System-size dependence of transverse momentum correlations at<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msqrt><mml:msub><mml:mi>s</mml:mi><mml:mrow><mml:mi>N</mml:mi><mml:mi>N</mml:mi></mml:mrow></mml:msub></mml:msqrt><mml:mo>=</mml:mo><mml:mn>62.4</mml:mn></mml:mrow></mml:math>and 200 GeV at the BNL Relativistic Heavy Ion Collider

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doi:10.1103/physrevc.87.064902

Cited by 12 publications

(4 citation statements)

References 72 publications

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“…The amplitude of the source increases, and the source translates along a negative direction of the [6,18,19]. For the same centrality, the values of and | | increase with the increase of assoc intervals [20]. For the same assoc interval, the values of for 50-80% are greater than those in 20-40%.…”

Section: Dihadron Azimuthal Correlation In the Model And Experimentsmentioning

confidence: 88%

Dihadron Azimuthal Correlations in 200 GeV Au-Au and 2.76 TeV Pb-Pb Collisions

Zhang

Qian

2014

Advances in High Energy Physics

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In a multisource thermal model, we detailedly show dihadron azimuthal correlations for 20–40% and 50–80% in Au-Au collisions atsNN=200 GeV and over a centrality range from 10–15% to 70–80% in Pb-Pb collisions atsNN=2.76 TeV. The model can approximately describe the azimuthal correlations of particles produced in the collisions. Thepxamplitude of the corresponding source is magnified, and the source translates along the direction. The factorαx, in most cases, increases with the increase of the centrality in Pb-Pb collisions atsNN=2.76 TeV.

show abstract

Section: Dihadron Azimuthal Correlation In the Model And Experimentsmentioning

confidence: 88%

Dihadron Azimuthal Correlations in 200 GeV Au-Au and 2.76 TeV Pb-Pb Collisions

Zhang

Qian

2014

Advances in High Energy Physics

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show abstract

“…The IPM can be simulated by the mixed event method [24,25] in which only one particle is randomly selected from one original event in the same centrality to compose a mixed event. Interparticle correlations are thus removed.…”

Section: Combined Event Methodsmentioning

confidence: 99%

Analysis of strongly intensive quantities for event-by-event transverse momentum and multiplicity fluctuations using the AMPT model

Wu¹,

Ren²,

Zhang³

et al. 2021

J. Phys. G: Nucl. Part. Phys.

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Strongly intensive quantities Σ[P T , N] and Δ[P T , N] have become one of the important tools in study of phase transitions and critical points in high energy heavy-ion collisions. In this paper the properties of Σ[P T , N] and Δ[P T , N] are discussed within different colliding nuclei systems generated by the AMPT model. The combined event method are proposed to simulate the model of independent sources in which Σ[P T , N] and Δ[P T , N] are independent of the number of original events. The effects of transverse momentum, pseudorapidity and parton cascade are also discussed.

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“…6 it can be calculated by the AMPT result that differential for T kin and T ef f has strongly linear dependence, we can directly use T ef f instead of T kin in ∂pT ∂T . Now we can conveniently calculate ∂pT ∂T | T =T ef f based on the p T spectrum [50,[58][59][60]:…”

Section: Now We Gotmentioning

confidence: 99%

Specific heat and its high-order moments in relativistic heavy-ion collisions from a multiphase transport model

Cao¹,

Zhang²,

Ma³

2021

Preprint

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We studied the energy dependence of specific heat extracted from the fluctuation of temperature fitted by the pT spectra at √ sNN = 7.7 GeV to 200 GeV in Au + Au collisions by using AMPT model. The results were compared with those from other models and some difference at low √ sNN was found. To explain the difference and describe the properties of the hot matter at low √ sNN , we derived new quantities C ξ v and C ξ * v for describing specific heat in heavy-ion collisions. We found that the alternative method could describe thermal properties of the matter involving C ξ * v together with its high order moments, namely skewness and kurtosis, extracted from the event-by-event distribution of C ξ * v . The proposed observables could shed light on the QCD phase transition along with critical point in heavy-ion collisions.

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System-size dependence of transverse momentum correlations atsNN=62.4and 200 GeV at the BNL Relativistic Heavy Ion Collider

Cited by 12 publications

References 72 publications

Dihadron Azimuthal Correlations in 200 GeV Au-Au and 2.76 TeV Pb-Pb Collisions

Dihadron Azimuthal Correlations in 200 GeV Au-Au and 2.76 TeV Pb-Pb Collisions

Analysis of strongly intensive quantities for event-by-event transverse momentum and multiplicity fluctuations using the AMPT model

Specific heat and its high-order moments in relativistic heavy-ion collisions from a multiphase transport model

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