Anomalies of Neutron and γ-Ray Emission in Ternary Fission of <SUP>252</SUP>Cf

Han Hongyin; Huang Shengnian; Shen Guanren; Qiao Ying; Sun Gang

Chinese Physics C> 1998, Vol. 22> Issue(3) : 193-199

Anomalies of Neutron and γ-Ray Emission in Ternary Fission of ²⁵²Cf

China Institute of Atomic Energy,Beijing 102413

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Abstract：
In a four-parameter experiment the correlation between the neutron and γ-ray emission and the kinetic energy of the light-charged-particles (LCPs), such as alphas, tritons, deuterons and protons, was measured. The results show that the positive correlation called anomalies of the neutron and γ-ray emission in this paper, was observed for fission accompanied by low energy LCPs. In the case of high energy LCP emission, however, negative correlation was obtained. On the basis of the model calculation, the positive correlation is discussed tentatively.

References

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Wild F J, Baisden P A, Dougan R J et al. Phys. Rev., 1985, C32:488-495[2] Han Hongyin, Meng Jiangchen, Bao Zongyu et al. Chin. Jour. Nucl. Phys., 1985, 7:289-296[3] Piekan H, Blocki J, Krogulski T et al. Nucl. Phys., 1970, A146:273-287[4] Nargi E, Fraenkel Z. Phys. Rev., 1970, C2: 1156-1166[5] Mehta G K, Poilou J. Phys. Rev., 1973, C7:373-387[6] Ajitanand N M. Nucl. Phys., 1969, A133:625-629[7] Han Hongyin, Huang Shengnian, Meng Jiangchen et al. Nucl. Wta. for Basic and Applied Science Proceeding of the International Conference, Santa Fe, New Mexico, USA, 1985, 369-371[8] Pilz W, Neubert W, Lucas D et al. Kemenergie, 1989, 32:161-165[9] Pleasonton F, Ferguson R L, Schmitt H W. Phys. Rev., 1972, C6:1023-1039[10] Han Hongyin, Huang Shengnian, Shen Guamn et al. Nucl. Phys., 1997, A615:162-182[11] Frehaut J. Proceeding of a Consultants Meeting on Physics of Neutron Emission in Fission Organized byIAEA, Held in Mito City, Japan, 24-27 May, 1988, 99-111[12] Freankel Z. Phys. Rev., 1967. 156: 1283-1304[13] Hasse R W. Nucl. Phys., 1968, A118:577-591[14] Cqan N, Sandulescu A, Pashkevich V V. Phys. Rev., 1975, C11:782-788[15] Hofmann H, Nix J R Phys. Lett., 1983, 122B:117-120[16] Kapoor S S. Proceeding of a Consultants Meeting on Physics of Neutron Emission in Fission Organied by IAEA, Held in Mito City, Japan, 24-27, May, 1988, 221-240

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Han Hongyin, Huang Shengnian, Shen Guanren, Qiao Ying and Sun Gang. Anomalies of Neutron and γ-Ray Emission in Ternary Fission of ²⁵²Cf[J]. Chinese Physics C, 1998, 22(3): 193-199.

Han Hongyin, Huang Shengnian, Shen Guanren, Qiao Ying and Sun Gang. Anomalies of Neutron and γ-Ray Emission in Ternary Fission of ²⁵²Cf[J]. Chinese Physics C, 1998, 22(3): 193-199. 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

Anomalies of Neutron and γ-Ray Emission in Ternary Fission of ²⁵²Cf

Corresponding author: Han Hongyin,

China Institute of Atomic Energy,Beijing 102413

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 1998-03-05

Abstract: In a four-parameter experiment the correlation between the neutron and γ-ray emission and the kinetic energy of the light-charged-particles (LCPs), such as alphas, tritons, deuterons and protons, was measured. The results show that the positive correlation called anomalies of the neutron and γ-ray emission in this paper, was observed for fission accompanied by low energy LCPs. In the case of high energy LCP emission, however, negative correlation was obtained. On the basis of the model calculation, the positive correlation is discussed tentatively.