Spreading width of the isobaric analog state and isospin mixing

Journal Article · Sun Dec 01 04:00:00 EST 1996 · Physical Review, C

DOI:https://doi.org/10.1103/PhysRevC.54.2954· OSTI ID:397691

Suzuki, T ^[1]; Sagawa, H ^[2]; Colo, G ^[3]

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1. Department of Physics, College of Humanities and Sciences, Nihon University, Sakurajosui 3-25-40, Setagaya-ku, Tokyo 156 (Japan)
2. Center for Mathematical Sciences, The University of Aizu, Aizu-Wakamatsu, Fukushima 965 (Japan)
3. Dipartimento di Fisica, Universita degli Studi, via Celoria 16, 20133 Milano (Italy)

We study a relation between the spreading width of the isobaric analog state and the isospin mixing probability of the corresponding parent state by using the Feshbach projection method. The formula is applied for calculations of the spreading width of several heavy isotopes and compared with available experimental data. Contributions from isovector monopole states are found to be important to explain quantitatively the experimental spreading width. The isospin dependence of the calculated width of several isotopes is also found to be consistent with the experimental observations. {copyright} {ital 1996 The American Physical Society.}

• OSTI ID: 397691
• Journal Information: Physical Review, C, Journal Name: Physical Review, C Journal Issue: 6 Vol. 54; ISSN 0556-2813; ISSN PRVCAN
• Country of Publication: United States
• Language: English

Related Subjects

66 PHYSICS
ISOBARIC ANALOGS
ISOSPIN
ISOTOPES
KOBAYASHI-MASKAWA MATRIX
MIXING
MONOPOLES
WIDTH