In this paper,the implantation-decay method is introduced to study the β-delayed charged particle decay.A silicon detector array was used for the implantation of the incident beams and for the detection of the emitte...In this paper,the implantation-decay method is introduced to study the β-delayed charged particle decay.A silicon detector array was used for the implantation of the incident beams and for the detection of the emitted particles.An experimental measurement on the β-delayed particle emission from ^(22)Al was used to demonstrate the method.The half-life value,charged particle spectroscopy,γ ray spectrum,and γ particle coincidence for the decay process were obtained and compared with previous experimental results for ^(22)Al.The results show that the implantation-decay method,using a silicon detector array,is a suitable experimental method to study the β-delayed charged particle decay for proton-rich nuclei.展开更多
DEAR EDITOR,Osteonecrosis is a common human disease in orthopedics.It is difficult to treat,and half of patients may need artificial joint replacement,resulting in a considerable economic burden and a reduction in qua...DEAR EDITOR,Osteonecrosis is a common human disease in orthopedics.It is difficult to treat,and half of patients may need artificial joint replacement,resulting in a considerable economic burden and a reduction in quality of life.Hormones are one of the major causes of osteonecrosis and high doses of corticosteroids are considered the most dangerous factor.展开更多
基金partially supported by the National Key R&D Program of China under Contract No.2018YFA0404404the National Natural Science Foundation of China under Contract Nos.11421505,11475244,and 11175231
文摘In this paper,the implantation-decay method is introduced to study the β-delayed charged particle decay.A silicon detector array was used for the implantation of the incident beams and for the detection of the emitted particles.An experimental measurement on the β-delayed particle emission from ^(22)Al was used to demonstrate the method.The half-life value,charged particle spectroscopy,γ ray spectrum,and γ particle coincidence for the decay process were obtained and compared with previous experimental results for ^(22)Al.The results show that the implantation-decay method,using a silicon detector array,is a suitable experimental method to study the β-delayed charged particle decay for proton-rich nuclei.
基金supported by the National Science and Key Technology Support Program(2014BAI01B01-07)Science and Technology Key Projects of Kunming(2014-04-A-S-01-3072)。
文摘DEAR EDITOR,Osteonecrosis is a common human disease in orthopedics.It is difficult to treat,and half of patients may need artificial joint replacement,resulting in a considerable economic burden and a reduction in quality of life.Hormones are one of the major causes of osteonecrosis and high doses of corticosteroids are considered the most dangerous factor.
