Microscopic study of thermal properties of the nuclear matter formed in heavy-ion collisions

Khoa, Dao T.; Ohtsuka, N.; Faessler, Amand; Matin, M. A.; Huang, S.W.; Lehmann, E.; Lofty, Y.

doi:10.1016/0375-9474(92)90263-j

Cited by 43 publications

(51 citation statements)

References 24 publications

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“…The spreading of the high density zone in heavier colliding nuclei over the long time span indicates the on going interactions among nucleons. This result is in agreement with [29].…”

Section: The Time Evolutionsupporting

confidence: 83%

“…This decrease is much smaller compared to the E bal (τ expt = −0.42079 ± 0.04594 and τ th = −0.41540 ± 0.08166). Had these reactions being simulated at a fixed incident energy, the trend would have been totally different [29]. Since lighter nuclei cannot be compressed easily, their maximal density at a fixed incident energy will be less compared to heavy nuclei.…”

Section: The Mass Dependencementioning

confidence: 99%

“…one deduces the temperature in a volume element surrounding the position of each particle at a given time step [29,31,32]. Here, we postulate that each local volume element of nuclear matter in coordinate space and time has some "temperature" defined by the diffused edge of the deformed Fermi distribution consisting of two colliding Fermi spheres which is typical for a non-equilibrium momentum distribution in heavy-ion collisions.…”

Section: The Mass Dependencementioning

confidence: 99%

“…In our present case, we follow the description of the temperature given in refs. [29,31,32]. Several different authors have given different descriptions of the local or global temperatures [33,34,35,36].…”

Section: The Mass Dependencementioning

confidence: 99%

“…Our present motivation is to investigate whether other dynamical variables (apart from the disappearance of flow) show a mass dependence at the balance energy or not. This present study is made within the framework of Quantum Molecular Dynamics (QMD) model [19,20,21,22,23,24,25,26,27,28,29].…”

Section: Introductionmentioning

confidence: 99%

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Nuclear dynamics at the balance energy

Sood

Puri

2004

Phys. Rev. C

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We study the mass dependence of various quantities (like the average and maximum density, collision rate, participant-spectator matter, temperature as well as time zones for higher density) by simulating the reactions at the energy of vanishing flow. This study is carried out within the framework of Quantum Molecular Dynamics model. Our findings clearly indicate an existence of a power law in all the above quantities calculated at the balance energy. The only significant mass dependence was obtained for the temperature reached in the central sphere. All other quantities are rather either insensitive or depend weakly on the system size at balance energy. The time zone for higher density as well as the time of maximal density and collision rate follow a power law inverse to the energy of vanishing flow.

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“…The spreading of the high density zone in heavier colliding nuclei over the long time span indicates the on going interactions among nucleons. This result is in agreement with [29].…”

Section: The Time Evolutionsupporting

confidence: 83%

Section: The Mass Dependencementioning

confidence: 99%