Possible magnetic rotational bands in 84Rb

Possible magnetic rotational bands in 84Rb

High-spin states in 84Rb are studied by using the 70Zn(18O, p3n)84Rb reaction at a beam energy of 75 MeV. Three high-lying negative-parity bands are established, whose level spacings are very regular, i.e., there is no signature splitting. The dipole character of the transitions of these three bands...

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Main Authors: Shuifa Shen, Feipeng Wang, Jiejie Shen, Guangbing Han, Shuxian Wen, Yupeng Yan, Xiaoguang Wu, Lihua Zhu, Chuangye He, Guangsheng Li
Format: Article
Language:English
Published: Elsevier 2021-11-01
Series:Physics Open
Subjects:
In-beam γ-spectroscopy
Magnetic dipole band
B(M1)/B(E2)
γ-γ directional correlations of oriented states (DCO)
Dynamic moment of inertia J(2)
Online Access:http://www.sciencedirect.com/science/article/pii/S2666032621000338
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spelling doaj-cf836e3bf8d744e79f40b76c7b33f7632021-09-05T04:41:51ZengElsevierPhysics Open2666-03262021-11-019100091Possible magnetic rotational bands in 84RbShuifa Shen0Feipeng Wang1Jiejie Shen2Guangbing Han3Shuxian Wen4Yupeng Yan5Xiaoguang Wu6Lihua Zhu7Chuangye He8Guangsheng Li9Hefei Institutes of Physical Science, Chinese Academy of Sciences, Anhui, Hefei, 230031, PR China; University of Science and Technology of China, Anhui, Hefei, 230027, PR China; School of Electronic, Electrical Engineering and Physics, Fujian University of Technology, Fujian, Fuzhou, 350118, PR China; School of Intelligent Manufacturing, Zhejiang Guangsha Vocational and Technical University of Construction, Zhejiang, Jinhua, 322100, PR China; School of Physics, Suranaree University of Technology, Nakhon Ratchasima, 30000, Thailand; Thailand Center of Excellence in Physics (ThEP), Commission on Higher Education, 328 Si Ayutthaya Road, Ratchathewi, Bangkok, 10400, Thailand; Corresponding author. Hefei Institutes of Physical Science, Chinese Academy of Sciences, Anhui, Hefei, 230031, PR China.Hefei Institutes of Physical Science, Chinese Academy of Sciences, Anhui, Hefei, 230031, PR China; University of Science and Technology of China, Anhui, Hefei, 230027, PR ChinaDivision of Health Sciences, Hangzhou Normal University, Zhejiang, Hangzhou, 310012, PR ChinaSchool of Physics, Shandong University, Shandong, Jinan, 250100, PR ChinaChina Institute of Atomic Energy, P. O. Box 275(10), Beijing, 102413, PR ChinaSchool of Physics, Suranaree University of Technology, Nakhon Ratchasima, 30000, Thailand; Thailand Center of Excellence in Physics (ThEP), Commission on Higher Education, 328 Si Ayutthaya Road, Ratchathewi, Bangkok, 10400, ThailandChina Institute of Atomic Energy, P. O. Box 275(10), Beijing, 102413, PR ChinaSchool of Physics and Nuclear Energy Engineering, Beihang University, Beijing, 100191, PR ChinaChina Institute of Atomic Energy, P. O. Box 275(10), Beijing, 102413, PR ChinaChina Institute of Atomic Energy, P. O. Box 275(10), Beijing, 102413, PR ChinaHigh-spin states in 84Rb are studied by using the 70Zn(18O, p3n)84Rb reaction at a beam energy of 75 MeV. Three high-lying negative-parity bands are established, whose level spacings are very regular, i.e., there is no signature splitting. The dipole character of the transitions of these three bands is assigned by the γ-γ directional correlations of oriented states (DCO) intensity ratios and the multipolarity M1 is suggested by analogy with multiparticle excitations in neighboring nuclei. Strong M1 and weak or no E2 transitions are observed. All these characteristic features show they are magnetic rotational bands.http://www.sciencedirect.com/science/article/pii/S2666032621000338In-beam γ-spectroscopyMagnetic dipole bandB(M1)/B(E2)γ-γ directional correlations of oriented states (DCO)Dynamic moment of inertia J(2)
collection DOAJ
language English
format Article
sources DOAJ
author Shuifa Shen
Feipeng Wang
Jiejie Shen
Guangbing Han
Shuxian Wen
Yupeng Yan
Xiaoguang Wu
Lihua Zhu
Chuangye He
Guangsheng Li
spellingShingle Shuifa Shen
Feipeng Wang
Jiejie Shen
Guangbing Han
Shuxian Wen
Yupeng Yan
Xiaoguang Wu
Lihua Zhu
Chuangye He
Guangsheng Li
Possible magnetic rotational bands in 84Rb
Physics Open
In-beam γ-spectroscopy
Magnetic dipole band
B(M1)/B(E2)
γ-γ directional correlations of oriented states (DCO)
Dynamic moment of inertia J(2)
author_facet Shuifa Shen
Feipeng Wang
Jiejie Shen
Guangbing Han
Shuxian Wen
Yupeng Yan
Xiaoguang Wu
Lihua Zhu
Chuangye He
Guangsheng Li
author_sort Shuifa Shen
title Possible magnetic rotational bands in 84Rb
title_short Possible magnetic rotational bands in 84Rb
title_full Possible magnetic rotational bands in 84Rb
title_fullStr Possible magnetic rotational bands in 84Rb
title_full_unstemmed Possible magnetic rotational bands in 84Rb
title_sort possible magnetic rotational bands in 84rb
publisher Elsevier
series Physics Open
issn 2666-0326
publishDate 2021-11-01
description High-spin states in 84Rb are studied by using the 70Zn(18O, p3n)84Rb reaction at a beam energy of 75 MeV. Three high-lying negative-parity bands are established, whose level spacings are very regular, i.e., there is no signature splitting. The dipole character of the transitions of these three bands is assigned by the γ-γ directional correlations of oriented states (DCO) intensity ratios and the multipolarity M1 is suggested by analogy with multiparticle excitations in neighboring nuclei. Strong M1 and weak or no E2 transitions are observed. All these characteristic features show they are magnetic rotational bands.
topic In-beam γ-spectroscopy
Magnetic dipole band
B(M1)/B(E2)
γ-γ directional correlations of oriented states (DCO)
Dynamic moment of inertia J(2)
url http://www.sciencedirect.com/science/article/pii/S2666032621000338
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