Energetic Protons and Cold Nuclear Multifragmentation Pattern

Zhang Fengshou

Chinese Physics C> 1997, Vol. 21> Issue(6) : 523-529

Energetic Protons and Cold Nuclear Multifragmentation Pattern

Zhang Fengshou ^,

Institute of Modern Physics,The Chinese Academy of Science,Lanzhou 7300002 Laboratoire de Physique Quantique,Universite Paul Sabatier,118 Route de Narbonne,31062 Tooulouse Cedex,France3 SUBATECH,Universite de Nantes/IN 2p3/Ecole des Mines de Nantes,44070 Nantes Cedex 03,France

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Abstract：
Multifragmentation is studied in correlation with energetic protons.A cold multifragmentation pattern is proposed based on the numerical simulation of the stochastic Boltzmann-Langevin model for describing the intermediate heavy ion collisions,i.e.,a sizable fraction of the available energy is released from the system by fast non-equilibrium proton emission,in which the explosion is caused to happen by a violent,but cold expansion of the system.Some typical examples simulated for ⁴⁰Ca+⁴⁰Ca central collisions at 90MeV/u are presented.A possible experimental signature which could be detected with the help of a 4π detector system is suggested.

References

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Zhang Fengshou. Energetic Protons and Cold Nuclear Multifragmentation Pattern[J]. Chinese Physics C, 1997, 21(6): 523-529.

Zhang Fengshou. Energetic Protons and Cold Nuclear Multifragmentation Pattern[J]. Chinese Physics C, 1997, 21(6): 523-529. shu

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Received: 1900-01-01
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

Energetic Protons and Cold Nuclear Multifragmentation Pattern

Zhang Fengshou ^,

Corresponding author: Zhang Fengshou,

Institute of Modern Physics,The Chinese Academy of Science,Lanzhou 7300002 Laboratoire de Physique Quantique,Universite Paul Sabatier,118 Route de Narbonne,31062 Tooulouse Cedex,France3 SUBATECH,Universite de Nantes/IN 2p3/Ecole des Mines de Nantes,44070 Nantes Cedex 03,France

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 1997-06-05

Abstract: Multifragmentation is studied in correlation with energetic protons.A cold multifragmentation pattern is proposed based on the numerical simulation of the stochastic Boltzmann-Langevin model for describing the intermediate heavy ion collisions,i.e.,a sizable fraction of the available energy is released from the system by fast non-equilibrium proton emission,in which the explosion is caused to happen by a violent,but cold expansion of the system.Some typical examples simulated for ⁴⁰Ca+⁴⁰Ca central collisions at 90MeV/u are presented.A possible experimental signature which could be detected with the help of a 4π detector system is suggested.