Measurement of azimuthal hadron asymmetries in semi-inclusive deep inelastic scattering off unpolarised nucleons

von Hohenesche, N. du Fresne; Adolph, C.; Akhunzyanov, R.; Alexeev, M. G.; Alexandrov, Y.-U.; Alexeev, G. D.; Amoroso, A.; Alekseev, M. G.; Andrieux, V.; Anosov, V.; Austregesilo, A.; Badelek, B.; Balestra, F.; Barth, J.; Baum, G.; Beck, R.; Bedfer, Y.; Berlin, A.; Bernhard, J.; Bertini, R.; Bicker, K.; Bieling, J.; Birsa, R.; Bisplinghoff, J.; Bodlak, M.; Boer, M.; Bordalo, P.; Bradamante, F.; Braun, C.; Bravar, A.; Bressan, A.; Büchele, M.; Buchele, M.; Burtin, E.; Capozza, L.; Chiosso, M.; Buechele, M.; Chung, S. U.; Cicuttin, A.; Crespo, M. L.; Curiel, Q.; Dalla Torre, S.; Dasgupta, S. S.; Denisov, O. Y.-U.; Donskov, S. V.; Torre, S. Dalla; Doshita, N.; Duic, V.; Dünnweber, W.; Dziewiecki, M.; Efremov, A.; Dunnweber, W.; Elia, C.; Eversheim, P. D.; Eyrich, W.; Duennweber, W.; Faessler, M.; Ferrero, A.; Filin, A.; Finger, M.; Fischer, H.; Franco, C.; du Fresne von Hohenesche, N.; Finger jr, M.; Friedrich, J. M.; Frolov, V.; Garfagnini, R.; Gautheron, F.; Gavrichtchouk, O. P.; Gerassimov, S.; Geyer, R.; Giorgi, M.; Gnesi, I.; Gobbo, B.; Goertz, S.; Gorzellik, M.; Grabmüller, S.; Grasso, A.; Grube, B.; Guskov, A.; Guthörl, T.; Haas, F.; von Harrach, D.; Grabmueller, S.; Hahne, D.; Hashimoto, R.; Guthoerl, T.; Heinsius, F. H.; Herrmann, F.; Hinterberger, F.; Höppner, C.-H.; Horikawa, N.; d'Hose, N.; Huber, S.; Hoppner, C.-H.; Ishimoto, S.; Ivanov, A.; Ivanshin, Y.-U.; Iwata, T.; Jahn, R.; Jary, V.; Hoeppner, C.-H.; Jasinski, P.; Joerg, P.; Joosten, R.; Kabuss, E.; Kang, D.; Ketzer, B.; Khaustov, G. V.; Khokhlov, Y.-U. A.; Kisselev, Y.-U.; Klein, F.; Klimaszewski, K.; Koivuniemi, J. H.; Kolosov, V. N.; Kondo, K.; Königsmann, K.; Konorov, I.; Konstantinov, V. F.; Kotzinian, A. M.; Konigsmann, K.; Kouznetsov, O.; Kral, Z.; Krämer, M.; Kroumchtein, Z. V.; Kuchinski, N.; Kunne, F.; Kurek, K.; Koenigsmann, K.; Kurjata, R. P.; Lednev, A. A.; Lehmann, A.; Levorato, S.; Kramer, M.; Lichtenstadt, J.; Maggiora, A.; Magnon, A.; Makke, N.; Mallot, G. K.; Marchand, C.; Martin, A.; Marzec, J.; Matousek, J.; Matsuda, H.; Matsuda, T.; Kraemer, M.; Meshcheryakov, G.; Meyer, W.; Michigami, T.; Mikhailov, Yu-U. V.; Miyachi, Y.; Nagaytsev, A.; Nagel, T.; Nerling, F.; Neubert, S.; Neyret, D.; Nikolaenko, V. I.; Novy, J.; Nowak, W.-D.; Nunes, A. S.; Orlov, I.; Olshevsky, A. G.; Levillain, M.; Ostrick, M.; Panknin, R.; Panzieri, D.; Parsamyan, B.; Paul, S.; Pesek, M.; Peshekhonov, D.; Piragino, G.; Platchkov, S.; Pochodzalla, J.; Polak, J.; Polyakov, V. A.; Pretz, J.; Quaresma, M.; Quintans, C.; Ramos, S.; Reicherz, G.; Rocco, E.; Rodionov, V.; Rondio, E.; Rychter, A.; Rossiyskaya, N. S.; Ryabchikov, D. I.; Samoylenko, V. D.; Sandacz, A.; Sarkar, S.; Savin, I. A.; Sbrizzai, G.; Schiavon, P.; Schill, C.; Schlüter, T.; Schmidt, A.; Schmidt, K.; Schmieden, H.; Schönning, K.; Schopferer, S.; Schott, M.; Shevchenko, O. Y.-U.; Silva, L.; Schonning, K.; Sinha, L.; Sirtl, S.; Slunecka, M.; Sosio, S.; Schlueter, T.; Sozzi, F.; Srnka, A.; Steiger, L.; Stolarski, M.; Schoenning, K.; Sulc, M.; Sulej, R.; Suzuki, H.; Szableski, A.; Szameitat, T.; Sznajder, P.; Takekawa, S.; ter Wolbeek, J.; Tessaro, S.; Tessarotto, F.; Thibaud, F.; Uhl, S.; Uman, I.; Szabeleski, A.; Vandenbroucke, M.; Virius, M.; Vondra, J.; Wang, L.; Weisrock, T.; Wilfert, M.; Windmolders, R.; Wislicki, W.; Wollny, H.; Zaremba, K.; Zavertyaev, M.; Zemlyanichkina, E.; Ziembicki, M.; Compass, Collaboration

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Elsevier, Nuclear Physics B, (886), p. 1046-1077, 2014

DOI: 10.1016/j.nuclphysb.2014.07.019

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Measurement of azimuthal hadron asymmetries in semi-inclusive deep inelastic scattering off unpolarised nucleons

Journal article published in 2014 by N. du Fresne von Hohenesche, C. Adolph, R. Akhunzyanov, M. G. Alexeev, Y.-U. Alexandrov, G. D. Alexeev, A. Amoroso, M. G. Alekseev, V. Andrieux, V. Anosov, A. Austregesilo, B. Badelek, F. Balestra, J. Barth, G. Baum and other authors.

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Abstract

Spin-averaged asymmetries in the azimuthal distributions of positive and negative hadrons produced in deep inelastic scattering were measured using the CERN SPS longitudinally polarised muon beam at 160 GeV/c160 GeV/c and a 6LiD target. The amplitudes of the three azimuthal modulations cos⁡ϕhcos⁡ϕh, cos⁡2ϕhcos⁡2ϕh and sin⁡ϕhsin⁡ϕh were obtained binning the data separately in each of the relevant kinematic variables x , z or View the MathML sourcepTh and binning in a three-dimensional grid of these three variables. The amplitudes of the cos⁡ϕhcos⁡ϕh and cos⁡2ϕhcos⁡2ϕh modulations show strong kinematic dependencies both for positive and negative hadrons.

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Measurement of azimuthal hadron asymmetries in semi-inclusive deep inelastic scattering off unpolarised nucleons

Abstract