Observation of a spin-flip M1 transition in 7(lambda)Li.

Observation of a spin-flip M1 transition in 7(lambda)Li.
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DOI:
10.1103/physrevlett.84.5963
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发表时间:
2000-06
影响因子:
8.6
通讯作者:
H. Tamura;K. Tanida;D. Abe;H. Akikawa;K. Araki;H. Bhang;T. Endo;Y. Fujii;T. Fukuda;O. Hashimoto;K. Imai;H. Hotchi;Y. Kakiguchi;J. Kim;Yeongduk Kim;T. Miyoshi;T. Murakami;T. Nagae;H. Noumi;H. Outa;K. Ozawa;T. Saito;J. Sasao;Y. Sato;S. Satoh;R. Sawafta;M. Sekimoto;T. Takahashi;L. Tang;H. Xia;S. H. Zhou;L. Zhu
H. Tamura;K. Tanida;D. Abe;H. Akikawa;K. Araki;H. Bhang;T. Endo;Y. Fujii;T. Fukuda;O. Hashimoto;K. Imai;H. Hotchi;Y. Kakiguchi;J. Kim;Yeongduk Kim;T. Miyoshi;T. Murakami;T. Nagae;H. Noumi;H. Outa;K. Ozawa;T. Saito;J. Sasao;Y. Sato;S. Satoh;R. Sawafta;M. Sekimoto;T. Takahashi;L. Tang;H. Xia;S. H. Zhou;L. Zhu
中科院分区:
物理与天体物理1区
文献类型:
--
作者:
H. Tamura;K. Tanida;D. Abe;H. Akikawa;K. Araki;H. Bhang;T. Endo;Y. Fujii;T. Fukuda;O. Hashimoto;K. Imai;H. Hotchi;Y. Kakiguchi;J. Kim;Yeongduk Kim;T. Miyoshi;T. Murakami;T. Nagae;H. Noumi;H. Outa;K. Ozawa;T. Saito;J. Sasao;Y. Sato;S. Satoh;R. Sawafta;M. Sekimoto;T. Takahashi;L. Tang;H. Xia;S. H. Zhou;L. Zhu

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利用大接收锗探测器阵列(Hyperball),我们观察到(7)(λ)Li(3/2(+)-->1/2(+))基态自旋二重态之间的自旋翻转M1伽马跃迁。观测到的能量为691.7+/-0.6(stat)+/-1.0(syst)keV,提供了关于λ和核子之间自旋-自旋相互作用强度的关键信息。这是第一次使用锗探测器观察到明确的超核伽马跃迁。
Using a large-acceptance germanium detector array (Hyperball), we have observed a spin-flip M1 gamma transition between the ground-state spin doublet of (7)(Lambda)Li (3/2(+)-->1/2(+)). The observed energy of 691.7+/-0.6(stat)+/-1.0(syst) keV provides crucial information on the strength of the spin-spin interaction between a Lambda and a nucleon. This is the first observation of well-identified hypernuclear gamma transitions using germanium detectors.