Systematics of Gamow-Teller strengths in mid-fp-shell nuclei

S. E. Koonin; K. Langanke

doi:10.1016/0370-2693(94)91183-5

Systematics of Gamow-Teller strengths in mid-fp-shell nuclei

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Abstract

We show that the presently available data on the Gamow-Teller (GT) strength in mid-fp-shell nuclei are proportional to the product of the numbers of valence protons and neutron holes in the full fp-shell. This observation leads to important insights into the mechanism for GT quenching and to a simple parametrization of the Gamow-Teller strengths important for electron capture by fp-shell nuclei in the early stage of supernovae.

Original language	English (US)
Pages (from-to)	5-8
Number of pages	4
Journal	Physics Letters B
Volume	326
Issue number	1-2
DOIs	https://doi.org/10.1016/0370-2693(94)91183-5
State	Published - Apr 28 1994

ASJC Scopus subject areas

Nuclear and High Energy Physics

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10.1016/0370-2693(94)91183-5

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title = "Systematics of Gamow-Teller strengths in mid-fp-shell nuclei",

abstract = "We show that the presently available data on the Gamow-Teller (GT) strength in mid-fp-shell nuclei are proportional to the product of the numbers of valence protons and neutron holes in the full fp-shell. This observation leads to important insights into the mechanism for GT quenching and to a simple parametrization of the Gamow-Teller strengths important for electron capture by fp-shell nuclei in the early stage of supernovae.",

author = "Koonin, {S. E.} and K. Langanke",

note = "Funding Information: We thank the CHARGEX collaboration for providing us with their (n,p) data prior to publication and are grateful to Petr Vogel for helpful discussions. This work was supported in part by the National Science Foundation, Grants No. PHY91-15574 and PHY90-13248.",

year = "1994",

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doi = "10.1016/0370-2693(94)91183-5",

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T1 - Systematics of Gamow-Teller strengths in mid-fp-shell nuclei

AU - Koonin, S. E.

AU - Langanke, K.

N1 - Funding Information: We thank the CHARGEX collaboration for providing us with their (n,p) data prior to publication and are grateful to Petr Vogel for helpful discussions. This work was supported in part by the National Science Foundation, Grants No. PHY91-15574 and PHY90-13248.

PY - 1994/4/28

Y1 - 1994/4/28

N2 - We show that the presently available data on the Gamow-Teller (GT) strength in mid-fp-shell nuclei are proportional to the product of the numbers of valence protons and neutron holes in the full fp-shell. This observation leads to important insights into the mechanism for GT quenching and to a simple parametrization of the Gamow-Teller strengths important for electron capture by fp-shell nuclei in the early stage of supernovae.

AB - We show that the presently available data on the Gamow-Teller (GT) strength in mid-fp-shell nuclei are proportional to the product of the numbers of valence protons and neutron holes in the full fp-shell. This observation leads to important insights into the mechanism for GT quenching and to a simple parametrization of the Gamow-Teller strengths important for electron capture by fp-shell nuclei in the early stage of supernovae.

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ER -

Systematics of Gamow-Teller strengths in mid-fp-shell nuclei

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