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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 × 10–2μ2N and B(M1;5/2+ → 3/2+g.s.) = 7.12+1.27–0.96 × 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. Furthermore, the current data are compared to importance-truncated no-core shell model calculations addressing effects due to continuum and three-body forces.

Authors:
 [1];  [2];  [3];  [4];  [4];  [2];  [1];  [2];  [5];  [3];  [5];  [2];  [6];  [7];  [2];  [5];  [2];  [8];  [9];  [1] more »;  [2];  [1];  [2];  [10] « less
  1. Michigan State Univ., East Lansing, MI (United States). National Superconducting Cyclotron Lab.
  2. Michigan State Univ., East Lansing, MI (United States). National Superconducting Cyclotron Lab. and Dept. of Physics and Astronomy
  3. TRIUMF, Vancouver, BC (Canada)
  4. Technische Univ. Darmstadt (Germany). Inst. fur Kernphysik
  5. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). Nuclear Science Division
  6. Michigan State Univ., East Lansing, MI (United States). National Superconducting Cyclotron Lab. and Joint Institute for Nuclear Astrophysics
  7. Centre National de la Recherche Scientifique (CNRS), Caen (France). Centre de Recherche sur les Ions, les Matériaux et la Photonique (CIMAP), Grand Accelerateur National d'Ions Lourds (GANIL)
  8. Florida State Univ., Tallahassee, FL (United States)
  9. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
  10. Michigan State Univ., East Lansing, MI (United States). National Superconducting Cyclotron Lab.; Central Michigan Univ., Mount Pleasant, MI (United States). Dept. of Physics
Publication Date:
Research Org.:
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States); Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States). Oak Ridge Leadership Computing Facility (OLCF); Argonne National Laboratory (ANL), Argonne, IL (United States); Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Nuclear Physics (NP); USDOE National Nuclear Security Administration (NNSA); National Science Foundation (NSF); Goethe University; Technical University of Darmstadt; German Research Foundation (DFG); National Research Council (NRC); 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); National Research Council (NRC) (Canada); Federal Ministry of Education and Research (BMBF); Natural Sciences and Engineering Research Council of Canada (NSERC); National Research Council Canada (NRC)
OSTI Identifier:
1423589
Alternate Identifier(s):
OSTI ID: 1233968; OSTI ID: 1253691
Report Number(s):
LLNL-JRNL-678530
Journal ID: ISSN 0556-2813; PRVCAN; ark:/13030/qt3mw6c5k8
Grant/Contract Number:  
AC02-05CH11231; PHY-1102511; NA0000979; SFB 634; 06DA7047I; 401945-2011; AC52-07NA27344; SCW1158
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Physical Review. C. Nuclear Physics
Additional Journal Information:
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. https://doi.org/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. 2015. "Lifetime measurements of C17 excited states and three-body and continuum effects". United States. https://doi.org/10.1103/PhysRevC.92.064314. https://www.osti.gov/servlets/purl/1423589.
@article{osti_1423589,
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+1.27–0.96 × 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. Furthermore, 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},
url = {https://www.osti.gov/biblio/1423589}, journal = {Physical Review. C. Nuclear Physics},
issn = {0556-2813},
number = 6,
volume = 92,
place = {United States},
year = {Fri Dec 18 00:00:00 EST 2015},
month = {Fri Dec 18 00:00:00 EST 2015}
}

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