Relationship between Measurement of Nuclear Temperature and Energy of Particles

HU PeiGang; WU HeYu; JIN GenMing; LI ZuYu; HE ZhiYong; WANG HongWei; FU YanBiao; DUAN LiMin; ZHANG BaoGuo; XIAO ZhiGang; DAI GuangXi

Chinese Physics C> 2000, Vol. 24> Issue(9) : 818-822

Relationship between Measurement of Nuclear Temperature and Energy of Particles

Institute of Modern Physics, The Chinese Academy of Sciences, Lanzhou 730000, China

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Abstract：
Temperature of 5MeV was extracted from double isotope ratios Y6Li/Y7LiY3He/Y4He measured at backward angle in laboratory system in the reaction 30MeV/u ⁴⁰Ar+^nat Ag. It is observed that this temperature increases continuously from 5MeV to 6MeV with the increase of the energy threshold E_cut/A.A Monte Carlo simulation on particle emission process of hot nuclei shows that the average temperature of hot nuclei as emission sources goes up gradually with increasing energies of emitted particles. It is demonstrated that hot nuclei with higher temperature are more probable to emit higher energy particles.

References

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HU PeiGang, WU HeYu, JIN GenMing, LI ZuYu, HE ZhiYong, WANG HongWei, FU YanBiao, DUAN LiMin, ZHANG BaoGuo, XIAO ZhiGang and DAI GuangXi. Relationship between Measurement of Nuclear Temperature and Energy of Particles[J]. Chinese Physics C, 2000, 24(9): 818-822.

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Received: 1999-07-14
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

Relationship between Measurement of Nuclear Temperature and Energy of Particles

Corresponding author: HU PeiGang,

Institute of Modern Physics, The Chinese Academy of Sciences, Lanzhou 730000, China

Received Date: 1999-07-14
Accepted Date: 1900-01-01
Available Online: 2000-09-05

Abstract: Temperature of 5MeV was extracted from double isotope ratios Y6Li/Y7LiY3He/Y4He measured at backward angle in laboratory system in the reaction 30MeV/u ⁴⁰Ar+^nat Ag. It is observed that this temperature increases continuously from 5MeV to 6MeV with the increase of the energy threshold E_cut/A.A Monte Carlo simulation on particle emission process of hot nuclei shows that the average temperature of hot nuclei as emission sources goes up gradually with increasing energies of emitted particles. It is demonstrated that hot nuclei with higher temperature are more probable to emit higher energy particles.