A high-statistics measurement of transverse spin effects in dihadron production from muon\u2013proton semi-inclusive deep-inelastic scattering
- Adolph, C.
- Akhunzyanov, R.
- Alekseev, M.G.
- Alexandrov, Yu.
- Alexeev, G.D.
- Amoroso, A.
- Andrieux, V.
- Anosov, V.
- Austregesilo, A.
- Bade\u142ek, 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.
- B\ufcchele, M.
- Burtin, E.
- Capozza, L.
- Chiosso, M.
- Chung, S.U.
- Cicuttin, A.
- Crespo, M.L.
- Curiel, Q.
- Dalla Torre, S.
- Dasgupta, S.S.
- Dasgupta, S.
- Denisov, O.Yu.
- Donskov, S.V.
- Doshita, N.
- Duic, V.
- D\ufcnnweber, W.
- Dziewiecki, M.
- Efremov, A.
- Elia, C.
- Eversheim, P.D.
- Eyrich, W.
- Faessler, M.
- Ferrero, A.
- Filin, A.
- Finger, M.
- Finger, M.
- Fischer, H.
- Franco, C.
- du Fresne von Hohenesche, N.
- 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.
- Grabm\ufcller, S.
- Grasso, A.
- Grube, B.
- Guskov, A.
- Guth\uf6rl, T.
- Haas, F.
- von Harrach, D.
- Hahne, D.
- Hashimoto, R.
- Heinsius, F.H.
- Herrmann, F.
- Hinterberger, F.
- H\uf6ppner, Ch.
- Horikawa, N.
- D'Hose, N.
- Huber, S.
- Ishimoto, S.
- Ivanov, A.
- Ivanshin, Yu.
- Iwata, T.
- Jahn, R.
- Jary, V.
- Jasinski, P.
- Joerg, P.
- Joosten, R.
- Kabu f, E.
- Kang, D.
- Ketzer, B.
- Khaustov, G.V.
- Khokhlov, Yu.A.
- Kisselev, Yu.
- Klein, F.
- Klimaszewski, K.
- Koivuniemi, J.H.
- Kolosov, V.N.
- Kondo, K.
- K\uf6nigsmann, K.
- Konorov, I.
- Konstantinov, V.F.
- Kotzinian, A.M.
- Kouznetsov, O.
- Kral, Z.
- Kr\ue4mer, M.
- Kroumchtein, Z.V.
- Kuchinski, N.
- Kunne, F.
- Kurek, K.
- Kurjata, R.P.
- Lednev, A.A.
- Lehmann, A.
- Levorato, S.
- Lichtenstadt, J.
- Maggiora, A.
- Magnon, A.
- Makke, N.
- Mallot, G.K.
- Marchand, C.
- Martin, A.
- Marzec, J.
- Matousek, J.
- Matsuda, H.
- Matsuda, T.
- Meshcheryakov, G.
- Meyer, W.
- Michigami, T.
- Mikhailov, Yu.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.
- 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.
- Schl\ufcter, T.
- Schmidt, A.
- Schmidt, K.
- Schmieden, H.
- Sch\uf6nning, K.
- Schopferer, S.
- Schott, M.
- Shevchenko, O.Yu.
- Silva, L.
- Sinha, L.
- Sirtl, S.
- Slunecka, M.
- Sosio, S.
- Sozzi, F.
- Srnka, A.
- Steiger, L.
- Stolarski, M.
- Sulc, M.
- Sulej, R.
- Suzuki, H.
- Szabelski, A.
- Szameitat, T.
- Sznajder, P.
- Takekawa, S.
- ter Wolbeek, J.
- Tessaro, S.
- Tessarotto, F.
- Thibaud, F.
- Uhl, S.
- Uman, I.
- Vandenbroucke, M.
- Virius, M.
- Vondra, J.
- Wang, L.
- Weisrock, T.
- Wilfert, M.
- Windmolders, R.
- Wi\u15blicki, W.
- Wollny, H.
- Zaremba, K.
- Zavertyaev, M.
- Zemlyanichkina, E.
- Ziembicki, M.
DOIAbstract
A measurement of the azimuthal asymmetry in dihadron production in deep-inelastic scattering of muons on transversely polarised proton (NH3) targets is presented. They provide independent access to the transversity distribution functions through the measurement of the Collins asymmetry in single hadron production. The data were taken in the year 2010 with the COMPASS spectrometer using a 160 GeV/c160 GeV/c muon beam of the CERN SPS, increasing by a factor of about four the overall statistics with respect to the previously published data taken in the year 2007. The measured sizeable asymmetry is in good agreement with the published data. An approximate equality of the Collins asymmetry and the dihadron asymmetry is observed, suggesting a com...
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