About: Longitudinal double-spin asymmetry and cross section for inclusive neutral pion production at midrapidity in polarized proton collisions at s=200 GeV

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About: Longitudinal double-spin asymmetry and cross section for inclusive neutral pion production at midrapidity in polarized proton collisions at s=200 GeV Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	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. 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. (en)
Title	Longitudinal double-spin asymmetry and cross section for inclusive neutral pion production at midrapidity in polarized proton collisions at s=200 GeV Longitudinal double-spin asymmetry and cross section for inclusive neutral pion production at midrapidity in polarized proton collisions at s=200 GeV (en)
skos:prefLabel	Longitudinal double-spin asymmetry and cross section for inclusive neutral pion production at midrapidity in polarized proton collisions at s=200 GeV Longitudinal double-spin asymmetry and cross section for inclusive neutral pion production at midrapidity in polarized proton collisions at s=200 GeV (en)
skos:notation	RIV/61389005:_____/09:00338938!RIV10-MSM-61389005
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA202/07/0079), P(LA09013), P(LC07048), Z(AV0Z10100502), Z(AV0Z10480505)
http://linked.open...iv/cisloPeriodika	11
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Bielčík, Jaroslav Kushpil, Vasilij Šumbera, Michal Bielčíková, Jana Bysterský, Michal Jakl, Pavel Tlustý, David Kapitán, Jan Chaloupka, Petr
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav jaderné fyziky AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	324088
http://linked.open...ai/riv/idVysledku	RIV/61389005:_____/09:00338938
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	PARTON DISTRIBUTIONS; PROTON SPIN; SPIN ASSYMETRY (en)
http://linked.open.../riv/klicoveSlovo	PARTON DISTRIBUTIONS PROTON SPIN SPIN ASSYMETRY
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[BD593E957092]
http://linked.open...i/riv/nazevZdroje	Physical Review D: Particles, Fields, Gravitation and Cosmology
http://linked.open...in/vavai/riv/obor	BG
http://linked.open...ichTvurcuVysledku	9 (xsd:int)
http://linked.open...cetTvurcuVysledku	368 (xsd:int)
http://linked.open...vavai/riv/projekt	Participation of the Czech Republic in the STAR experiment at Brookhaven National Laboratory, U.S.A. Study of nucleus-nucleus and proton-proton collisions at RHIC Centre for Physics of Ultra-relativistic Nuclear Collissions
http://linked.open...UplatneniVysledku	2009
http://linked.open...v/svazekPeriodika	80
http://linked.open...iv/tvurceVysledku	Bielčíková, Jana Das, D. … Aggarwal, M. M. Ahammed, Z. Chaloupka, Petr Chattopadhyay, S. Bielčík, Jaroslav Arkhipkin, D. Averichev, G. S. Balewski, J. Barnby, L. S. Baumgart, S. Beavis, D. R. Bellwied, R. Betancourt, M. J. Betts, R. R. Bhasin, A. Bhati, A. K. Anderson, B. D. Bichsel, H. Dedovich, T. G. Bysterský, Michal Biritz, B. Bland, L. C. Bonner, B. E. Bouchet, J. Braidot, E. Brandin, A. V. Bruna, E. Bueltmann, S. Burton, T. P. Cai, X.Z. Caines, H. Catu, O. Cebra, D. Cendejas, R. Cervantes, M. C. Chajecki, Z. Chen, H. F. Chen, J. H. Cheng, J. Cherney, M. Chikanian, A. Choi, K. E. Christie, W. Clarke, R. F. Codrington, M. J. M. Corliss, R. Cramer, J. G. Crawford, H. J. Dash, S. De Silva, L. C. Derevschikov, A. A. Didenko, L. Djawotho, P.

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