PROCESS DEPENDENCE AND THE SIVERS EFFECT IN INCLUSIVE AND SEMI-INCLUSIVE REACTIONS
We perform an analysis of the the spin asymmetry for single inclusive jet production in proton-proton collisions collected by AnDY experiment and the Sivers asymmetry data from semi-inclusive deep inelastic scattering experiments. In particular, we consider the role color gauge invariance plays in d...
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| creator | GAMBERG, LEONARD KANG, ZHONG-BO PROKUDIN, ALEXEI |
| description | We perform an analysis of the the spin asymmetry for single inclusive jet production in proton-proton collisions collected by AnDY experiment and the Sivers asymmetry data from semi-inclusive deep inelastic scattering experiments. In particular, we consider the role color gauge invariance plays in determining the process-dependence of the Sivers effect. We find that after carefully taking into account the initial-state and final-state interactions between the active parton and the remnant of the polarized hadron, the calculated jet spin asymmetry based on the Sivers functions extracted from HERMES and COMPASS experiments is consistent with the AnDY experimental data. This provides a first indication for the process-dependence of the Sivers effect in different processes. We also make predictions for both direct photon and Drell-Yan spin asymmetry, to further test the process-dependence of the Sivers effect in future experiments. |
| doi_str_mv | 10.1142/S2010194514600180 |
| format | Conference Proceeding |
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In particular, we consider the role color gauge invariance plays in determining the process-dependence of the Sivers effect. We find that after carefully taking into account the initial-state and final-state interactions between the active parton and the remnant of the polarized hadron, the calculated jet spin asymmetry based on the Sivers functions extracted from HERMES and COMPASS experiments is consistent with the AnDY experimental data. This provides a first indication for the process-dependence of the Sivers effect in different processes. We also make predictions for both direct photon and Drell-Yan spin asymmetry, to further test the process-dependence of the Sivers effect in future experiments.</description><identifier>ISSN: 2010-1945</identifier><identifier>EISSN: 2010-1945</identifier><identifier>DOI: 10.1142/S2010194514600180</identifier><language>eng</language><publisher>Singapore: World Scientific Publishing Co. 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In particular, we consider the role color gauge invariance plays in determining the process-dependence of the Sivers effect. We find that after carefully taking into account the initial-state and final-state interactions between the active parton and the remnant of the polarized hadron, the calculated jet spin asymmetry based on the Sivers functions extracted from HERMES and COMPASS experiments is consistent with the AnDY experimental data. This provides a first indication for the process-dependence of the Sivers effect in different processes. We also make predictions for both direct photon and Drell-Yan spin asymmetry, to further test the process-dependence of the Sivers effect in future experiments.</description><subject>Asymmetry</subject><subject>Deep Inelastic Scattering</subject><subject>Dependence</subject><subject>Experiments</subject><subject>Gauge invariance</subject><subject>Inelastic scattering</subject><subject>Particle collisions</subject><subject>Parton Model</subject><subject>PHYSICS OF ELEMENTARY PARTICLES AND FIELDS</subject><subject>QCD</subject><issn>2010-1945</issn><issn>2010-1945</issn><fulltext>true</fulltext><rsrctype>conference_proceeding</rsrctype><creationdate>2014</creationdate><recordtype>conference_proceeding</recordtype><recordid>eNplkN1Kw0AQhRdRsNQ-gHdBr6M7-5NsLku6tYGaliT1Nmw2CabUpGZTxLc3MaJCYWCGw3dmhoPQLeAHAEYeY4IBg8c4MAdjEPgCTQbJHrTLf_M1mhmzxwPjCo-zCYq20caXcWwt5FaGCxn60pqHCytZSSsOXmQUW3K5lH5iBWFf_no3qN9ILJ8D-0-K5NxPgk0Y36CrUh1MMfvpU7RbysRf2evNU-DP17YGKrCdqVJwkpeO0pALD7TQiinKPIcSVwAlhHCGsxzrjDFBqVMIl7tK0Yxkuac4naK7cW9juio1uuoK_aqbui50lwKAQxnrofsROrbN-6kwXbpvTm3d_5US4Jj3KwXuKRgp3TbGtEWZHtvqTbWfKeB0iDg9i7j34NHz0bSHvD9f1F1VVvrXem75Agsec2E</recordid><startdate>2014</startdate><enddate>2014</enddate><creator>GAMBERG, LEONARD</creator><creator>KANG, ZHONG-BO</creator><creator>PROKUDIN, ALEXEI</creator><general>World Scientific Publishing Co. 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In particular, we consider the role color gauge invariance plays in determining the process-dependence of the Sivers effect. We find that after carefully taking into account the initial-state and final-state interactions between the active parton and the remnant of the polarized hadron, the calculated jet spin asymmetry based on the Sivers functions extracted from HERMES and COMPASS experiments is consistent with the AnDY experimental data. This provides a first indication for the process-dependence of the Sivers effect in different processes. We also make predictions for both direct photon and Drell-Yan spin asymmetry, to further test the process-dependence of the Sivers effect in future experiments.</abstract><cop>Singapore</cop><pub>World Scientific Publishing Co. Pte., Ltd</pub><doi>10.1142/S2010194514600180</doi></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 2010-1945 |
| ispartof | International Journal of Modern Physics: Conference Series, 2014, Vol.25, p.1460018 |
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| language | eng |
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| source | World Scientific Journals; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals |
| subjects | Asymmetry Deep Inelastic Scattering Dependence Experiments Gauge invariance Inelastic scattering Particle collisions Parton Model PHYSICS OF ELEMENTARY PARTICLES AND FIELDS QCD |
| title | PROCESS DEPENDENCE AND THE SIVERS EFFECT IN INCLUSIVE AND SEMI-INCLUSIVE REACTIONS |
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