Observation of an energy-dependent difference in elliptic flow between particles and anti-particles in relativistic heavy ion collisions (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: Elliptic flow (v2) values for identified particles at mid-rapidity in Au+Au collisions, measured by the STAR experiment in the Beam Energy Scan at RHIC at √ sNN = 7.7–62.4 GeV, are presented. A beam-energy dependent difference of the values of v2 between particles and corresponding antiparticles was observed. The difference increases with decreasing beam energy and is larger for baryons compared to mesons. This implies that, at lower energies, particles and anti-particles are not consistent with the universal number-of-constituent-quark (NCQ) scaling of v2 that was observed at √ sNN = 200 GeV.
- Imprenta:
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ABNT
ADAMCZYK, L et al. Observation of an energy-dependent difference in elliptic flow between particles and anti-particles in relativistic heavy ion collisions. . São Paulo: Instituto de Física, Universidade de São Paulo. Disponível em: http://lanl.arxiv.org/pdf/1301.2347v1.pdf. Acesso em: 11 mar. 2026. , 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). Observation of an energy-dependent difference in elliptic flow between particles and anti-particles in relativistic heavy ion collisions. São Paulo: Instituto de Física, Universidade de São Paulo. Recuperado de http://lanl.arxiv.org/pdf/1301.2347v1.pdf -
NLM
Adamczyk L, Lima LM de, Munhoz MG, Oliveira RAN de, Souza UG de, Suaide AA do P, Szanto de Toledo A. Observation of an energy-dependent difference in elliptic flow between particles and anti-particles in relativistic heavy ion collisions [Internet]. 2013 ;[citado 2026 mar. 11 ] Available from: http://lanl.arxiv.org/pdf/1301.2347v1.pdf -
Vancouver
Adamczyk L, Lima LM de, Munhoz MG, Oliveira RAN de, Souza UG de, Suaide AA do P, Szanto de Toledo A. Observation of an energy-dependent difference in elliptic flow between particles and anti-particles in relativistic heavy ion collisions [Internet]. 2013 ;[citado 2026 mar. 11 ] Available from: http://lanl.arxiv.org/pdf/1301.2347v1.pdf - Identified particle transverse momentum spectra in p+p and d+Au collisions at ''S IND.NN' POT. 1/2' = 200GeV''
- First measurement of the jet cross section in polarized p+p collisions at "S IND.NN" POT. 1/2" = 200 GeV
- Double longitudinal spin asymmetry in inclusive jet production in polarized p+p collisions at sqrt(s) = 200 GeV
- Strange baryon resonance production in ''S IND.NN' POT. 1/2' = 200 GeV'' p+p and Au+Au collisions
- Inclusive electron distributions at high pt in dAu and pp collisions at RHIC
- Global observables in dAu collisions at 'ANTIPOT. s NN''POT. 1/2' = 200 GeV
- Hadronization geometry from net-charge angular correlations on momentum subspace ("eta", "fi") in Au + Au collisions at ''S IND.NN' POT. 1/2 '= 130 GeV
- Transverse-momentum p(t) correlations on (eta,phi) from mean-p(t) fluctuations in Au-Au collisions at root(s) (NN)=200GeV
- Phi-meson production in heavy-ion collisions at RHIC
- Scaling properties of hyperon production in Au+Au collisions at ''S IND. NN' POT. 1/2'=200 GeV
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