna U., Protvino Branch) ; Khokhlov, Yu.A. (Dubna U., Protvino Branch) ; Kisselev, Yu. (Ruhr U., Bochum) ; Klein, F. (Bonn U.) ; Klimaszewski, K. (Warsaw, Inst. Nucl. Studies ; Warsaw U.) ; Koblitz, S. (Mainz U., Inst. Kernphys.) ; Koivuniemi, J.H. (Ruhr U., Bochum) ; Kolosov, V.N. (Dubna U., Protvino Branch) ; Konigsmann, K. (Freiburg U.) ; Konstantinov, V.F. (Dubna U., Protvino Branch) ; Korzenev, A. (Saclay) ; Kotzinian, A.M. (Turin U.) ; Kramer, M. (Munich, Tech. U.) ; Kroumchtein, Z.V. (Dubna, JINR) ; Kunne, F. (Saclay) ; Kurek, K. (Warsaw, Inst. Nucl. Studies ; Warsaw U.) ; Lauser, L. (Freiburg U.) ; Lednev, A.A. (Dubna U., Protvino Branch) ; Lehmann, A. (Erlangen - Nuremberg U.) ; Levorato, S. (Trieste U.) ; Lichtenstadt, J. (Tel Aviv U.) ; Maggiora, A. (INFN, Turin) ; Magnon, A. (Saclay) ; Makke, N. (Saclay) ; Mallot, G.K. (CERN) ; Mann, A. (Munich, Tech. U.) ; Marchand, C. (Saclay) ; Martin, A. (Trieste U.) ; Marzec, J. (Warsaw U. of Tech.) ; Massmann, F. (Bonn U., HISKP) ; Matsuda, T. (Miyazaki U.) ; Meyer, W. (Ruhr U., Bochum) ; Michigami, T. (Yamagata U.) ; Mikhailov, Yu.V. (Dubna U., Protvino Branch) ; Moinester, M.A. (Tel Aviv U.) ; Morreale, A. (Saclay) ; Nagaytsev, A. (Dubna, JINR) ; Nagel, T. (Munich, Tech. U.) ; Nerling, F. (Freiburg U.) ; Neubert, S. (Munich, Tech. U.) ; Neyret, D. (Saclay) ; Nikolaenko, V.I. (Dubna U., Protvino Branch) ; Nowak, W.D. (Freiburg U.) ; Nunes, A.S. (LIP, Lisbon) ; Olshevsky, A.G. (Dubna, JINR) ; Ostrick, M. (Mainz U., Inst. Kernphys.) ; Padee, A. (Warsaw U. of Tech.) ; Panknin, R. (Bonn U.) ; Panzieri, D. (Piemonte Orientale U., Alessandria ; INFN, Turin) ; Parsamyan, B. (Turin U.) ; Paul, S. (Munich, Tech. U.) ; Perevalova, E. (Dubna, JINR) ; Pesaro, G. (Trieste U.) ; Peshekhonov, D.V. (Dubna, JINR) ; Piragino, G. (Turin U.) ; Platchkov, S. (Saclay) ; Pochodzalla, J. (Mainz U., Inst. Kernphys.) ; Polyakov, V.A. (Dubna U., Protvino Branch) ; Pontecorvo, G. (Dubna, JINR) ; Pretz, J. (Bonn U.) ; Quaresma, M. (LIP, Lisbon) ; Quintans, C. (LIP, Lisbon) ; Rajotte, J.F. (Munich U.) ; Ramos, S. (LIP, Lisbon) ; Rapatsky, V. (Dubna, JINR) ; Reicherz, G. (Ruhr U., Bochum) ; Richter, A. (Erlangen - Nuremberg U.) ; Rondio, E. (Warsaw, Inst. Nucl. Studies ; Warsaw U.) ; Rossiyskaya, N.S. (Dubna, JINR) ; Ryabchikov, D.I. (Dubna U., Protvino Branch) ; Samoylenko, V.D. (Dubna U., Protvino Branch) ; Sandacz, A. (Warsaw, Inst. Nucl. Studies ; Warsaw U.) ; Sapozhnikov, M.G. (Dubna, JINR) ; Sarkar, S. (Matrivani Inst., Calcutta) ; Savin, I.A. (Dubna, JINR) ; Sbrizzai, G. (Trieste U.) ; Schiavon, P. (Trieste U.) ; Schill, C. (Freiburg U.) ; Schluter, T. (Munich U.) ; Schmidt, K. (Freiburg U.) ; Schmitt, L. (Munich, Tech. U.) ; Schonning, K. (CERN) ; Schopferer, S. (Freiburg U.) ; Schott, M. (CERN) ; Shevchenko, O.Yu. (Dubna, JINR) ; Silva, L. (LIP, Lisbon) ; Sinha, L. (Matrivani Inst., Calcutta) ; Slunecka, M. (Dubna, JINR) ; Smirnov, G.I. (Dubna, JINR) ; Sosio, S. (Turin U.) ; Sozzi, F. (INFN, Trieste) ; Srnka, A. (Brno Tech. U.) ; Stolarski, M. (LIP, Lisbon) ; Sulc, M. (Liberec Tech. U.) ; Sulej, R. (Warsaw, Inst. Nucl. Studies ; Warsaw U.) ; Sznajder, P. (Warsaw, Inst. Nucl. Studies ; Warsaw U.) ; Takekawa, S. (Trieste U.) ; Wolbeek, J.Ter (Freiburg U.) ; Tessaro, S. (INFN, Trieste) ; Tessarotto, F. (INFN, Trieste) ; Teufel, A. (Erlangen - Nuremberg U.) ; Tkatchev, L.G. (Dubna, JINR) ; Uhl, S. (Munich, Tech. U.) ; Uman, I. (Munich U.) ; Vandenbroucke, M. (Saclay) ; Virius, M. (Prague, Tech. U.) ; Vlassov, N.V. (Dubna, JINR) ; Vossen, A. (Freiburg U.) ; Wang, L. (Ruhr U., Bochum) ; Windmolders, R. (Bonn U.) ; Wislicki, W. (Warsaw, Inst. Nucl. Studies ; Warsaw U.) ; Zaremba, K. (Warsaw U. of Tech.) ; Zavertyaev, M. (Lebedev Inst.) ; Zemlyanichkina, E. (Dubna, JINR) ; Ziembicki, M. (Warsaw U. of Tech.) ; Zhuravlev, N. (Dubna, JINR) ; Zvyagin, A. (Munich U.)

Publication 2012-06-18
Imprint 18 Feb 2012
Number of pages 13
Note Comments: 13 pages, 4 figures
13 pages, 4 figures, updated to the published version
In: Phys. Lett. B 713 (2012) 10-16
DOI 10.1016/j.physletb.2012.05.015
Subject category Particle Physics - Experiment
Accelerator/Facility, Experiment CERN SPS ; COMPASS NA58
Free keywords electroweak interaction ; QCD ; polarization ; hard scattering ; experimental results
Abstract First measurements of azimuthal asymmetries in hadron-pair production in deep-inelastic scattering of muons on transversely polarised ^6LiD (deuteron) and NH_3 (proton) targets are presented. The data were taken in the years 2002-2004 and 2007 with the COMPASS spectrometer using a muon beam of 160 GeV/c at the CERN SPS. The asymmetries provide access to the transversity distribution functions, without involving the Collins effect as in single hadron production. The sizeable asymmetries measured on the NH_ target indicate non-vanishing u-quark transversity and two-hadron interference fragmentation functions. The small asymmetries measured on the ^6LiD target can be interpreted as indication for a cancellation of u- and d-quark transversities.
Copyright/License publication: © 2012-2025 CERN (License: CC-BY-3.0)
© 2012-2025 CERN (License: CC-BY-3.0)

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 Notice créée le 2012-02-18, modifiée le 2025-02-08


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CERN-PH-EP-2012-053 - Télécharger le documentPDF
arXiv:1202.6150 - Télécharger le documentPDF
S0370269312005321 - Télécharger le documentXML
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