Shears bands in <sup>112</sup>In

LI Xue-Qin; ZHU Li-Hua; WU Xiao-Guang; HE Chuang-Ye; LIU Ying; PAN Bo; HAO Xin; LI Li-Hua; WANG Zhi-Min; LI Guang-Sheng; LI Zhong-Yu; WANG Shou-Yu; XU Qiang; WANG Jian-Guo; DING Huai-Bo; ZHAI Jian

doi:10.1088/1674-1137/33/S1/077

Chinese Physics C> 2009, Vol. 33> Issue(S1) : 209-211 DOI: 10.1088/1674-1137/33/S1/077

Shears bands in ¹¹²In

LI Xue-Qin ^1,6,, ,
ZHU Li-Hua ⁵ ,
WU Xiao-Guang ¹ ,
HE Chuang-Ye ¹ ,
LIU Ying ¹ ,
PAN Bo ¹ ,
HAO Xin ¹ ,
LI Li-Hua ¹ ,
WANG Zhi-Min ¹ ,
LI Guang-Sheng ¹ ,
LI Zhong-Yu ² ,
WANG Shou-Yu ² ,
XU Qiang ³ ,
WANG Jian-Guo ³ ,
DING Huai-Bo ³ ,
ZHAI Jian ⁴

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Abstract：
A new level scheme of ¹¹²In have been established up to 6.8 MeV in excitation energy and to a tentative spin of (21⁺) through the reaction ¹¹⁰Pd(⁷Li,5n)¹¹²In at a beam energy of 50 MeV. In-beam measurements involving γ-γ coincidences and directional correlation of oriented states were performed. M1 bands consisting of ΔI=1 dipole transitions have been observed. Possible quasiparticle configurations suggest that these bands are similar to the shears bands observed in Pb nuclei.

References

[1]

. Jenkins D G, Wadsworth R. nucl-ex/00070042. Kelsall N S, Wadsworth R. Phys. Rev. C, 2000, 613. Chiara C J, Asztalos S J et al. Phys. Rev. C, 2000, 61:034318-14. Clark R M, Asztakos S J et al. Phys. Rev., 1999,Lett82:32205. Gadea A, De Angelis G et al. Phys. Rev. C, 1999, 55: R16. Jenkins D G,Wadsworth R et al. Phys. Rev., 1999, Lett83:5007. Jenkins D G, Wadsworth R et al. Phys. Rev. C, 1998, 58:27038. Chiara C J, Fossan D B et al. Phys. Rev. C, 2001, 64:0543149. Vaska P, Fossan D B et al. Phys. Rev. C, 1998, 57: 163410. Chakrawarthy R S, Pillay R G. Phys. Rev. C, 1997, 55:15511. Clark R M et al. Phys. Lett. B, 1992, 275: 24712. WANG T K et al. submitted to Phys. Rev. Lett.13. Hubel H et al. Phys. Lett. B, 1992, 275: 25214. Baldsiefen G, Hubel H et al. Nucl. Phys. A, 1994, 574: 52115. Fauendorf S, MENG J et al. Proceedings of Conference on Physics From Large -ray Detector Arrays, 1994, 2: 5216. Smith M B, Appelbe D E et al. Phys. Rev. C, 2000, 61:034314

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LI Xue-Qin, ZHU Li-Hua, WU Xiao-Guang, HE Chuang-Ye, LIU Ying, PAN Bo, HAO Xin, LI Li-Hua, WANG Zhi-Min, LI Guang-Sheng, LI Zhong-Yu, WANG Shou-Yu, XU Qiang, WANG Jian-Guo, DING Huai-Bo and ZHAI Jian. Shears bands in ¹¹²In[J]. Chinese Physics C, 2009, 33(S1): 209-211. doi: 10.1088/1674-1137/33/S1/077

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Received: 2008-10-23
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

Shears bands in ¹¹²In

Corresponding author: LI Xue-Qin,

Received Date: 2008-10-23
Accepted Date: 1900-01-01
Available Online: 2009-01-10

Abstract: A new level scheme of ¹¹²In have been established up to 6.8 MeV in excitation energy and to a tentative spin of (21⁺) through the reaction ¹¹⁰Pd(⁷Li,5n)¹¹²In at a beam energy of 50 MeV. In-beam measurements involving γ-γ coincidences and directional correlation of oriented states were performed. M1 bands consisting of ΔI=1 dipole transitions have been observed. Possible quasiparticle configurations suggest that these bands are similar to the shears bands observed in Pb nuclei.