Chinese Physics C > 1997, Vol. 21 > Issue(S1): 443-446

Observation of Beta-Delayed Proton Decay of⁶⁹Kr

Institute of Modem Physics, Chinese Academy of Sciences, Lanzhou, China

Abstract
HTML
Reference
Related

PDF

Abstract：
A new group of protons at laboratory energy of 4.07±0.05 MeV with half-life of 32±10 ms was discovered via observing the decay proton spectrum produced in the ³²S + Ca reaction. By reaction channel analysis and comparing with theoretical prediction, this new proton radioactivity was assigned to the β-delayed proton decay of ⁶⁹Kr produced in the ⁴⁰Ca ( ³²S, 3n) reaction, corresponding to decay of the T=3/2 isobaric analog state in to the ground state of ⁶⁹Se. Combining this measurement with the Coulomb displacement energy calculation yields a mass excess for ⁶⁹Kr of -32.15±0.30 MeV. The partial decay scheme of ⁶⁹Kr was proposed.
- exotic nuclide,
- beta-delayed particle decay,
- mass excess
Access

Get Citation

Xu Xiaoji, Huang Wenxue, Ma Ruichang, Gu Zhongdao, Yang Yongfeng, Wang Yanyu and Dong Chengfu. Observation of Beta-Delayed Proton Decay of ⁶⁹Kr[J]. Chinese Physics C, 1997, 21(S1): 443-446.

Xu Xiaoji, Huang Wenxue, Ma Ruichang, Gu Zhongdao, Yang Yongfeng, Wang Yanyu and Dong Chengfu. Observation of Beta-Delayed Proton Decay of ⁶⁹Kr[J]. Chinese Physics C, 1997, 21(S1): 443-446. shu

RIS(for EndNote,Reference Manager,ProCite)

BibTex

Txt

Milestone

Received: 1996-08-27

Article Metric

Article Views(1564)
PDF Downloads(3)
Cited by(0)

Policy on re-use

To reuse of subscription content published by CPC, the users need to request permission from CPC, unless the content was published under an Open Access license which automatically permits that type of reuse.

通讯作者:陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

Observation of Beta-Delayed Proton Decay of⁶⁹Kr

Institute of Modem Physics, Chinese Academy of Sciences, Lanzhou, China

Received Date:1996-08-27

Abstract:A new group of protons at laboratory energy of 4.07±0.05 MeV with half-life of 32±10 ms was discovered via observing the decay proton spectrum produced in the³²S + Ca reaction. By reaction channel analysis and comparing with theoretical prediction, this new proton radioactivity was assigned to theβ-delayed proton decay of⁶⁹Kr produced in the⁴⁰Ca (³²S, 3n) reaction, corresponding to decay of theT=3/2 isobaric analog state in to the ground state of⁶⁹Se. Combining this measurement with the Coulomb displacement energy calculation yields a mass excess for⁶⁹Kr of -32.15±0.30 MeV. The partial decay scheme of⁶⁹Kr was proposed.