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Beta decay of Ar-31

L. Axelsson ; J. Aysto ; M. J. G. Borge ; L. M. Fraile ; H. O. U. Fynbo ; A. Honkanen ; P. Hornshoj ; A. Jokinen ; Björn Jonson (Institutionen för experimentell fysik, Subatomär fysik) ; P. O. Lipas ; I. Martel ; I. Mukha ; Thomas Nilsson (Institutionen för experimentell fysik, Subatomär fysik) ; Göran Nyman (Institutionen för experimentell fysik, Subatomär fysik) ; B. Petersen ; K. Riisager ; Martin Smedberg (Institutionen för experimentell fysik, Subatomär fysik) ; O. Tengblad
Nuclear Physics A (0375-9474). Vol. 634 (1998), 4, p. 475-496.
[Artikel, refereegranskad vetenskaplig]

A complete study of Ar-31 beta decay has been made by high-resolution charged-particle and gamma-ray spectroscopy. Beta-delayed radiation was detected by an array of three charged-particle detectors and a large-volume germanium detector. Fifteen new energy levels were discovered in Cl-31. The beta-strength distribution, measured to 14.5 MeV, is compared with a shell-model calculation in the full sd space. The quenching of the Gamow-Teller strength and the isospin impurity of the IAS in Cl-31 are discussed. (C) 1998 Published by Elsevier Science B.V.

Nyckelord: radioactivity Ar-31 (from 1 GeV p on CaO powder target, selective mass, separation), measured beta p, beta 2p, beta gamma, E-p, I-p, deduced, E-x(Cl-31), log ft, Gamow-Teller strength, OXBASH shell-model, calculations, Gamow-Teller quenching, isospin mixing, DELAYED-PROTON DECAY, SD-SHELL NUCLEI, EMISSION, STRENGTH, NE-17

Denna post skapades 2006-08-28. Senast ändrad 2014-09-02.
CPL Pubid: 10865


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Institutionen för experimentell fysik, Subatomär fysik (1900-2005)



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