Properties of the Scaling of Collective Flow in Intermediate Energy Heavy ion Collisions

LI Shan; YAN Tingzhi

doi:10.11804/NuclPhysRev.31.02.135

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LI Shan, YAN Tingzhi. Properties of the Scaling of Collective Flow in Intermediate Energy Heavy ion Collisions[J]. Nuclear Physics Review, 2014, 31(2): 135-141. doi: 10.11804/NuclPhysRev.31.02.135

Citation:

LI Shan, YAN Tingzhi. Properties of the Scaling of Collective Flow in Intermediate Energy Heavy ion Collisions[J]. Nuclear Physics Review, 2014, 31(2): 135-141. doi: 10.11804/NuclPhysRev.31.02.135

Properties of the Scaling of Collective Flow in Intermediate Energy Heavy ion Collisions

doi: 10.11804/NuclPhysRev.31.02.135

School of Science, b. School of Energy Resources and Power Engineering,Northeast Dianli University, Jilin 132012, Jilin, China

Received Date: 1900-01-01
Rev Recd Date: 1900-01-01
Publish Date: 2014-06-20

Abstract

The properties of light particles’ collective flows from ⁴⁰Ca+⁴⁰Ca, ⁵⁰Ca+⁴⁰Ca, ⁶⁴Cu+⁶⁴Cu and ¹⁹⁷Au+¹⁹⁷Au systems are simulated by Isospin-dependent Quantum Molecular Dynamics model. Transverse momentum dependent elliptic flows from different systems are found to be scaled by nucleon numbers of fragment in intermediate energy, and v₄=v ²₂ scaling is also found and nearly to be a constant 0.5 for different light fragments.These scaling behaviors are investigated for different collision energies, impact parameters, nuclear equation of states and found insensitive to the above physical quantities, which may be the result of coalescence mechanism that describes the formation of fragments.
- collective flow,
- nucleon-number scaling,
- intermediate energy,
- heavy ion collision,
- IQMD model
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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

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Properties of the Scaling of Collective Flow in Intermediate Energy Heavy ion Collisions

doi: 10.11804/NuclPhysRev.31.02.135

School of Science, b. School of Energy Resources and Power Engineering,Northeast Dianli University, Jilin 132012, Jilin, China

Received Date: 1900-01-01
Rev Recd Date: 1900-01-01
Publish Date: 2014-06-20

Key words:

Abstract: The properties of light particles’ collective flows from ⁴⁰Ca+⁴⁰Ca, ⁵⁰Ca+⁴⁰Ca, ⁶⁴Cu+⁶⁴Cu and ¹⁹⁷Au+¹⁹⁷Au systems are simulated by Isospin-dependent Quantum Molecular Dynamics model. Transverse momentum dependent elliptic flows from different systems are found to be scaled by nucleon numbers of fragment in intermediate energy, and v₄=v ²₂ scaling is also found and nearly to be a constant 0.5 for different light fragments.These scaling behaviors are investigated for different collision energies, impact parameters, nuclear equation of states and found insensitive to the above physical quantities, which may be the result of coalescence mechanism that describes the formation of fragments.

LI Shan, YAN Tingzhi. Properties of the Scaling of Collective Flow in Intermediate Energy Heavy ion Collisions[J]. Nuclear Physics Review, 2014, 31(2): 135-141. doi: 10.11804/NuclPhysRev.31.02.135

Citation:

LI Shan, YAN Tingzhi. Properties of the Scaling of Collective Flow in Intermediate Energy Heavy ion Collisions[J]. Nuclear Physics Review, 2014, 31(2): 135-141. doi: 10.11804/NuclPhysRev.31.02.135