Coherent contributions to isospin mixing in the mirror pair 67As and 67Se

R. Orlandi; G. de Angelis; P.G. Bizzeti; S. Lunardi; A. Gadea; A.M. Bizzeti-Sona; A. Bracco; F. Brandolini; M.P. Carpenter; C.J. Chiara; F. Della Vedova; E. Farnea; J.P. Greene; S.M. Lenzi; S. Leoni; C.J. Lister; N. Marginean; D. Mengoni; D.R. Napoli; B.S. Nara Singh; O.L. Pechenaya; F. Recchia; W. Reviol; E. Sahin; D.G. Sarantites; D. Seweryniak; D. Tonev; C.A. Ur; J.J. Valiente-Dobon; R. Wadsworth; K.T. Wiedemann; S. Zhu

doi:10.1103/PhysRevLett.103.052501

Coherent contributions to isospin mixing in the mirror pair 67As and 67Se

R. Orlandi, G. de Angelis, P.G. Bizzeti, S. Lunardi, A. Gadea, A.M. Bizzeti-Sona, A. Bracco, F. Brandolini, M.P. Carpenter, C.J. Chiara, F. Della Vedova, E. Farnea, J.P. Greene, S.M. Lenzi, S. Leoni, C.J. Lister, N. Marginean, D. Mengoni, D.R. Napoli, B.S. Nara SinghO.L. Pechenaya, F. Recchia, W. Reviol, E. Sahin, D.G. Sarantites, D. Seweryniak, D. Tonev, C.A. Ur, J.J. Valiente-Dobon, R. Wadsworth, K.T. Wiedemann, S. Zhu

Research output: Contribution to journal › Article › peer-review

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Abstract

Isospin symmetry breaking has been investigated in mass A=67 mirror nuclei through the experimental determination of the E1 strengths of analog electromagnetic transitions. Lifetimes of excited states have been measured in 67Se and 67As with the centroid shift method. Through the comparison of the
B(E1) strengths of the mirror 9/2+→7/2− transitions, the isovector and the isoscalar components of the electromagnetic transition amplitude were extracted. The presence of a large isoscalar component provides evidence for coherent contributions to isospin mixing, probably involving the isovector giant monopole resonance.

Original language	English
Article number	052501
Number of pages	4
Journal	Physical Review Letters
Volume	103
Issue number	5
DOIs	https://doi.org/10.1103/PhysRevLett.103.052501
Publication status	Published - 28 Jul 2009
Externally published	Yes

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Orlandi, R., de Angelis, G., Bizzeti, P. G., Lunardi, S., Gadea, A., Bizzeti-Sona, A. M., Bracco, A., Brandolini, F., Carpenter, M. P., Chiara, C. J., Della Vedova, F., Farnea, E., Greene, J. P., Lenzi, S. M., Leoni, S., Lister, C. J., Marginean, N., Mengoni, D., Napoli, D. R., ... Zhu, S. (2009). Coherent contributions to isospin mixing in the mirror pair 67As and 67Se. Physical Review Letters, 103(5), Article 052501. https://doi.org/10.1103/PhysRevLett.103.052501

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title = "Coherent contributions to isospin mixing in the mirror pair 67As and 67Se",

abstract = "Isospin symmetry breaking has been investigated in mass A=67 mirror nuclei through the experimental determination of the E1 strengths of analog electromagnetic transitions. Lifetimes of excited states have been measured in 67Se and 67As with the centroid shift method. Through the comparison of the B(E1) strengths of the mirror 9/2+→7/2− transitions, the isovector and the isoscalar components of the electromagnetic transition amplitude were extracted. The presence of a large isoscalar component provides evidence for coherent contributions to isospin mixing, probably involving the isovector giant monopole resonance.",

author = "R. Orlandi and {de Angelis}, G. and P.G. Bizzeti and S. Lunardi and A. Gadea and A.M. Bizzeti-Sona and A. Bracco and F. Brandolini and M.P. Carpenter and C.J. Chiara and {Della Vedova}, F. and E. Farnea and J.P. Greene and S.M. Lenzi and S. Leoni and C.J. Lister and N. Marginean and D. Mengoni and D.R. Napoli and {Nara Singh}, B.S. and O.L. Pechenaya and F. Recchia and W. Reviol and E. Sahin and D.G. Sarantites and D. Seweryniak and D. Tonev and C.A. Ur and J.J. Valiente-Dobon and R. Wadsworth and K.T. Wiedemann and S. Zhu",

year = "2009",

month = jul,

day = "28",

doi = "10.1103/PhysRevLett.103.052501",

language = "English",

volume = "103",

journal = "Physical Review Letters",

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publisher = "American Physical Society",

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Orlandi, R, de Angelis, G, Bizzeti, PG, Lunardi, S, Gadea, A, Bizzeti-Sona, AM, Bracco, A, Brandolini, F, Carpenter, MP, Chiara, CJ, Della Vedova, F, Farnea, E, Greene, JP, Lenzi, SM, Leoni, S, Lister, CJ, Marginean, N, Mengoni, D, Napoli, DR, Nara Singh, BS, Pechenaya, OL, Recchia, F, Reviol, W, Sahin, E, Sarantites, DG, Seweryniak, D, Tonev, D, Ur, CA, Valiente-Dobon, JJ, Wadsworth, R, Wiedemann, KT & Zhu, S 2009, 'Coherent contributions to isospin mixing in the mirror pair 67As and 67Se', Physical Review Letters, vol. 103, no. 5, 052501. https://doi.org/10.1103/PhysRevLett.103.052501

TY - JOUR

T1 - Coherent contributions to isospin mixing in the mirror pair 67As and 67Se

AU - Orlandi, R.

AU - de Angelis, G.

AU - Bizzeti, P.G.

AU - Lunardi, S.

AU - Gadea, A.

AU - Bizzeti-Sona, A.M.

AU - Bracco, A.

AU - Brandolini, F.

AU - Carpenter, M.P.

AU - Chiara, C.J.

AU - Della Vedova, F.

AU - Farnea, E.

AU - Greene, J.P.

AU - Lenzi, S.M.

AU - Leoni, S.

AU - Lister, C.J.

AU - Marginean, N.

AU - Mengoni, D.

AU - Napoli, D.R.

AU - Nara Singh, B.S.

AU - Pechenaya, O.L.

AU - Recchia, F.

AU - Reviol, W.

AU - Sahin, E.

AU - Sarantites, D.G.

AU - Seweryniak, D.

AU - Tonev, D.

AU - Ur, C.A.

AU - Valiente-Dobon, J.J.

AU - Wadsworth, R.

AU - Wiedemann, K.T.

AU - Zhu, S.

PY - 2009/7/28

Y1 - 2009/7/28

N2 - Isospin symmetry breaking has been investigated in mass A=67 mirror nuclei through the experimental determination of the E1 strengths of analog electromagnetic transitions. Lifetimes of excited states have been measured in 67Se and 67As with the centroid shift method. Through the comparison of the B(E1) strengths of the mirror 9/2+→7/2− transitions, the isovector and the isoscalar components of the electromagnetic transition amplitude were extracted. The presence of a large isoscalar component provides evidence for coherent contributions to isospin mixing, probably involving the isovector giant monopole resonance.

AB - Isospin symmetry breaking has been investigated in mass A=67 mirror nuclei through the experimental determination of the E1 strengths of analog electromagnetic transitions. Lifetimes of excited states have been measured in 67Se and 67As with the centroid shift method. Through the comparison of the B(E1) strengths of the mirror 9/2+→7/2− transitions, the isovector and the isoscalar components of the electromagnetic transition amplitude were extracted. The presence of a large isoscalar component provides evidence for coherent contributions to isospin mixing, probably involving the isovector giant monopole resonance.

U2 - 10.1103/PhysRevLett.103.052501

DO - 10.1103/PhysRevLett.103.052501

M3 - Article

SN - 0031-9007

VL - 103

JO - Physical Review Letters

JF - Physical Review Letters

IS - 5

M1 - 052501

ER -

Coherent contributions to isospin mixing in the mirror pair 67As and 67Se

Abstract

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