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Research article 252 views

Band structure in79Yand the question ofT=0pairing

  • S. D. Paul,C. Baktash,W. Satuła,C. J. Gross,I. Birriel,R. M. Clark,R. A. Cunningham,M. Devlin,P. Fallon,A. Galindo-Uribarri,T. Ginter,D. R. Lafosse,J. Kay,F. Lerma,I. Y. Lee,C. Leyland,A. O. Macchiavelli,B. D. MacDonald,S. J. Metcalfe,A. Piechaczek,D. C. Radford,W. Reviol,L. L. Riedinger,D. Rudolph,K. Rykaczewski,D. G. Sarantites,J. X. Saladin,D. Shapira,G. N. Sylvan,S. L. Tabor,K. S. Toth,W. Weintraub,D. F. Winchell,V. Q. Wood,R. Wyss,C. H. Yu
  • S. D. Paul
  • C. Baktash
  • W. Satuła
  • C. J. Gross
  • I. Birriel
  • R. M. Clark
  • R. A. Cunningham
  • M. Devlin
  • P. Fallon
  • A. Galindo-Uribarri
  • T. Ginter
  • D. R. Lafosse
  • J. Kay
  • F. Lerma
  • I. Y. Lee
  • C. Leyland
  • A. O. Macchiavelli
  • B. D. MacDonald
  • S. J. Metcalfe
  • A. Piechaczek
  • D. C. Radford
  • W. Reviol
  • L. L. Riedinger
  • D. Rudolph
  • K. Rykaczewski
  • D. G. Sarantites
  • J. X. Saladin
  • D. Shapira
  • G. N. Sylvan
  • S. L. Tabor
  • K. S. Toth
  • W. Weintraub
  • D. F. Winchell
  • V. Q. Wood
  • R. Wyss
  • C. H. Yu

physical review c, vol. 58, no. 6, pp. R3037–R3041, 1998

https://doi.org/10.1103/physrevc.58.r3037

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Abstract

Gamma rays in the N=Z+1 nucleus 79Y were identified using the reaction 28Si(54Fe,p2n)79Y at a 200 MeV beam energy and an experimental setup consisting of an array of Ge detectors and the Recoil Mass Spectrometer at Oak Ridge National Laboratory. With the help of additional γ-γ coincidence data obtained with Gammasphere, these γ rays were found to form a strongly coupled rotational band with rigid-rotor-like behavior. Results of conventional Nilsson-Strutinsky cranked shell model calculations, which predict a deformation of β2∼0.4, are in excellent agreement with the properties of this band. Similar calculations for the neighboring N=Z and N=Z+1 nuclei are also in good agreement with experimental data. This suggests that the presence of the putative T=0 neutron-proton pairing does not significantly affect such simple observables as the moments of inertia of these bands at low spins.

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How to cite

S. D. Paul,C. Baktash,W. Satuła,C. J. Gross,I. Birriel,R. M. Clark,R. A. Cunningham,M. Devlin,P. Fallon,A. Galindo-Uribarri,T. Ginter,D. R. Lafosse,J. Kay,F. Lerma,I. Y. Lee,C. Leyland,A. O. Macchiavelli,B. D. MacDonald,S. J. Metcalfe,A. Piechaczek,D. C. Radford,W. Reviol,L. L. Riedinger,D. Rudolph,K. Rykaczewski,D. G. Sarantites,J. X. Saladin,D. Shapira,G. N. Sylvan,S. L. Tabor,K. S. Toth,W. Weintraub,D. F. Winchell,V. Q. Wood,R. Wyss,C. H. Yu; S. D. Paul; C. Baktash; W. Satuła; C. J. Gross; I. Birriel; R. M. Clark; R. A. Cunningham; M. Devlin; P. Fallon; A. Galindo-Uribarri; T. Ginter; D. R. Lafosse; J. Kay; F. Lerma; I. Y. Lee; C. Leyland; A. O. Macchiavelli; B. D. MacDonald; S. J. Metcalfe; A. Piechaczek; D. C. Radford; W. Reviol; L. L. Riedinger; D. Rudolph; K. Rykaczewski; D. G. Sarantites; J. X. Saladin; D. Shapira; G. N. Sylvan; S. L. Tabor; K. S. Toth; W. Weintraub; D. F. Winchell; V. Q. Wood; R. Wyss; C. H. Yu. (1998). Band structure in79Yand the question ofT=0pairing. physical review c, 58(6), R3037–R3041. https://doi.org/10.1103/physrevc.58.r3037

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