Cascade gamma decay in the Lambda Li-7 hypernucleus - INSPIRE

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Cascade gamma decay in the Lambda Li-7 hypernucleus

E930'01

Collaboration

•

M. Ukai
(
- Tohoku U.
)

Jan, 2006

5 pages

Published in:

Phys.Rev.C 73 (2006) 012501

DOI:

10.1103/PhysRevC.73.012501

View in:

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Abstract: (APS)

In a γ-ray spectroscopy experiment with the (K−,π−) reaction on a B10 target, we have observed the 7/2+→5/2+ spin-flip M1 transition in Λ7Li via γ-γ coincidence with the 5/2+→1/2+E2 transition. This is the first successful γ−γ coincidence measurement for hypernuclei. The measured M1 γ-ray energy is 470.8±1.9(stat)±0.6(syst) keV. The spacing of the 7/2+,5/2+ doublet is consistently explained using the strengths of the spin-spin, Λ-spin-orbit, and tensor interactions obtained from previous γ-spectroscopy experiments.

21.80.+a
23.20.Lv
25.80.Nv
13.75.Ev
K- nucleus: nuclear reaction
boron
hypernucleus: hadroproduction
lithium: hypernucleus
hypernucleus: energy levels
hypernucleus: radiative decay

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Figures(0)

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