Experimental Study of Spin-Flip M1 Transition of <SUP>7</SUP><SUB>Λ</SUB>Li

ZHOU Shu-Hua; ZHU Li-Hua; XIA Hai-Hong; ZHU Xiao-Feng; WU Xiao-Guang; HOU Long; YANG Chun-Xiang; LIU Zu-Hua

Chinese Physics C> 2000, Vol. 24> Issue(S1) : 81-86

Experimental Study of Spin-Flip M1 Transition of ⁷_ΛLi

China Institute of Atomic Energy,Beijing 102413,China1 Department of Physics,Tohoku University,Sendai 980-8578,Japan2 Department of Physics University of Tokyo,Tokyo 113-0033,Japan3 Department of Physics,Kyoto University,Kyoto 606-8502,Japan4 Department of Physics,Soul National University,Soul 151-742,Korea5 Institute of Particle and Nuclear Studies,KEK,Tsukuba 305-0801,Japan6 Department of Physics,Sejong University,Soul 143-747,Kouea7 Laboratory of Nuclear Science,Tohoku University,Sendai 980-0826,Japan8 Physics Department,North Carolina A & T State University,Greensboro,NC 27411,USA9 Department of Physics,Hampton University,Hampton,VA 23668,USA

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Abstract：
Using a large-acceptance germanium detector array (Hyperball),the spin-flip M1 γ transition between the ground-state spin doublet of ⁷_ΛLi has been observed.The transition energy is 692±1keV,which provides crucial information on the strength of the spin-spin intetraction between Λ and nucleons.

References

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Bedjidian M et al. Phys. Lett.,1976,B62 :467; Bedjidian M et al. Phys. Lett.,1979, B83 : 2522 May M et al.Phys.Rev.Lett.,1983,51:20853 May M et al. Phys. Rev. Lett.,1997,78:43434 Chrien R E et al. Phys. Rev., 1990, C41: 10625 Tarnura H et al. Phys. Rev. Lett., 1997, 78 : 43436 Hiyama E et al. Phys. Rev., 1999, C59:23517 Millener D J et al. Phys. Rev., 1985. C31:4998 Fetisov N V et al. Z. Phys.,1991,A339:399

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ZHOU Shu-Hua, ZHU Li-Hua, XIA Hai-Hong, ZHU Xiao-Feng, WU Xiao-Guang, HOU Long, YANG Chun-Xiang and LIU Zu-Hua. Experimental Study of Spin-Flip M1 Transition of ⁷_ΛLi[J]. Chinese Physics C, 2000, 24(S1): 81-86.

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Received: 1900-01-01
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

Experimental Study of Spin-Flip M1 Transition of ⁷_ΛLi

Corresponding author: ZHOU Shu-Hua,

China Institute of Atomic Energy,Beijing 102413,China1 Department of Physics,Tohoku University,Sendai 980-8578,Japan2 Department of Physics University of Tokyo,Tokyo 113-0033,Japan3 Department of Physics,Kyoto University,Kyoto 606-8502,Japan4 Department of Physics,Soul National University,Soul 151-742,Korea5 Institute of Particle and Nuclear Studies,KEK,Tsukuba 305-0801,Japan6 Department of Physics,Sejong University,Soul 143-747,Kouea7 Laboratory of Nuclear Science,Tohoku University,Sendai 980-0826,Japan8 Physics Department,North Carolina A & T State University,Greensboro,NC 27411,USA9 Department of Physics,Hampton University,Hampton,VA 23668,USA

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 2000-07-15

Abstract: Using a large-acceptance germanium detector array (Hyperball),the spin-flip M1 γ transition between the ground-state spin doublet of ⁷_ΛLi has been observed.The transition energy is 692±1keV,which provides crucial information on the strength of the spin-spin intetraction between Λ and nucleons.