Measurement of charge multiplicity asymmetry correlations in high energy nucleus-nucleus collisions at √sNN = 200 GeV (2013)
- Authors:
- USP affiliated authors: MUNHOZ, MARCELO GAMEIRO - IF ; SUAIDE, ALEXANDRE ALARCON DO PASSO - IF ; TOLEDO, ALEJANDRO SZANTO DE - IF
- Unidade: IF
- Assunto: COLISÕES DE ÍONS PESADOS RELATIVÍSTICOS
- Language: Inglês
- Abstract: A study is reported of the same- and opposite-sign charge-dependent azimuthal correlations with respect to the event plane in Au+Au collisions at √sNN = 200 GeV. The charge multiplicity asymmetries between the up/down and left/right hemispheres relative to the event plane are utilized. The contributions from statistical fluctuations and detector effects were subtracted from the (co-)variance3 of the observed charge multiplicity asymmetries. In the mid- to most-central collisions, the same- (opposite-) sign pairs are preferentially emitted in back-to-back (aligned on the same-side) directions. The charge separation across the event plane, measured by the difference, ∆, between the like- and unlike-sign up/down − left/right correlations, is largest near the event plane. The difference is found to be proportional to the event-by-event final-state particle ellipticity (via the observed second-order harmonic v obs 2 ), where ∆ = (1.3±1.4(stat)+4.0 −1.0 (syst))×10−5 + (3.2±0.2(stat)+0.4 −0.3 (syst))×10−3 v obs 2 for 20-40% Au+Au collisions. The implications for the proposed chiral magnetic effect (CME) are discussed.
- Imprenta:
-
ABNT
ADAMCZYK, L et al. Measurement of charge multiplicity asymmetry correlations in high energy nucleus-nucleus collisions at √sNN = 200 GeV. . São Paulo: Instituto de Física, Universidade de São Paulo. Disponível em: http://lanl.arxiv.org/pdf/1303.0901v1.pdf. Acesso em: 24 set. 2024. , 2013 -
APA
Adamczyk, L., Lima, L. M. de, Munhoz, M. G., Oliveira, R. A. N. de, Souza, U. G. de, Suaide, A. A. do P., & Szanto de Toledo, A. (2013). Measurement of charge multiplicity asymmetry correlations in high energy nucleus-nucleus collisions at √sNN = 200 GeV. São Paulo: Instituto de Física, Universidade de São Paulo. Recuperado de http://lanl.arxiv.org/pdf/1303.0901v1.pdf -
NLM
Adamczyk L, Lima LM de, Munhoz MG, Oliveira RAN de, Souza UG de, Suaide AA do P, Szanto de Toledo A. Measurement of charge multiplicity asymmetry correlations in high energy nucleus-nucleus collisions at √sNN = 200 GeV [Internet]. 2013 ;[citado 2024 set. 24 ] Available from: http://lanl.arxiv.org/pdf/1303.0901v1.pdf -
Vancouver
Adamczyk L, Lima LM de, Munhoz MG, Oliveira RAN de, Souza UG de, Suaide AA do P, Szanto de Toledo A. Measurement of charge multiplicity asymmetry correlations in high energy nucleus-nucleus collisions at √sNN = 200 GeV [Internet]. 2013 ;[citado 2024 set. 24 ] Available from: http://lanl.arxiv.org/pdf/1303.0901v1.pdf - Heavy flavor production at STAR
- Using jet asymmetries to access the gluon helicity distribution of the proton at STAR
- Strange baryon resonance production in ''S IND. NN' POT. 1/2'=200 GeV p+p and Au+Au collisions
- Longitudinal double spin asymmetry in inclusive jet production at STAR
- Acceptance effects in the hyperons global polarization measurement
- Inclusive hadron production in p+p collision at STAR
- First measurement of the jet cross section in polarized p+p collisions at ''S IND. NN' POT. 1/2'=200 GeV
- Strangeness production in small and large collisions systems at RHIC
- Measurements of 'lâmbda' and 'lâmbda BARRA' polarization in longitudinally polarized proton-proton collisions at ''S IND.NN' POT. 1/2 '= 200 GeV'
- Strangeness production in small and large collision systems at RHIC
How to cite
A citação é gerada automaticamente e pode não estar totalmente de acordo com as normas