Spectra and ratios of identified particles in Au+Au and d+Au collisions at √sNN = 200 GeV (2013)
- Authors:
- USP affiliated authors: DIETZSCH, OLACIO - IF ; LEITE, MARCO AURELIO LISBOA - IF ; TAKAGUI, EMI MARCIA - IF
- Unidade: IF
- Assunto: COLISÕES DE ÍONS PESADOS RELATIVÍSTICOS
- Language: Inglês
- Abstract: The transverse momentum (pT ) spectra and ratios of identified charged hadrons (π ±, K±, p, p¯) produced in √sNN = 200 GeV Au+Au and d+Au collisions are reported in five different centrality classes for each collision species. The measurements of pions and protons are reported up to pT = 6 GeV/c (5 GeV/c), and the measurements of kaons are reported up to pT = 4 GeV/c (3.5 GeV/c) in Au+Au (d+Au) collisions. In the intermediate pT region, between 2–5 GeV/c, a significant enhancement of baryon to meson ratios compared to those measured in p+p collisions is observed. This enhancement is present in both Au+Au and d+Au collisions, and increases as the collisions become more central. We compare a class of peripheral Au+Au collisions with a class central d+Au collisions which have a comparable number of participating nucleons and binary nucleon-nucleon collisions. The pT dependent particle ratios for these classes display a remarkable similarity, which is then discussed
- Imprenta:
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ABNT
ADARE, A; DIETZSCH, Olácio; DONADELLI, Marisílvia; et al. Spectra and ratios of identified particles in Au+Au and d+Au collisions at √sNN = 200 GeV. [S.l: s.n.], 2013. -
APA
Adare, A., Dietzsch, O., Donadelli, M., Leite, M. A. L., Lenzi, B. R., Silva, C. L. da, & Takagui, E. M. (2013). Spectra and ratios of identified particles in Au+Au and d+Au collisions at √sNN = 200 GeV. São Paulo. -
NLM
Adare A, Dietzsch O, Donadelli M, Leite MAL, Lenzi BR, Silva CL da, Takagui EM. Spectra and ratios of identified particles in Au+Au and d+Au collisions at √sNN = 200 GeV. 2013 ; -
Vancouver
Adare A, Dietzsch O, Donadelli M, Leite MAL, Lenzi BR, Silva CL da, Takagui EM. Spectra and ratios of identified particles in Au+Au and d+Au collisions at √sNN = 200 GeV. 2013 ; - Nuclear modification factors for hadrons at forward and backward rapidities in deuteron-gold collisions at ''S IND.NN' POT. 1/2 '=200GeV'
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- Source breakup dynamics in Au+Au Collisions at''S IND.NN' POT. 1/2´´= 200 GeV via three-dimensional two-pion source imaging
- Azimuthal anisotropy of ``pi´ POT.0´ production in Au + Au collisions at ``ANTPOT. S NN´`POT.1/2´´= 200 GeV: path-length dependence of jet quenching and the role of initial geometry
- Suppression of back-to-back hadron pairs at forward rapidity in d+'AU' collisions at 'S IND. NN'POT. 1/2' = 200 GeV
- Measurement of the higher-order anisotropic flow coefficient for identified hadrons in 'AU' + 'AU' collisions at 's IND. NN' POT. 1/2' = 200 GeV
- Centrality dependence of low-momentum direct-photon production in 'AU' + 'AU' collisions 's IND. NN' POT. 1/2' = 200 GeV
- Low-mass vector-meson production at forward rapidity in p+p collisions at 's POt. 1/2'=200 GeV
- Transverse-energy distributions at midrapidity in p+p, d+'AU', and 'AU'+'AU' collisions at 's IND. NN' POT. 1/2'=62.4–200 GeV and implications for particle-production models
- System-size dependence of open-heavy-flavor production in nucleus-nucleus collisions at 's IND. NN' POT. 1/2'=200 GeV
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