Observation of the 7 MeV excited spin-flip and non-spin-flip partners in Λ16O by γ-ray spectroscopy

被引：0

作者：

Ukai, M. ^{[1
,2
]}

Ajimura, S. ^{[3
]}

Akikawa, H. ^{[4
]}

Alburger, D. E. ^{[5
]}

Banu, A. ^{[6
]}

Chrien, R. E. ^{[5
]}

Franklin, G. B. ^{[7
]}

Franz, J. ^{[8
]}

Hashimoto, O. ^{[2
]}

Hayakawa, T. ^{[3
]}

Hotchi, H. ^{[5
]}

Imai, K. ^{[4
]}

Kishimoto, T. ^{[3
]}

May, M. ^{[5
]}

Millener, D. J. ^{[5
]}

Minami, S. ^{[3
]}

Miura, Y. ^{[2
]}

Miyoshi, T. ^{[2
]}

Mizunuma, K. ^{[2
]}

Nagae, T. ^{[9
]}

Nakamura, S. N. ^{[2
]}

Nakazawa, K. ^{[1
]}

Okayasu, Y. ^{[2
]}

Pile, P. ^{[5
]}

Quinn, B. P. ^{[7
]}

Rusek, A. ^{[5
]}

Sato, Y. ^{[9
]}

Sutter, R. ^{[5
]}

Takahashi, H. ^{[4
]}

Tang, L. ^{[10
]}

Tamura, H. ^{[2
]}

Tanida, K. ^{[11
]}

Yuan, L. ^{[10
]}

Zhou, S. H. ^{[12
]}

机构：

[1] Gifu Univ, Dept Phys, Gifu 5011193, Japan

[2] Tohoku Univ, Dept Phys, Sendai, Miyagi 9808578, Japan

[3] Osaka Univ, Dept Phys, Toyonaka, Osaka 5600043, Japan

[4] Kyoto Univ, Dept Phys, Kyoto 6068502, Japan

[5] Brookhaven Natl Lab, Upton, NY 11973 USA

[6] GSI Darmstadt, D-64291 Darmstadt, Germany

[7] Carnegie Mellon Univ, Pittsburgh, PA 15213 USA

[8] Univ Freiburg, Dept Phys, D-79104 Freiburg, Germany

[9] KEK, Inst Particle & Nucl Studies, Tsukuba, Ibaraki 3050801, Japan

[10] Hampton Univ, Dept Phys, Hampton, VA 23668 USA

[11] RIKEN, Wako, Saitama 3510198, Japan

[12] CIAE, Dept Phys, Beijing 102413, Peoples R China

来源：

PROCEEDINGS OF THE IX INTERNATIONAL CONFERENCE ON HYPERNUCLEAR AND STRANGE PARTICLE PHYSICS | 2007年

关键词：

D O I：

10.1007/978-3-540-76367-3_5

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

We have observed three gamma-ray transitions in O-16(Lambda) from both 7MeV excited spin-flip and non-spin-flip partners (2(-), 1(2)(-)) to the ground-state doublet (1(1)(-), 0(-)) via the O-16(K-, pi(-)) reaction. We have observed three gamma-ray transitions in O-16(Lambda) from both 7MeV excited spin-flip and non-spin-flip partners (2(-), 1(2)(-)) to the ground-state doublet (1(1)(-), 0(-)) via the O-16(K-, pi(-)) reaction. The 7 MeV excitation energies of the spin-doublet members (2(-), 1(2)(-)) were determined to be 6784 +/- 4 +/- 4 keV and 6562 +/- 1 +/- 2 keV, respectively, and thus the spacing was obtained to be 222 +/- 4 +/- 5 keV. This is the first observation of the spin-flip state directly populated by the (K-, pi(-)) reaction. Moreover, such directly populated spin-flip and non-spin-flip partners were resolved for the first time.

引用

页码：21 / +

页数：2

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