Počet záznamů: 1
Longitudinal double-spin asymmetry and cross section for inclusive neutral pion production at midrapidity in polarized proton collisions at s=200 GeV
- 1.
SYSNO ASEP 0338938 Druh ASEP J - Článek v odborném periodiku Zařazení RIV J - Článek v odborném periodiku Poddruh J Článek ve WOS Název Longitudinal double-spin asymmetry and cross section for inclusive neutral pion production at midrapidity in polarized proton collisions at s=200 GeV Tvůrce(i) Abelev, B. I. (US)
Aggarwal, M. M. (IN)
Ahammed, Z. (IN)
Anderson, B. D. (US)
Arkhipkin, D. (RU)
Averichev, G. S. (RU)
Balewski, J. (US)
Barannikova, O. (RU)
Barnby, L. S. (GB)
Baudot, J. (FR)
Baumgart, S. (US)
Beavis, D.R. (US)
Bellwied, R. (US)
Benedosso, F. (NL)
Betancourt, M.J. (US)
Betts, R. R. (US)
Bhasin, A. (IN)
Bhati, A.K. (IN)
Bichsel, H. (US)
Bielčík, Jaroslav (UJF-V)
Bielčíková, Jana (UJF-V) RID, ORCID, SAI
Biritz, B. (US)
Bland, L.C. (US)
Bombara, M. (RU)
Bonner, B. E. (US)
Botje, M. (US)
Bouchet, J. (RU)
Braidot, E. (NL)
Brandin, A. V. (US)
Bruna, E. (US)
Bueltmann, S. (US)
Burton, T. P. (US)
Bysterský, Michal (UJF-V)
Cai, X.Z. (CN)
Caines, H. (US)
Sanchez, M.C.D. (US)
Catu, O. (US)
Cebra, D. (US)
Cendejas, R. (US)
Cervantes, M.C. (US)
Chajecki, Z. (US)
Chaloupka, Petr (UJF-V) RID
Chattopadhyay, S. (IN)
Chen, H.F. (CN)
Chen, J.H. (CN)
Cheng, J. (CN)
Cherney, M. (US)
Chikanian, A. (US)
Choi, K.E. (KR)
Christie, W. (US)
Clarke, R.F. (US)
Codrington, M.J.M. (US)
Corliss, R. (US)
Cormier, T.M. (US)
Coserea, R. M. (RO)
Cramer, J. G. (US)
Crawford, H. J. (US)
Das, D. (US)
Dash, S. (IN)
Daugherity, M. (US)
De Silva, L.C. (US)
Dedovich, T. G. (RU)
DePhillips, M. (US)
Derevschikov, A.A. (RU)
de Souza, R.D. (BR)
Didenko, L. (US)
Djawotho, P. (US)
Dunlop, J.C. (US)
Mazumdar, M.R.D. (IN)
Edwards, W.R. (US)
Efimov, L.G. (RU)
Elhalhuli, E. (GB)
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Zuo, J.X. (CN)Zdroj.dok. Physical Review D: Particles, Fields, Gravitation and Cosmology. - : American Physical Society - ISSN 1550-7998
Roč. 80, č. 11 (2009), 111108/1-111108/7Poč.str. 7 s. Jazyk dok. eng - angličtina Země vyd. US - Spojené státy americké Klíč. slova PARTON DISTRIBUTIONS ; PROTON SPIN ; SPIN ASSYMETRY Vědní obor RIV BG - Jaderná, atomová a mol. fyzika, urychlovače CEP GA202/07/0079 GA ČR - Grantová agentura ČR LC07048 GA MŠMT - Ministerstvo školství, mládeže a tělovýchovy LA09013 GA MŠMT - Ministerstvo školství, mládeže a tělovýchovy CEZ AV0Z10480505 - UJF-V (2005-2011) AV0Z10100502 - FZU-D (2005-2011) UT WOS 000273233000008 DOI https://doi.org/10.1103/PhysRevD.80.111108 Anotace We report a measurement of the longitudinal double-spin asymmetry A(LL) and the differential cross section for inclusive pi(0) production at midrapidity in polarized proton collisions at s=200 GeV. The cross section was measured over a transverse momentum range of 1 < p(T)< 17 GeV/c and found to be in good agreement with a next-to-leading order perturbative QCD calculation. The longitudinal double-spin asymmetry was measured in the range of 3.7 < p(T)< 11 GeV/c and excludes a maximal positive gluon polarization in the proton. The mean transverse momentum fraction of pi(0)'s in their parent jets was found to be around 0.7 for electromagnetically triggered events. Pracoviště Ústav jaderné fyziky Kontakt Markéta Sommerová, sommerova@ujf.cas.cz, Tel.: 266 173 228 Rok sběru 2010
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