Excitation Halo States of <sup>12</sup>B

Chin. Phys. Lett.

2001, Vol. 18

Issue (9): 1183-1185 DOI:

Original Articles

Excitation Halo States of ¹²B

LIN Cheng-Jian;LIU Zu-Hua;ZHANG Huan-Qiao;WU Yue-Wei;YANG Feng;RUAN Ming

China Institute of Atomic Energy, P.O. Box 275(10), Beijing 102413

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LIN Cheng-Jian, LIU Zu-Hua, ZHANG Huan-Qiao et al 2001 Chin. Phys. Lett. 18 1183-1185

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Abstract Angular distributions for the ¹¹B(d,p ¹²B transfer reactions have been measured at E_lab = 11.8 MeV. The asymptotic normalization coefficients (ANC) of the ground state, the second and third excitation states for ¹²B(¹¹B+n) are extracted from the differential cross sections at three forward angles. With these ANCs, the root-mean-square radii are calculated for these three states. The results show that the second and third excitation states of ¹²B are neutron halo states.

Keywords: 21.10.-k 21.10.Ft 21.10.Gv 25.70.Hi

Published: 01 September 2001

PACS:	21.10.-k	(Properties of nuclei; nuclear energy levels)
	21.10.Ft	(Charge distribution)
	21.10.Gv	(Nucleon distributions and halo features)
	25.70.Hi	(Transfer reactions)

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y2001/V18/I9/01183

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	LIN Cheng-Jian
	LIU Zu-Hua
	ZHANG Huan-Qiao
	WU Yue-Wei
	YANG Feng
	RUAN Ming

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