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Measurement of the Transverse Single-Spin Asymmetry in p
Adamczyk, L; Adkins, J K; Agakishiev, G; Aggarwal, M M; Ahammed, Z; Alekseev, I; Aparin, A; Arkhipkin, D; Aschenauer, E C; Attri, A; Averichev, G S; Bai, X; Bairathi, V; Banerjee, A; Bellwied, R; Bhasin, A; Bhati, A K; Bhattarai, P; Bielcik, J; Bielcikova, J; Bland, L C; Bordyuzhin, I G; Bouchet, J; Brandenburg, J D; Brandin, A V; Bunzarov, I; Butterworth, J; Caines, H; Calderón de la Barca Sánchez, M; Campbell, J M; Cebra, D; Chakaberia, I; Chaloupka, P; Chang, Z; Chattopadhyay, S; Chen, X; Chen, J H; Cheng, J; Cherney, M; Christie, W; Contin, G; Crawford, H J; Das, S; De Silva, L C; Debbe, R R; Dedovich, T G; Deng, J; Derevschikov, A A; di Ruzza, B; Didenko, L.
Afiliação
  • Adamczyk L; AGH University of Science and Technology, FPACS, Cracow 30-059, Poland.
  • Adkins JK; University of Kentucky, Lexington, Kentucky 40506-0055.
  • Agakishiev G; Joint Institute for Nuclear Research, Dubna 141 980, Russia.
  • Aggarwal MM; Panjab University, Chandigarh 160014, India.
  • Ahammed Z; Variable Energy Cyclotron Centre, Kolkata 700064, India.
  • Alekseev I; Alikhanov Institute for Theoretical and Experimental Physics, Moscow 117218, Russia.
  • Aparin A; Joint Institute for Nuclear Research, Dubna 141 980, Russia.
  • Arkhipkin D; Brookhaven National Laboratory, Upton, New York 11973.
  • Aschenauer EC; Brookhaven National Laboratory, Upton, New York 11973.
  • Attri A; Panjab University, Chandigarh 160014, India.
  • Averichev GS; Joint Institute for Nuclear Research, Dubna 141 980, Russia.
  • Bai X; Central China Normal University, Wuhan, Hubei 430079.
  • Bairathi V; National Institute of Science Education and Research, Bhubaneswar 751005, India.
  • Banerjee A; Variable Energy Cyclotron Centre, Kolkata 700064, India.
  • Bellwied R; University of Houston, Houston, Texas 77204.
  • Bhasin A; University of Jammu, Jammu 180001, India.
  • Bhati AK; Panjab University, Chandigarh 160014, India.
  • Bhattarai P; University of Texas, Austin, Texas 78712.
  • Bielcik J; Czech Technical University in Prague, FNSPE, Prague 115 19, Czech Republic.
  • Bielcikova J; Nuclear Physics Institute AS CR, 250 68 Prague, Czech Republic.
  • Bland LC; Brookhaven National Laboratory, Upton, New York 11973.
  • Bordyuzhin IG; Alikhanov Institute for Theoretical and Experimental Physics, Moscow 117218, Russia.
  • Bouchet J; Kent State University, Kent, Ohio 44242.
  • Brandenburg JD; Rice University, Houston, Texas 77251.
  • Brandin AV; National Research Nuclear University MEPhI, Moscow 115409, Russia.
  • Bunzarov I; Joint Institute for Nuclear Research, Dubna 141 980, Russia.
  • Butterworth J; Rice University, Houston, Texas 77251.
  • Caines H; Yale University, New Haven, Connecticut 06520.
  • Calderón de la Barca Sánchez M; University of California, Davis, California 95616.
  • Campbell JM; Ohio State University, Columbus, Ohio 43210.
  • Cebra D; University of California, Davis, California 95616.
  • Chakaberia I; Brookhaven National Laboratory, Upton, New York 11973.
  • Chaloupka P; Czech Technical University in Prague, FNSPE, Prague 115 19, Czech Republic.
  • Chang Z; Texas A&M University, College Station, Texas 77843.
  • Chattopadhyay S; Variable Energy Cyclotron Centre, Kolkata 700064, India.
  • Chen X; Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou, Gansu 730000.
  • Chen JH; Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800.
  • Cheng J; Tsinghua University, Beijing 100084.
  • Cherney M; Creighton University, Omaha, Nebraska 68178.
  • Christie W; Brookhaven National Laboratory, Upton, New York 11973.
  • Contin G; Lawrence Berkeley National Laboratory, Berkeley, California 94720.
  • Crawford HJ; University of California, Berkeley, California 94720.
  • Das S; Institute of Physics, Bhubaneswar 751005, India.
  • De Silva LC; Creighton University, Omaha, Nebraska 68178.
  • Debbe RR; Brookhaven National Laboratory, Upton, New York 11973.
  • Dedovich TG; Joint Institute for Nuclear Research, Dubna 141 980, Russia.
  • Deng J; Shandong University, Jinan, Shandong 250100.
  • Derevschikov AA; Institute of High Energy Physics, Protvino 142281, Russia.
  • di Ruzza B; Brookhaven National Laboratory, Upton, New York 11973.
  • Didenko L; Brookhaven National Laboratory, Upton, New York 11973.
Phys Rev Lett ; 116(13): 132301, 2016 Apr 01.
Article em En | MEDLINE | ID: mdl-27081970
ABSTRACT
We present the measurement of the transverse single-spin asymmetry of weak boson production in transversely polarized proton-proton collisions at sqrt[s]=500 GeV by the STAR experiment at RHIC. The measured observable is sensitive to the Sivers function, one of the transverse-momentum-dependent parton distribution functions, which is predicted to have the opposite sign in proton-proton collisions from that observed in deep inelastic lepton-proton scattering. These data provide the first experimental investigation of the nonuniversality of the Sivers function, fundamental to our understanding of QCD.
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Texto completo: 1 Base de dados: MEDLINE Idioma: En Ano de publicação: 2016 Tipo de documento: Article
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Texto completo: 1 Base de dados: MEDLINE Idioma: En Ano de publicação: 2016 Tipo de documento: Article