II – Experimental investigation of transverse spin asymmetries in μ-p SIDIS processes: Sivers asymmetries
The COMPASS Collaboration at CERN has measured the transverse spin azimuthal asymmetry of charged hadrons produced in semi-inclusive deep inelastic scattering using a 160 GeV mu + beam and a transversely polarised NH3 target. The Sivers asymmetry of the proton has been extracted in the Bjorken x ran...
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| Veröffentlicht in: | Physics letters. B 2012-10, Vol.717 (4-5), p.383-389 |
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| creator | Adolph, C. Alekseev, M.G. Alexakhin, V.Yu Alexandrov, Yu Alexeev, G.D. Amoroso, A. Antonov, A.A. Austregesilo, A. Badełek, 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. Büchele, M. Burtin, E. Capozza, L. Chiosso, M. Chung, S.U. Cicuttin, A. Crespo, M.L. Dalla Torre, S. Das, S. Dasgupta, S.S. Dasgupta, S. Denisov, O.Yu Dhara, L. Donskov, S.V. Doshita, N. Duic, V. Dünnweber, 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. Grabmüller, S. Grasso, A. Grube, B. Gushterski, R. Guskov, A. Guthörl, T. Haas, F. von Harrach, D. Heinsius, F.H. Herrmann, F. Heß, C. Hinterberger, F. Horikawa, N. Höppner, Ch dʼHose, N. Huber, S. 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. |
| description | The COMPASS Collaboration at CERN has measured the transverse spin azimuthal asymmetry of charged hadrons produced in semi-inclusive deep inelastic scattering using a 160 GeV mu + beam and a transversely polarised NH3 target. The Sivers asymmetry of the proton has been extracted in the Bjorken x range 0.003 0.03 . The asymmetry is different from zero and positive also in the low x region, where sea-quarks dominate. The kinematic dependence of the asymmetry has also been investigated and results are given for various intervals of hadron and virtual photon fractional energy. In contrast to the case of the Collins asymmetry, the results on the Sivers asymmetry suggest a strong dependence on the four-momentum transfer to the nucleon, in agreement with the most recent calculations. |
| doi_str_mv | 10.1016/j.physletb.2012.09.056 |
| format | Article |
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B</title><description>The COMPASS Collaboration at CERN has measured the transverse spin azimuthal asymmetry of charged hadrons produced in semi-inclusive deep inelastic scattering using a 160 GeV mu + beam and a transversely polarised NH3 target. The Sivers asymmetry of the proton has been extracted in the Bjorken x range 0.003 0.03 . The asymmetry is different from zero and positive also in the low x region, where sea-quarks dominate. The kinematic dependence of the asymmetry has also been investigated and results are given for various intervals of hadron and virtual photon fractional energy. 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S.</creator><creator>Koivuniemi, J.H.</creator><general>Elsevier</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7U9</scope><scope>H94</scope><scope>1XC</scope><scope>VOOES</scope><orcidid>https://orcid.org/0000-0002-3418-7251</orcidid><orcidid>https://orcid.org/0000-0003-3623-213X</orcidid><orcidid>https://orcid.org/0000-0002-4613-7956</orcidid><orcidid>https://orcid.org/0000-0002-2787-4221</orcidid><orcidid>https://orcid.org/0000-0003-3654-1602</orcidid></search><sort><creationdate>20121031</creationdate><title>II – Experimental investigation of transverse spin asymmetries in μ-p SIDIS processes: Sivers asymmetries</title><author>Adolph, C. ; Alekseev, M.G. ; Alexakhin, V.Yu ; Alexandrov, Yu ; Alexeev, G.D. ; Amoroso, A. ; Antonov, A.A. ; Austregesilo, A. ; Badełek, 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. ; Büchele, M. ; Burtin, E. ; Capozza, L. ; Chiosso, M. ; Chung, S.U. ; Cicuttin, A. ; Crespo, M.L. ; Dalla Torre, S. ; Das, S. ; Dasgupta, S.S. ; Dasgupta, S. ; Denisov, O.Yu ; Dhara, L. ; Donskov, S.V. ; Doshita, N. ; Duic, V. ; Dünnweber, 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. ; Grabmüller, S. ; Grasso, A. ; Grube, B. ; Gushterski, R. ; Guskov, A. ; Guthörl, T. ; Haas, F. ; von Harrach, D. ; Heinsius, F.H. ; Herrmann, F. ; Heß, C. ; Hinterberger, F. ; Horikawa, N. ; Höppner, Ch ; dʼHose, N. ; Huber, S. ; 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.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c370t-5c2ca359e3942064ee92d70ba0a94bd8bcedb061837224a71e3edcadfc4d66c63</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2012</creationdate><topic>Nuclear Experiment</topic><topic>Physics</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Adolph, C.</creatorcontrib><creatorcontrib>Alekseev, M.G.</creatorcontrib><creatorcontrib>Alexakhin, V.Yu</creatorcontrib><creatorcontrib>Alexandrov, Yu</creatorcontrib><creatorcontrib>Alexeev, G.D.</creatorcontrib><creatorcontrib>Amoroso, A.</creatorcontrib><creatorcontrib>Antonov, A.A.</creatorcontrib><creatorcontrib>Austregesilo, A.</creatorcontrib><creatorcontrib>Badełek, B.</creatorcontrib><creatorcontrib>Balestra, F.</creatorcontrib><creatorcontrib>Barth, J.</creatorcontrib><creatorcontrib>Baum, G.</creatorcontrib><creatorcontrib>Bedfer, Y.</creatorcontrib><creatorcontrib>Bernhard, J.</creatorcontrib><creatorcontrib>Bertini, R.</creatorcontrib><creatorcontrib>Bettinelli, M.</creatorcontrib><creatorcontrib>Bicker, K.</creatorcontrib><creatorcontrib>Bieling, J.</creatorcontrib><creatorcontrib>Birsa, R.</creatorcontrib><creatorcontrib>Bisplinghoff, J.</creatorcontrib><creatorcontrib>Bordalo, P.</creatorcontrib><creatorcontrib>Bradamante, F.</creatorcontrib><creatorcontrib>Braun, C.</creatorcontrib><creatorcontrib>Bravar, A.</creatorcontrib><creatorcontrib>Bressan, A.</creatorcontrib><creatorcontrib>Büchele, M.</creatorcontrib><creatorcontrib>Burtin, E.</creatorcontrib><creatorcontrib>Capozza, L.</creatorcontrib><creatorcontrib>Chiosso, M.</creatorcontrib><creatorcontrib>Chung, S.U.</creatorcontrib><creatorcontrib>Cicuttin, A.</creatorcontrib><creatorcontrib>Crespo, M.L.</creatorcontrib><creatorcontrib>Dalla Torre, S.</creatorcontrib><creatorcontrib>Das, S.</creatorcontrib><creatorcontrib>Dasgupta, S.S.</creatorcontrib><creatorcontrib>Dasgupta, S.</creatorcontrib><creatorcontrib>Denisov, O.Yu</creatorcontrib><creatorcontrib>Dhara, L.</creatorcontrib><creatorcontrib>Donskov, S.V.</creatorcontrib><creatorcontrib>Doshita, N.</creatorcontrib><creatorcontrib>Duic, V.</creatorcontrib><creatorcontrib>Dünnweber, W.</creatorcontrib><creatorcontrib>Dziewiecki, M.</creatorcontrib><creatorcontrib>Efremov, A.</creatorcontrib><creatorcontrib>Elia, C.</creatorcontrib><creatorcontrib>Eversheim, P.D.</creatorcontrib><creatorcontrib>Eyrich, W.</creatorcontrib><creatorcontrib>Faessler, M.</creatorcontrib><creatorcontrib>Ferrero, A.</creatorcontrib><creatorcontrib>Filin, A.</creatorcontrib><creatorcontrib>Finger, M.</creatorcontrib><creatorcontrib>Finger, M.</creatorcontrib><creatorcontrib>Fischer, H.</creatorcontrib><creatorcontrib>Franco, C.</creatorcontrib><creatorcontrib>du Fresne von Hohenesche, N.</creatorcontrib><creatorcontrib>Friedrich, J.M.</creatorcontrib><creatorcontrib>Frolov, V.</creatorcontrib><creatorcontrib>Garfagnini, R.</creatorcontrib><creatorcontrib>Gautheron, F.</creatorcontrib><creatorcontrib>Gavrichtchouk, O.P.</creatorcontrib><creatorcontrib>Gerassimov, S.</creatorcontrib><creatorcontrib>Geyer, R.</creatorcontrib><creatorcontrib>Giorgi, M.</creatorcontrib><creatorcontrib>Gnesi, I.</creatorcontrib><creatorcontrib>Gobbo, B.</creatorcontrib><creatorcontrib>Goertz, S.</creatorcontrib><creatorcontrib>Grabmüller, S.</creatorcontrib><creatorcontrib>Grasso, A.</creatorcontrib><creatorcontrib>Grube, B.</creatorcontrib><creatorcontrib>Gushterski, R.</creatorcontrib><creatorcontrib>Guskov, A.</creatorcontrib><creatorcontrib>Guthörl, T.</creatorcontrib><creatorcontrib>Haas, F.</creatorcontrib><creatorcontrib>von Harrach, D.</creatorcontrib><creatorcontrib>Heinsius, F.H.</creatorcontrib><creatorcontrib>Herrmann, F.</creatorcontrib><creatorcontrib>Heß, C.</creatorcontrib><creatorcontrib>Hinterberger, F.</creatorcontrib><creatorcontrib>Horikawa, N.</creatorcontrib><creatorcontrib>Höppner, Ch</creatorcontrib><creatorcontrib>dʼHose, N.</creatorcontrib><creatorcontrib>Huber, S.</creatorcontrib><creatorcontrib>Ishimoto, S.</creatorcontrib><creatorcontrib>Ivanov, O.</creatorcontrib><creatorcontrib>Ivanshin, Yu</creatorcontrib><creatorcontrib>Iwata, T.</creatorcontrib><creatorcontrib>Jahn, R.</creatorcontrib><creatorcontrib>Jary, V.</creatorcontrib><creatorcontrib>Jasinski, P.</creatorcontrib><creatorcontrib>Joosten, R.</creatorcontrib><creatorcontrib>Kabuß, E.</creatorcontrib><creatorcontrib>Kang, D.</creatorcontrib><creatorcontrib>Ketzer, B.</creatorcontrib><creatorcontrib>Khaustov, G.V.</creatorcontrib><creatorcontrib>Khokhlov, Yu.A.</creatorcontrib><creatorcontrib>Kisselev, Yu</creatorcontrib><creatorcontrib>Klein, F.</creatorcontrib><creatorcontrib>Klimaszewski, K.</creatorcontrib><creatorcontrib>Koblitz, S.</creatorcontrib><creatorcontrib>Koivuniemi, J.H.</creatorcontrib><collection>CrossRef</collection><collection>Virology and AIDS Abstracts</collection><collection>AIDS and Cancer Research Abstracts</collection><collection>Hyper Article en Ligne (HAL)</collection><collection>Hyper Article en Ligne (HAL) (Open Access)</collection><jtitle>Physics letters. B</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Adolph, C.</au><au>Alekseev, M.G.</au><au>Alexakhin, V.Yu</au><au>Alexandrov, Yu</au><au>Alexeev, G.D.</au><au>Amoroso, A.</au><au>Antonov, A.A.</au><au>Austregesilo, A.</au><au>Badełek, B.</au><au>Balestra, F.</au><au>Barth, J.</au><au>Baum, G.</au><au>Bedfer, Y.</au><au>Bernhard, J.</au><au>Bertini, R.</au><au>Bettinelli, M.</au><au>Bicker, K.</au><au>Bieling, J.</au><au>Birsa, R.</au><au>Bisplinghoff, J.</au><au>Bordalo, P.</au><au>Bradamante, F.</au><au>Braun, C.</au><au>Bravar, A.</au><au>Bressan, A.</au><au>Büchele, M.</au><au>Burtin, E.</au><au>Capozza, L.</au><au>Chiosso, M.</au><au>Chung, S.U.</au><au>Cicuttin, A.</au><au>Crespo, M.L.</au><au>Dalla Torre, S.</au><au>Das, S.</au><au>Dasgupta, S.S.</au><au>Dasgupta, S.</au><au>Denisov, O.Yu</au><au>Dhara, L.</au><au>Donskov, S.V.</au><au>Doshita, N.</au><au>Duic, V.</au><au>Dünnweber, W.</au><au>Dziewiecki, M.</au><au>Efremov, A.</au><au>Elia, C.</au><au>Eversheim, P.D.</au><au>Eyrich, W.</au><au>Faessler, M.</au><au>Ferrero, A.</au><au>Filin, A.</au><au>Finger, M.</au><au>Finger, M.</au><au>Fischer, H.</au><au>Franco, C.</au><au>du Fresne von Hohenesche, N.</au><au>Friedrich, J.M.</au><au>Frolov, V.</au><au>Garfagnini, R.</au><au>Gautheron, F.</au><au>Gavrichtchouk, O.P.</au><au>Gerassimov, S.</au><au>Geyer, R.</au><au>Giorgi, M.</au><au>Gnesi, I.</au><au>Gobbo, B.</au><au>Goertz, S.</au><au>Grabmüller, S.</au><au>Grasso, A.</au><au>Grube, B.</au><au>Gushterski, R.</au><au>Guskov, A.</au><au>Guthörl, T.</au><au>Haas, F.</au><au>von Harrach, D.</au><au>Heinsius, F.H.</au><au>Herrmann, F.</au><au>Heß, C.</au><au>Hinterberger, F.</au><au>Horikawa, N.</au><au>Höppner, Ch</au><au>dʼHose, N.</au><au>Huber, S.</au><au>Ishimoto, S.</au><au>Ivanov, O.</au><au>Ivanshin, Yu</au><au>Iwata, T.</au><au>Jahn, R.</au><au>Jary, V.</au><au>Jasinski, P.</au><au>Joosten, R.</au><au>Kabuß, E.</au><au>Kang, D.</au><au>Ketzer, B.</au><au>Khaustov, G.V.</au><au>Khokhlov, Yu.A.</au><au>Kisselev, Yu</au><au>Klein, F.</au><au>Klimaszewski, K.</au><au>Koblitz, S.</au><au>Koivuniemi, J.H.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>II – Experimental investigation of transverse spin asymmetries in μ-p SIDIS processes: Sivers asymmetries</atitle><jtitle>Physics letters. B</jtitle><date>2012-10-31</date><risdate>2012</risdate><volume>717</volume><issue>4-5</issue><spage>383</spage><epage>389</epage><pages>383-389</pages><issn>0370-2693</issn><abstract>The COMPASS Collaboration at CERN has measured the transverse spin azimuthal asymmetry of charged hadrons produced in semi-inclusive deep inelastic scattering using a 160 GeV mu + beam and a transversely polarised NH3 target. The Sivers asymmetry of the proton has been extracted in the Bjorken x range 0.003 0.03 . The asymmetry is different from zero and positive also in the low x region, where sea-quarks dominate. The kinematic dependence of the asymmetry has also been investigated and results are given for various intervals of hadron and virtual photon fractional energy. In contrast to the case of the Collins asymmetry, the results on the Sivers asymmetry suggest a strong dependence on the four-momentum transfer to the nucleon, in agreement with the most recent calculations.</abstract><pub>Elsevier</pub><doi>10.1016/j.physletb.2012.09.056</doi><tpages>7</tpages><orcidid>https://orcid.org/0000-0002-3418-7251</orcidid><orcidid>https://orcid.org/0000-0003-3623-213X</orcidid><orcidid>https://orcid.org/0000-0002-4613-7956</orcidid><orcidid>https://orcid.org/0000-0002-2787-4221</orcidid><orcidid>https://orcid.org/0000-0003-3654-1602</orcidid><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0370-2693 |
| ispartof | Physics letters. B, 2012-10, Vol.717 (4-5), p.383-389 |
| issn | 0370-2693 |
| language | eng |
| recordid | cdi_hal_primary_oai_HAL_hal_01128824v1 |
| source | Elsevier ScienceDirect Journals |
| subjects | Nuclear Experiment Physics |
| title | II – Experimental investigation of transverse spin asymmetries in μ-p SIDIS processes: Sivers asymmetries |
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