Identification of a proton-emitting isomer in [Formula Presented]

C. R. Bingham; J. C. Batchelder; K. Rykaczewski; K. S. Toth; C. H. Yu; T. N. Ginter; C. J. Gross; R. Grzywacz; M. Karny; S. H. Kim; B. D. MacDonald; J. Mas; J. W. McConnell; P. B. Semmes; J. Szerypo; W. Weintraub; E. F. Zganjar

doi:10.1103/PhysRevC.59.R2984

Identification of a proton-emitting isomer in [Formula Presented]

C. R. Bingham
, J. C. Batchelder
, K. Rykaczewski
, K. S. Toth
, C. H. Yu
, T. N. Ginter
, C. J. Gross
, R. Grzywacz
, M. Karny
, S. H. Kim
, B. D. MacDonald
, J. Mas
, J. W. McConnell
, P. B. Semmes
, J. Szerypo
, W. Weintraub
, E. F. Zganjar

Neutrino Research

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

46 Scopus citations

Abstract

An isomer of [Formula Presented] was identified by its direct proton radioactivity. It was produced by bombardment of [Formula Presented] with 266-MeV [Formula Presented] from the Holifield Radioactive-Ion Beam Facility, mass separated with a recoil separator and implanted in a double-sided silicon strip detector, which provided signals to correlate each proton decay with a particular implant. The proton energy and half-life of [Formula Presented] were measured to be 1310(10) keV and [Formula Presented] respectively. The half-life of the previously known [Formula Presented] ground state was observed to be [Formula Presented] in agreement with the previously adopted value of 88(10) ms. Comparison of the half-life of [Formula Presented] with WKB barrier-penetration calculations leads to the conclusion that the isomer is a [Formula Presented] proton state. A two-potential approach predicts a half-life of [Formula Presented] which yields an experimental spectroscopic factor of [Formula Presented]

Original language	English
Pages (from-to)	R2984-R2988
Journal	Physical Review C - Nuclear Physics
Volume	59
Issue number	6
DOIs	https://doi.org/10.1103/PhysRevC.59.R2984
State	Published - 1999

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Bingham, C. R., Batchelder, J. C., Rykaczewski, K., Toth, K. S., Yu, C. H., Ginter, T. N., Gross, C. J., Grzywacz, R., Karny, M., Kim, S. H., MacDonald, B. D., Mas, J., McConnell, J. W., Semmes, P. B., Szerypo, J., Weintraub, W., & Zganjar, E. F. (1999). Identification of a proton-emitting isomer in [Formula Presented]. Physical Review C - Nuclear Physics, 59(6), R2984-R2988. https://doi.org/10.1103/PhysRevC.59.R2984

@article{c3fbccec5ac44b1a8f460ff3453d8359,

title = "Identification of a proton-emitting isomer in [Formula Presented]",

abstract = "An isomer of [Formula Presented] was identified by its direct proton radioactivity. It was produced by bombardment of [Formula Presented] with 266-MeV [Formula Presented] from the Holifield Radioactive-Ion Beam Facility, mass separated with a recoil separator and implanted in a double-sided silicon strip detector, which provided signals to correlate each proton decay with a particular implant. The proton energy and half-life of [Formula Presented] were measured to be 1310(10) keV and [Formula Presented] respectively. The half-life of the previously known [Formula Presented] ground state was observed to be [Formula Presented] in agreement with the previously adopted value of 88(10) ms. Comparison of the half-life of [Formula Presented] with WKB barrier-penetration calculations leads to the conclusion that the isomer is a [Formula Presented] proton state. A two-potential approach predicts a half-life of [Formula Presented] which yields an experimental spectroscopic factor of [Formula Presented]",

author = "Bingham, \{C. R.\} and Batchelder, \{J. C.\} and K. Rykaczewski and Toth, \{K. S.\} and Yu, \{C. H.\} and Ginter, \{T. N.\} and Gross, \{C. J.\} and R. Grzywacz and M. Karny and Kim, \{S. H.\} and MacDonald, \{B. D.\} and J. Mas and McConnell, \{J. W.\} and Semmes, \{P. B.\} and J. Szerypo and W. Weintraub and Zganjar, \{E. F.\}",

year = "1999",

doi = "10.1103/PhysRevC.59.R2984",

language = "English",

volume = "59",

pages = "R2984--R2988",

journal = "Physical Review C - Nuclear Physics",

issn = "0556-2813",

number = "6",

}

Bingham, CR, Batchelder, JC, Rykaczewski, K, Toth, KS, Yu, CH, Ginter, TN, Gross, CJ, Grzywacz, R, Karny, M, Kim, SH, MacDonald, BD, Mas, J, McConnell, JW, Semmes, PB, Szerypo, J, Weintraub, W & Zganjar, EF 1999, 'Identification of a proton-emitting isomer in [Formula Presented]', Physical Review C - Nuclear Physics, vol. 59, no. 6, pp. R2984-R2988. https://doi.org/10.1103/PhysRevC.59.R2984

TY - JOUR

T1 - Identification of a proton-emitting isomer in [Formula Presented]

AU - Bingham, C. R.

AU - Batchelder, J. C.

AU - Rykaczewski, K.

AU - Toth, K. S.

AU - Yu, C. H.

AU - Ginter, T. N.

AU - Gross, C. J.

AU - Grzywacz, R.

AU - Karny, M.

AU - Kim, S. H.

AU - MacDonald, B. D.

AU - Mas, J.

AU - McConnell, J. W.

AU - Semmes, P. B.

AU - Szerypo, J.

AU - Weintraub, W.

AU - Zganjar, E. F.

PY - 1999

Y1 - 1999

N2 - An isomer of [Formula Presented] was identified by its direct proton radioactivity. It was produced by bombardment of [Formula Presented] with 266-MeV [Formula Presented] from the Holifield Radioactive-Ion Beam Facility, mass separated with a recoil separator and implanted in a double-sided silicon strip detector, which provided signals to correlate each proton decay with a particular implant. The proton energy and half-life of [Formula Presented] were measured to be 1310(10) keV and [Formula Presented] respectively. The half-life of the previously known [Formula Presented] ground state was observed to be [Formula Presented] in agreement with the previously adopted value of 88(10) ms. Comparison of the half-life of [Formula Presented] with WKB barrier-penetration calculations leads to the conclusion that the isomer is a [Formula Presented] proton state. A two-potential approach predicts a half-life of [Formula Presented] which yields an experimental spectroscopic factor of [Formula Presented]

AB - An isomer of [Formula Presented] was identified by its direct proton radioactivity. It was produced by bombardment of [Formula Presented] with 266-MeV [Formula Presented] from the Holifield Radioactive-Ion Beam Facility, mass separated with a recoil separator and implanted in a double-sided silicon strip detector, which provided signals to correlate each proton decay with a particular implant. The proton energy and half-life of [Formula Presented] were measured to be 1310(10) keV and [Formula Presented] respectively. The half-life of the previously known [Formula Presented] ground state was observed to be [Formula Presented] in agreement with the previously adopted value of 88(10) ms. Comparison of the half-life of [Formula Presented] with WKB barrier-penetration calculations leads to the conclusion that the isomer is a [Formula Presented] proton state. A two-potential approach predicts a half-life of [Formula Presented] which yields an experimental spectroscopic factor of [Formula Presented]

UR - https://www.scopus.com/pages/publications/0033464787

U2 - 10.1103/PhysRevC.59.R2984

DO - 10.1103/PhysRevC.59.R2984

M3 - Article

AN - SCOPUS:0033464787

SN - 0556-2813

VL - 59

SP - R2984-R2988

JO - Physical Review C - Nuclear Physics

JF - Physical Review C - Nuclear Physics

IS - 6

ER -

Identification of a proton-emitting isomer in [Formula Presented]

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