Systematics of production cross sections in 54 Cr-induced fusion evaporation reactions

被引：0

作者：

Sun, L. C. ^{[1
,2
]}

Zhang, Z. Y. ^{[2
,3
]}

Gan, Z. G. ^{[2
,3
,4
]}

Xu, S. Y. ^{[2
,3
]}

Zhang, M. M. ^{[2
]}

Wang, J. G. ^{[2
]}

Huang, M. H. ^{[2
,3
,4
]}

Ma, L. ^{[2
,4
]}

Yang, H. B. ^{[2
]}

Zhou, H. B. ^{[1
,5
]}

Wang, N. ^{[1
,5
]}

Yang, C. L. ^{[2
]}

Qiang, Y. H. ^{[2
]}

Wu, X. L. ^{[2
]}

Tian, Y. L. ^{[2
,4
]}

Wang, J. Y. ^{[2
]}

Wang, Y. S. ^{[2
,4
]}

Zhao, Z. ^{[2
,3
]}

Huang, X. Y. ^{[2
,3
]}

Li, Z. C. ^{[2
,3
]}

Zhang, X. ^{[2
,3
]}

Xie, G. ^{[2
,3
]}

Zhu, L. ^{[2
,3
]}

Zhou, H. ^{[2
,3
]}

Guan, F. ^{[1
,2
]}

He, Y. ^{[2
,3
]}

Sun, L. T. ^{[2
,3
]}

机构：

[1] Guangxi Normal Univ, Dept Phys, Guilin 541004, Peoples R China

[2] Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China

[3] Univ Chinese Acad Sci, Sch Nucl Sci & Technol, Beijing 100049, Peoples R China

[4] Adv Energy Sci & Technol Guangdong Lab, Huizhou 516029, Peoples R China

[5] Guangxi Normal Univ, Guangxi Key Lab Nucl Phys & Technol, Guilin 541004, Peoples R China

来源：

PHYSICAL REVIEW C | 2024年 / 110卷 / 01期

基金：

中国国家自然科学基金; 国家重点研发计划;

关键词：

HEAVY; NUCLEI; DECAY;

D O I：

10.1103/PhysRevC.110.014319

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

A series of fusion evaporation reactions induced by the 54Cr17+ Cr 17 + beam have been performed using the gas-filled recoil separator SHANS2. The excitation functions of 54 Cr + 159 Tb and 54 Cr + 165 Ho reactions were measured. The systematics of cross sections for reactions with 40 Ar, 48 Ca, 50 Ti, and 54 Cr projectiles are compiled and discussed. It is suggested that employing the 54 Cr beam holds the potential for synthesizing neutron-deficient actinide nuclei. In addition, we attempted to synthesize undiscovered americium isotopes with 175 Lu( 54 Cr , 3n-4n) n -4 n ) 225 ,226Am , 226 Am reactions. No events were observed originating from 225 Am and 226 Am, and the upper limits were estimated to be 2.1 and 1.7 pb, respectively. The significantly low fission barrier of the compound nucleus 229 Am, which leads to the small survival probability, might be a possible reason for the low cross sections.

引用

页数：7

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