EXPERIMETAL SEARCH FOR HIGH ENERGY γ RAYS IN THE SPONTANEOUTANEOUS FISSIONS OF <SUP>252</SUP>Cf

ZHANG HUAN-QIAO; DING SHENG-YUE; LIU ZU-HUA; ZHANG GUI-SHAN; LIU ZHAO-MING; TANG XIO-WEI; LI HUAN-TIE

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《中国物理C》（英文）编辑部

2024年10月30日

Chinese Physics C> 1982, Vol. 6> Issue(4) : 491-494

EXPERIMETAL SEARCH FOR HIGH ENERGY γ RAYS IN THE SPONTANEOUTANEOUS FISSIONS OF ²⁵²Cf

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Abstract：
In order to investigate the poss ibility of the existence of the ultradense nuclei, wehave used a lead glass Cerenkov total absorption spectrometer to search for highenergy γ rays in the spontaneous fissions of ²⁵²Cf. It follows that the upper limit ofthe probability of γ rays in the energy range between 50 and 240 MeV is 1.4 ×10^-6/fission (95% confidence level).

References

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A. R. Bodmer. Phys. Rev,. D4 (1971) , 1601.[2] T. D. Lee and G. C. Wick, Phys. ,Rev., D9(1974), 2291.[3] A. B.Migdal, Phys. Lett., B52(1974), 174; А. Б. Мигдал, УФН, 123(1977), 369.[4] A. A. Borovoy et al., J. Phys. G: Nucl. Phys., 5(1979), 723.[5] В. И. Алешин и. др., ЯФ, 26(1977), 196.[6] В. И. Алешин и. др., ЯФ, 30(1979), 318.[7] А. Б. Лопов и. др., ЯФ, 32(1980), 342.[8] 张贵山、张焕乔, 用蒙特卡洛法模拟铅玻舆全吸收谱仪探测r射线的响应和傀纽分拚函数(内部资料)1981.

[1]	D.E. Lyubashevsky , P.V. Kostryukov , A.A. Pisklyukov , J.D. Shcherbina . Evaluation of fission fragment moments of inertia for spontaneous fission of CF-252. Chinese Physics C, 2025, 49(2): 1-12.
[2]	ZHANG Jin-Zhao , TUO Xian-Guo . A Monte Carlo simulation and setup optimization of output efficiency to PGNAA thermal neutron using ²⁵²Cf neutrons. Chinese Physics C, 2014, 38(7): 078201. doi: 10.1088/1674-1137/38/7/078201
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[4]	R.C.Pardo¹ , R.Vondrasek¹ , T.Kulevoy¹ , 2 , V.Aseev¹ , R.Scott¹ , P.Suominen³ . An ECR Charge Breeder for the 252Cf Fission Source Project (CARIBU) at ATLAS. Chinese Physics C, 2007, 31(S1): 219-222.
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[7]	XU Chang , REN Zhong-Zhou , WANG Zai-Jun . New Formula for Spontaneous Fission Half-lives of Heavy Nuclei. Chinese Physics C, 2005, 29(7): 673-676.
[8]	MA Xin-Hua , ZHOU Xun-Xiu , WU Mei , ZHU Qing-Qi . Very High Energy Gamma Rays from Gamma Ray Bursts. Chinese Physics C, 2003, 27(11): 973-977.
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[12]	Han Hongyin , Huang Shengnian , Shen Guanren , Qiao Ying , Sun Gang . Anomalies of Neutron and γ-Ray Emission in Ternary Fission of ²⁵²Cf. Chinese Physics C, 1998, 22(3): 193-199.
[13]	Han Hongyin , Li Anli , Chen Jinhua , Huang Shengnian . Behaviour of Prompt Gamma-Ray Emission in ColdFission of ²⁵²Cf. Chinese Physics C, 1995, 19(1): 8-15.
[14]	Ge Lingxiao , Zhang Xiaodong , Zhu Quanling . Intermittency in the Heavy ion Collisions at Intermediate and High Energies. Chinese Physics C, 1994, 18(5): 428-432.
[15]	Lu Zhaoqi , Li Zhuxia . A Study of Reaction Mechanism in Intermediate Energy Proton-Nucleus Collisions. Chinese Physics C, 1994, 18(7): 647-651.
[16]	YANG Fu-Zhong , LIU Jian-Ye . Impact Parameter and Bombarding Energy Dependence of Collective Flow in the Dynamics Process of Intermediate High Energy Heavy Ion Collision. Chinese Physics C, 1992, 16(8): 749-753.
[17]	LIU Jian-Ye , GE Yu-Cheng . Nuclear Matter Density,Collision Number and Entropy in Dynamics Process of Intermediate High Energy Heavy Ion Collision. Chinese Physics C, 1991, 15(6): 556-561.
[18]	GE Ling-Xiao , ZHANG Jian-Ming , ZHANG Feng-Shou , ZHUO Yi-Zhong . The Properties of Nuclear Collective Flow in the Intermediate and High Energy Heavy-ion Collisions. Chinese Physics C, 1991, 15(11): 1041-1048.
[19]	ZHANG Gui-Shan , ZHANG Huan-Qiao . MONTE CARLO CALCULATION OF THE EFFICIENCIES OF THE LEAD GLASS DETECTORS FOR HIGH-ENERGY GAMMA RAYS. Chinese Physics C, 1983, 7(3): 370-378.
[20]	ZHANG JING-SHANG , ZHO YI-ZHONG , LU ZHAO-QI , ZHENG YU-MING . MICROSCOPIC STUDY FOR SPONTANEOUS FISSION OF ⁸Be. Chinese Physics C, 1979, 3(5): 610-615.

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ZHANG HUAN-QIAO, DING SHENG-YUE, LIU ZU-HUA, ZHANG GUI-SHAN, LIU ZHAO-MING, TANG XIO-WEI and LI HUAN-TIE. EXPERIMETAL SEARCH FOR HIGH ENERGY γ RAYS IN THE SPONTANEOUTANEOUS FISSIONS OF ²⁵²Cf[J]. Chinese Physics C, 1982, 6(4): 491-494.

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Received: 1980-11-10
Revised: 1982-01-16

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沈阳化工大学材料科学与工程学院沈阳 110142

EXPERIMETAL SEARCH FOR HIGH ENERGY γ RAYS IN THE SPONTANEOUTANEOUS FISSIONS OF ²⁵²Cf

Received Date: 1980-11-10
Accepted Date: 1982-01-16
Available Online: 1982-08-05

Abstract: In order to investigate the poss ibility of the existence of the ultradense nuclei, wehave used a lead glass Cerenkov total absorption spectrometer to search for highenergy γ rays in the spontaneous fissions of ²⁵²Cf. It follows that the upper limit ofthe probability of γ rays in the energy range between 50 and 240 MeV is 1.4 ×10^-6/fission (95% confidence level).

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EXPERIMETAL SEARCH FOR HIGH ENERGY γ RAYS IN THE SPONTANEOUTANEOUS FISSIONS OF ²⁵²Cf

EXPERIMETAL SEARCH FOR HIGH ENERGY γ RAYS IN THE SPONTANEOUTANEOUS FISSIONS OF ²⁵²Cf