β-Delayed γ Emissions of 26P and Its Mirror Asymmetry
Author:
Jian HaoORCID, Gao YufengORCID, Dai Fanchao, Liu Jiajian, Xu Xinxing, Yuan CenxiORCID, Kaneko Kazunari, Sun YangORCID, Liang Pengfei, Shi Guozhu, Sun Lijie, Xayavong LatsamyORCID, Lin Chengjian, Lee Jenny, Li Zhihuan, Yang Yanyun, Li Pengjie, Fan Rui, Zha Sixian, Zhu Haofan, Li Jinhai, Gao Qirui, Zhang Zhaozhan, Chen Ruofu, Wang Jiansong, Wang Dongxi, Wu Hongyi, Wang Kang, Lam YihuaORCID, Duan Fangfang, Ma Peng, Gao Zhihao, Hu Qiang, Bai Zhen, Ma Junbing, Wang Jianguo, Zhong Fupeng, Wu Chenguang, Luo Diwen, Jiang Ying, Liu Yang, Hou Dongsheng, Li Ren, Ma Nanru, Ma Weihu, Yu Gongming, Patel Dipika, Jin Shuya, Wang Yufeng, Yu Yuechao, Zhou Qingwu, Wang Peng, Hu Liyuan, Wang Xiang, Zang Hongliang, Zhao Qingqing, Yang Lei, Wen Peiwei, Yang Feng, Jia Huiming, Zhang Gaolong, Pan Min, Wang Xiaoyu, Sun Haohan, Wang Meng, Hu Zhengguo, Zhou Xiaohong, Zhang Yuhu, Xu Hushan, Liu Minliang, Ong Hooi-JinORCID, Yang Weiqing
Abstract
The study of the origin of asymmetries in mirror β decay is extremely important to understand the fundamental nuclear force and the nuclear structure. The experiment was performed at the National Laboratory of Heavy Ion Research Facility in Lanzhou (HIRFL) to measure the β-delayed γ rays of 26P by silicon array and Clover-type high-purity Germanium (HPGe) detectors. Combining with results from the β decay of 26P and its mirror nucleus 26Na, the mirror asymmetry parameter δ ( ≡ft+/ft−− 1) was determined to be 46(13)% for the transition feeding the first excited state in the daughter nucleus. Our independent results support the conclusion that the large mirror asymmetry is close to the proton halo structure in 26P.
Funder
the Strategic Priority Research Program of the Chinese Academy of Science National Natural Science Foundation of China
Subject
Physics and Astronomy (miscellaneous),General Mathematics,Chemistry (miscellaneous),Computer Science (miscellaneous)
Cited by
6 articles.
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