Excitation functions in central Au+Au collisions from SIS/GSI to AGS/Brookhaven

Li, Bao-An; Ko, Che Ming

doi:10.1016/0375-9474(96)00037-1

Cited by 31 publications

(9 citation statements)

References 56 publications

(50 reference statements)

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“…Such a proton distribution can be well reproduced by our ART model [ 3]. This model further predicts that complete stopping can also be achieved at lower beam momenta [ 5]. It is, however, surprising to see that the scaled proton rapidity distribution, i.e., expressed in terms of y/y beam where y beam is the beam rapidity, from the model calculation at different beam energies all lie on a universal curve as shown in Fig.…”

Section: The Excitation Function Of Nuclear Stopping Powersupporting

confidence: 62%

“…This scaling behavior may be related to the Fermi-Landau scaling [ 8] of the pion multiplicity in a nucleon-nucleon collision, i.e., it increases more or less linearly with the available centerof-mass energy. Since the nucleon-nucleon inelastic cross section used in the ART model has the Fermi-Landau scaling, the pion multiplicity per participant in heavy ion collisions is also found to follow a similar dependence on the center-of-mass energy [ 5]. It is thus of interest to study in the ART model how the pion multiplicity and the scaled proton rapidity distribution are modified when the Fermi-Landau scaling is violated in the input cross sections.…”

Section: The Excitation Function Of Nuclear Stopping Powermentioning

confidence: 99%

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Excitation functions of stopping power and flow in relativistic heavy-ion collisions

Ko²

1998

Nuclear Physics A

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Using a relativistic transport (ART) model, we study the stopping power, the formation of superdense hadronic matter as well as the strength of transverse and radial flow in central Au+Au collisions at beam momentum from 2 to 12 GeV/c per nucleon. We find that complete stopping is achieved in the whole beam momentum range. In particular, the proton rapidity distribution scaled by the beam rapidity is independent of the beam momentum, and this is in agreement with the experimental findings. Also, a large volume of superdense hadronic matter with a local energy density exceeding that expected for the transition of a hadronic matter to the quark-gluon plasma is formed in collisions at beam momenta greater than 8 GeV/c per nucleon. Furthermore, it is found that the transverse flow in these collisions is sensitive to the nuclear equation of state and decreases with increasing beam momentum. On the other hand, the radial flow is insensitive to the equation of state, and its strength increases with beam momentum.

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Section: The Excitation Function Of Nuclear Stopping Powersupporting

confidence: 62%

Section: The Excitation Function Of Nuclear Stopping Powermentioning

confidence: 99%

Excitation functions of stopping power and flow in relativistic heavy-ion collisions

Ko²

1998

Nuclear Physics A

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“…One of the key observables in heavy ion collisions (HIC) is the nuclear stopping that can be studied with the help of rapidity distribution [7] and asymmetry of the nucleon momentum distribution [8]. W. Bauer [9] pointed out that nuclear stopping power in intermediate energy HIC, is determined by both mean field as well as in-medium nucleon-nucleon crosssection.…”

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confidence: 99%

Influence of charge asymmetry and isospin-dependent cross section on nuclear stopping

2011

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Using the isospin-dependent quantum molecular dynamics model, we study the effect of charge asymmetry and isospin-dependent cross section on nuclear stopping and multiplicity of free nucleons and light mass fragments. Simulations were carried out for the reactions 124 X m + 124 X m , where m varies from 47 to 59 and for 40 Y n + 40 Y n , where n varies from 14 to 23. Our study shows that nuclear stopping depends strongly on the isospin of the cross section.

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“…where M ¼ p, q, x, and g, while B and B 0 stand for baryons N, D, P 11 ð1440Þ, and S 11 ð1535Þ. Note that the hadron cascade component of the AMPT model [13], based on a relativistic transport (ART) model [84][85][86], already includes the interactions of p, K, g, q, x, /, K Ã , N, Dð1232Þ, P 11 ð1440Þ, S 11 ð1535Þ as well as their antiparticles. For the cross sections of the reactions BB 0 !…”

Section: Deuteron Productions In the Hadron Cascadementioning

confidence: 99%

Further developments of a multi-phase transport model for relativistic nuclear collisions

Lin

Zheng

2021

NUCL SCI TECH

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A multi-phase transport (AMPT) model was constructed as a self-contained kinetic theory-based description of relativistic nuclear collisions as it contains four main components: the fluctuating initial condition, a parton cascade, hadronization, and a hadron cascade. Here, we review the main developments after the first public release of the AMPT source code in 2004 and the corresponding publication that described the physics details of the model at that time. We also discuss possible directions for future developments of the AMPT model to better study the properties of the dense matter created in relativistic collisions of small or large systems.

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Excitation functions in central Au+Au collisions from SIS/GSI to AGS/Brookhaven

Abstract: Using the relativistic transport model (ART), we predict the energy de-

Cited by 31 publications

References 56 publications

Excitation functions of stopping power and flow in relativistic heavy-ion collisions

Excitation functions of stopping power and flow in relativistic heavy-ion collisions

Influence of charge asymmetry and isospin-dependent cross section on nuclear stopping

Further developments of a multi-phase transport model for relativistic nuclear collisions

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