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Title: Lifetime measurements of C 17 excited states and three-body and continuum effects

Abstract

We studied transition rates for the lowest 1/2 + and 5/2 + excited states of 17C through lifetime measurements with the GRETINA array using the recoil-distance method. The present measurements provide a model-independent determination of transition strengths giving the values of B(M1;1/2 +→3/2 + g.s.)=1.04+0.03−0.12 ×10 -2μ 2 N and B(M1;5/2 +→3/2 + g.s.)=7.12-0.96+1.27×10 -2μ 2 N. The quenched M1 transition strength for the 1/2+→3/2 + g.s. transition, with respect to the 5/2 +→3/2 + g.s. transition, has been confirmed with greater precision. The current data are compared to importance-truncated no-core shell model calculations addressing effects due to continuum and three-body forces.

Authors:
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Publication Date:
Sponsoring Org.:
USDOE Office of Science (SC), Nuclear Physics (NP) (SC-26); USDOE National Nuclear Security Administration (NNSA); National Science Foundation (NSF); Goethe Univ., Frankfurt (Germany). Center for Scientific Computing (CSC); Technical Univ. of Darmstadt, Lichtenberg (Germany); Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States); Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Oak Ridge Leadership Computing Facility (OLCF); German Research Foundation (DFG); National Research Council (NRC) (Canada)
OSTI Identifier:
1233968
Grant/Contract Number:  
AC02-05CH11231; PHY-1102511; NA0000979; SFB 634; 06DA7047I; 401945-2011; AC52-07NA27344; SCW1158
Resource Type:
Publisher's Accepted Manuscript
Journal Name:
Physical Review. C, Nuclear Physics
Additional Journal Information:
Journal Name: Physical Review. C, Nuclear Physics Journal Volume: 92 Journal Issue: 6; Journal ID: ISSN 0556-2813
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
73 NUCLEAR PHYSICS AND RADIATION PHYSICS

Citation Formats

Smalley, D., Iwasaki, H., Navrátil, P., Roth, R., Langhammer, J., Bader, V. M., Bazin, D., Berryman, J. S., Campbell, C. M., Dohet-Eraly, J., Fallon, P., Gade, A., Langer, C., Lemasson, A., Loelius, C., Macchiavelli, A. O., Morse, C., Parker, J., Quaglioni, S., Recchia, F., Stroberg, S. R., Weisshaar, D., Whitmore, K., and Wimmer, K. Lifetime measurements of C17 excited states and three-body and continuum effects. United States: N. p., 2015. Web. doi:10.1103/PhysRevC.92.064314.
Smalley, D., Iwasaki, H., Navrátil, P., Roth, R., Langhammer, J., Bader, V. M., Bazin, D., Berryman, J. S., Campbell, C. M., Dohet-Eraly, J., Fallon, P., Gade, A., Langer, C., Lemasson, A., Loelius, C., Macchiavelli, A. O., Morse, C., Parker, J., Quaglioni, S., Recchia, F., Stroberg, S. R., Weisshaar, D., Whitmore, K., & Wimmer, K. Lifetime measurements of C17 excited states and three-body and continuum effects. United States. doi:10.1103/PhysRevC.92.064314.
Smalley, D., Iwasaki, H., Navrátil, P., Roth, R., Langhammer, J., Bader, V. M., Bazin, D., Berryman, J. S., Campbell, C. M., Dohet-Eraly, J., Fallon, P., Gade, A., Langer, C., Lemasson, A., Loelius, C., Macchiavelli, A. O., Morse, C., Parker, J., Quaglioni, S., Recchia, F., Stroberg, S. R., Weisshaar, D., Whitmore, K., and Wimmer, K. Fri . "Lifetime measurements of C17 excited states and three-body and continuum effects". United States. doi:10.1103/PhysRevC.92.064314.
@article{osti_1233968,
title = {Lifetime measurements of C17 excited states and three-body and continuum effects},
author = {Smalley, D. and Iwasaki, H. and Navrátil, P. and Roth, R. and Langhammer, J. and Bader, V. M. and Bazin, D. and Berryman, J. S. and Campbell, C. M. and Dohet-Eraly, J. and Fallon, P. and Gade, A. and Langer, C. and Lemasson, A. and Loelius, C. and Macchiavelli, A. O. and Morse, C. and Parker, J. and Quaglioni, S. and Recchia, F. and Stroberg, S. R. and Weisshaar, D. and Whitmore, K. and Wimmer, K.},
abstractNote = {We studied transition rates for the lowest 1/2+ and 5/2+ excited states of 17C through lifetime measurements with the GRETINA array using the recoil-distance method. The present measurements provide a model-independent determination of transition strengths giving the values of B(M1;1/2+→3/2+g.s.)=1.04+0.03−0.12 ×10-2μ2N and B(M1;5/2+→3/2+g.s.)=7.12-0.96+1.27×10-2μ2N. The quenched M1 transition strength for the 1/2+→3/2+g.s. transition, with respect to the 5/2+→3/2+g.s. transition, has been confirmed with greater precision. The current data are compared to importance-truncated no-core shell model calculations addressing effects due to continuum and three-body forces.},
doi = {10.1103/PhysRevC.92.064314},
journal = {Physical Review. C, Nuclear Physics},
number = 6,
volume = 92,
place = {United States},
year = {2015},
month = {12}
}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record
DOI: 10.1103/PhysRevC.92.064314

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