Experimental investigation of transverse spin asymmetries in muon-p SIDIS processes: Sivers asymmetries

Adolph C, Alekseev MG, Alexakhin VY, Alexandrov Y, Alexeev GD, Amoroso A, Antonov AA, Austregesilo A, Badelek B, Balestra F, Barth J, et al. (2012)
Phys.Lett. B 717(4-5): 383-389.

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Abstract
The COMPASS Collaboration at CERN has measured the transverse spin azimuthalasymmetry of charged hadrons produced in semi-inclusive deep inelasticscattering using a 160 GeV positive muon beam and a transversely polarised NH_3target. The Sivers asymmetry of the proton has been extracted in the Bjorken xrange 0.003 0.03. The asymmetry isdifferent from zero and positive also in the low x region, where sea-quarksdominate. The kinematic dependence of the asymmetry has also been investigatedand results are given for various intervals of hadron and virtual photonfractional energy. In contrast to the case of the Collins asymmetry, theresults on the Sivers asymmetry suggest a strong dependence on thefour-momentum transfer to the nucleon, in agreement with the most recentcalculations.
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Adolph C, Alekseev MG, Alexakhin VY, et al. Experimental investigation of transverse spin asymmetries in muon-p SIDIS processes: Sivers asymmetries. Phys.Lett. B. 2012;717(4-5):383-389.
Adolph, C., Alekseev, M. G., Alexakhin, V. Y., Alexandrov, Y., Alexeev, G. D., Amoroso, A., Antonov, A. A., et al. (2012). Experimental investigation of transverse spin asymmetries in muon-p SIDIS processes: Sivers asymmetries. Phys.Lett. B, 717(4-5), 383-389.
Adolph, C., Alekseev, M. G., Alexakhin, V. Y., Alexandrov, Y., Alexeev, G. D., Amoroso, A., Antonov, A. A., Austregesilo, A., Badelek, B., Balestra, F., et al. (2012). Experimental investigation of transverse spin asymmetries in muon-p SIDIS processes: Sivers asymmetries. Phys.Lett. B 717, 383-389.
Adolph, C., et al., 2012. Experimental investigation of transverse spin asymmetries in muon-p SIDIS processes: Sivers asymmetries. Phys.Lett. B, 717(4-5), p 383-389.
C. Adolph, et al., “Experimental investigation of transverse spin asymmetries in muon-p SIDIS processes: Sivers asymmetries”, Phys.Lett. B, vol. 717, 2012, pp. 383-389.
Adolph, C., Alekseev, M.G., Alexakhin, V.Y., Alexandrov, Y., Alexeev, G.D., Amoroso, A., Antonov, A.A., Austregesilo, A., Badelek, B., Balestra, F., Barth, J., Baum, G., Bedfer, Y., Bernhard, J., Bertini, R., Bettinelli, M., Bicker, K., Bieling, J., Birsa, R., Bisplinghoff, J., Bordalo, P., Bradamante, F., Braun, C., Bravar, A., Bressan, A., Burtin, E., Capozza, L., Chiosso, M., Chung, S.U., Cicuttin, A., Crespo, M.L., Torre, S.D., Das, S., Dasgupta, S.S., Dasgupta, S., Denisov, O.Y., Dhara, L., Donskov, S.V., Doshita, N., Duic, V., Duennweber, W., Dziewiecki, M., Efremov, A., Elia, C., Eversheim, P.D., Eyrich, W., Faessler, M., Ferrero, A., Filin, A., Finger, M., jr., M.F., Fischer, H., Franco, C., Hohenesche, N. du F. von, Friedrich, J.M., Frolov, V., Garfagnini, R., Gautheron, F., Gavrichtchouk, O.P., Gerassimov, S., Geyer, R., Giorgi, M., Gnesi, I., Gobbo, B., Goertz, S., Grabmueller, S., Grasso, A., Grube, B., Gushterski, R., Guskov, A., Guthoerl, T., Haas, F., Harrach, D. von, Heinsius, F.H., Herrmann, F., Hess, C., Hinterberger, F., Horikawa, N., Hoeppner, C., d'Hose, N., Ishimoto, S., Ivanov, O., Ivanshin, Y., Iwata, T., Jahn, R., Jary, V., Jasinski, P., Joosten, R., Kabuss, E., Kang, D., Ketzer, B., Khaustov, G.V., Khokhlov, Y.A., Kisselev, Y., Klein, F., Klimaszewski, K., Koblitz, S., Koivuniemi, J.H., Kolosov, V.N., Kondo, K., Koenigsmann, K., Konorov, I., Konstantinov, V.F., Korzenev, A., Kotzinian, A.M., Kouznetsov, O., Kraemer, M., Kroumchtein, Z.V., Kunne, F., Kurek, K., Lauser, L., Lednev, A.A., Lehmann, A., Levorato, S., Lichtenstadt, J., Liska, T., Maggiora, A., Magnon, A., Makke, N., Mallot, G.K., Mann, A., Marchand, C., Martin, A., Marzec, J., Matsuda, T., Meshcheryakov, G., Meyer, W., Michigami, T., Mikhailov, Y.V., Moinester, M.A., Morreale, A., Mutter, A., Nagaytsev, A., Nagel, T., Negrini, T., Nerling, F., Neubert, S., Neyret, D., Nikolaenko, V.I., Nowak, W.D., Nunes, A.S., Olshevsky, A.G., Ostrick, M., Padee, A., Panknin, R., Panzieri, D., Parsamyan, B., Paul, S., Perevalova, E., Pesaro, G., Peshekhonov, D.V., Piragino, G., Platchkov, S., Pochodzalla, J., Polak, J., Polyakov, V.A., Pretz, J., Quaresma, M., Quintans, C., Rajotte, J.-F., Ramos, S., Rapatsky, V., Reicherz, G., Richter, A., Rocco, E., Rondio, E., Rossiyskaya, N.S., Ryabchikov, D.I., Samoylenko, V.D., Sandacz, A., Sapozhnikov, M.G., Sarkar, S., Savin, I.A., Sbrizzai, G., Schiavon, P., Schill, C., Schlueter, T., Schmidt, K., Schmitt, L., Schoenning, K., Schopferer, S., Schott, M., Schroeder, W., Shevchenko, O.Y., Silva, L., Sinha, L., Sissakian, A.N., Slunecka, M., Smirnov, G.I., Sosio, S., Sozzi, F., Srnka, A., Steiger, L., Stolarski, M., Sulc, M., Sulej, R., Suzuki, H., Sznajder, P., Takekawa, S., Wolbeek, J.T., Tessaro, S., Tessarotto, F., Tkatchev, L.G., Uhl, S., Uman, I., Vandenbroucke, M., Virius, M., Vlassov, N.V., Wang, L., Wilfert, M., Windmolders, R., Wislicki, W., Wollny, H., Zaremba, K., Zavertyaev, M., Zemlyanichkina, E., Ziembicki, M., Zhuravlev, N., Zvyagin, A.: Experimental investigation of transverse spin asymmetries in muon-p SIDIS processes: Sivers asymmetries. Phys.Lett. B. 717, 383-389 (2012).
Adolph, C., Alekseev, M. G., Alexakhin, V. Yu., Alexandrov, Yu., Alexeev, G. D., Amoroso, A., Antonov, A. A., Austregesilo, A., Badelek, B., Balestra, F., Barth, J., Baum, Günter, Bedfer, Y., Bernhard, J., Bertini, R., Bettinelli, M., Bicker, K., Bieling, J., Birsa, R., Bisplinghoff, J., Bordalo, P., Bradamante, F., Braun, C., Bravar, A., Bressan, A., Burtin, E., Capozza, L., Chiosso, M., Chung, S. U., Cicuttin, A., Crespo, M. L., Torre, S. Dalla, Das, S., Dasgupta, S. S., Dasgupta, S., Denisov, O. Yu., Dhara, L., Donskov, S. V., Doshita, N., Duic, V., Duennweber, W., Dziewiecki, M., Efremov, A., Elia, C., Eversheim, P. D., Eyrich, W., Faessler, M., Ferrero, A., Filin, A., Finger, M., jr., M. Finger, Fischer, H., Franco, C., Hohenesche, N. du Fresne von, Friedrich, J. M., Frolov, V., Garfagnini, R., Gautheron, F., Gavrichtchouk, O. P., Gerassimov, S., Geyer, R., Giorgi, M., Gnesi, I., Gobbo, B., Goertz, S., Grabmueller, S., Grasso, A., Grube, B., Gushterski, R., Guskov, A., Guthoerl, T., Haas, F., Harrach, D. von, Heinsius, F. H., Herrmann, F., Hess, C., Hinterberger, F., Horikawa, N., Hoeppner, Ch., d'Hose, N., Ishimoto, S., Ivanov, O., Ivanshin, Yu., Iwata, T., Jahn, R., Jary, V., Jasinski, P., Joosten, R., Kabuss, E., Kang, D., Ketzer, B., Khaustov, G. V., Khokhlov, Yu. A., Kisselev, Yu., Klein, F., Klimaszewski, K., Koblitz, S., Koivuniemi, J. H., Kolosov, V. N., Kondo, K., Koenigsmann, K., Konorov, I., Konstantinov, V. F., Korzenev, A., Kotzinian, A. M., Kouznetsov, O., Kraemer, M., Kroumchtein, Z. V., Kunne, F., Kurek, K., Lauser, L., Lednev, A. A., Lehmann, A., Levorato, S., Lichtenstadt, J., Liska, T., Maggiora, A., Magnon, A., Makke, N., Mallot, G. K., Mann, A., Marchand, C., Martin, A., Marzec, J., Matsuda, T., Meshcheryakov, G., Meyer, W., Michigami, T., Mikhailov, Yu. V., Moinester, M. A., Morreale, A., Mutter, A., Nagaytsev, A., Nagel, T., Negrini, T., Nerling, F., Neubert, S., Neyret, D., Nikolaenko, V. I., Nowak, W. D., Nunes, A. S., Olshevsky, A. G., Ostrick, M., Padee, A., Panknin, R., Panzieri, D., Parsamyan, B., Paul, S., Perevalova, E., Pesaro, G., Peshekhonov, D. V., Piragino, G., Platchkov, S., Pochodzalla, J., Polak, J., Polyakov, V. A., Pretz, J., Quaresma, M., Quintans, C., Rajotte, J. -F., Ramos, S., Rapatsky, V., Reicherz, G., Richter, A., Rocco, E., Rondio, E., Rossiyskaya, N. S., Ryabchikov, D. I., Samoylenko, V. D., Sandacz, A., Sapozhnikov, M. G., Sarkar, S., Savin, I. A., Sbrizzai, G., Schiavon, P., Schill, C., Schlueter, T., Schmidt, K., Schmitt, L., Schoenning, K., Schopferer, S., Schott, M., Schroeder, W., Shevchenko, O. Yu., Silva, L., Sinha, L., Sissakian, A. N., Slunecka, M., Smirnov, G. I., Sosio, S., Sozzi, F., Srnka, A., Steiger, L., Stolarski, M., Sulc, M., Sulej, R., Suzuki, H., Sznajder, P., Takekawa, S., Wolbeek, J. Ter, Tessaro, S., Tessarotto, F., Tkatchev, L. G., Uhl, S., Uman, I., Vandenbroucke, M., Virius, M., Vlassov, N. V., Wang, L., Wilfert, M., Windmolders, R., Wislicki, W., Wollny, H., Zaremba, K., Zavertyaev, M., Zemlyanichkina, E., Ziembicki, M., Zhuravlev, N., and Zvyagin, A. “Experimental investigation of transverse spin asymmetries in muon-p SIDIS processes: Sivers asymmetries”. Phys.Lett. B 717.4-5 (2012): 383-389.
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