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Gade A, Janssens RV, Weisshaar D, et al. Nuclear structure towards N = 40 60Ca: in-beam γ-ray spectroscopy of 58,60Ti. Phys Rev Lett. 2014;112(11):112503doi: 10.1103/PhysRevLett.112.112503.
Gade, A., Janssens, R. V., Weisshaar, D., Brown, B. A., Lunderberg, E., Albers, M., Bader, V. M., Baugher, T., Bazin, D., Berryman, J. S., Campbell, C. M., Carpenter, M. P., Chiara, C. J., Crawford, H. L., Cromaz, M., Garg, U., Hoffman, C. R., Kondev, F. G., Langer, C., Lauritsen, T., Lee, I. Y., Lenzi, S. M., Matta, J. T., Nowacki, F., Recchia, F., Sieja, K., Stroberg, S. R., Tostevin, J. A., Williams, S. J., Wimmer, K., & Zhu, S. (2014). Nuclear structure towards N = 40 60Ca: in-beam γ-ray spectroscopy of 58,60Ti. Physical review letters, 112(11), 112503. https://doi.org/10.1103/PhysRevLett.112.112503
Gade, A, et al. "Nuclear structure towards N = 40 60Ca: in-beam γ-ray spectroscopy of 58,60Ti." Physical review letters vol. 112,11 (2014): 112503. doi: https://doi.org/10.1103/PhysRevLett.112.112503
Gade A, Janssens RV, Weisshaar D, Brown BA, Lunderberg E, Albers M, Bader VM, Baugher T, Bazin D, Berryman JS, Campbell CM, Carpenter MP, Chiara CJ, Crawford HL, Cromaz M, Garg U, Hoffman CR, Kondev FG, Langer C, Lauritsen T, Lee IY, Lenzi SM, Matta JT, Nowacki F, Recchia F, Sieja K, Stroberg SR, Tostevin JA, Williams SJ, Wimmer K, Zhu S. Nuclear structure towards N = 40 60Ca: in-beam γ-ray spectroscopy of 58,60Ti. Phys Rev Lett. 2014 Mar 21;112(11):112503. doi: 10.1103/PhysRevLett.112.112503. Epub 2014 Mar 21. PMID: 24702356.
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Phys Rev Lett. 2014 Mar 21;112(11):112503. doi: 10.1103/PhysRevLett.112.112503. Epub 2014 Mar 21.

Nuclear structure towards N = 40 60Ca: in-beam γ-ray spectroscopy of 58,60Ti.

Physical review letters

A Gade, R V F Janssens, D Weisshaar, B A Brown, E Lunderberg, M Albers, V M Bader, T Baugher, D Bazin, J S Berryman, C M Campbell, M P Carpenter, C J Chiara, H L Crawford, M Cromaz, U Garg, C R Hoffman, F G Kondev, C Langer, T Lauritsen, I Y Lee, S M Lenzi, J T Matta, F Nowacki, F Recchia, K Sieja, S R Stroberg, J A Tostevin, S J Williams, K Wimmer, S Zhu

Affiliations

  1. National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, Michigan 48824, USA and Department of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824, USA.
  2. Physics Division, Argonne National Laboratory, Argonne, Illinois 60439, USA.
  3. National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, Michigan 48824, USA.
  4. Nuclear Science Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA.
  5. Physics Division, Argonne National Laboratory, Argonne, Illinois 60439, USA and Department of Chemistry and Biochemistry, University of Maryland, College Park, Maryland 20742, USA.
  6. Department of Physics, University of Notre Dame, Notre Dame, Indiana 46556, USA.
  7. Nuclear Engineering Division, Argonne National Laboratory, Argonne, Illinois 60439, USA.
  8. National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, Michigan 48824, USA and Joint Institute for Nuclear Astrophysics, Michigan State University, East Lansing, Michigan 48824, USA.
  9. Dipartimento di Fisica e Astronomia dell'Università and INFN, Sezione di Padova, I-35131 Padova, Italy.
  10. IPHC, IN2P3-CNRS et Université de Strasbourg, F-67037 Strasbourg, France.
  11. Department of Physics, Faculty of Engineering and Physical Sciences, University of Surrey, Guildford GU2 7XH, United Kingdom.
  12. National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, Michigan 48824, USA and Department of Physics, Central Michigan University, Mt. Pleasant, Michigan 48859, USA.

PMID: 24702356 DOI: 10.1103/PhysRevLett.112.112503

Abstract

Excited states in the neutron-rich N = 38, 36 nuclei (60)Ti and (58)Ti were populated in nucleon-removal reactions from (61)V projectiles at 90 MeV/nucleon. The γ-ray transitions from such states in these Ti isotopes were detected with the advanced γ-ray tracking array GRETINA and were corrected event by event for large Doppler shifts (v/c ∼ 0.4) using the γ-ray interaction points deduced from online signal decomposition. The new data indicate that a steep decrease in quadrupole collectivity occurs when moving from neutron-rich N = 36, 38 Fe and Cr toward the Ti and Ca isotones. In fact, (58,60)Ti provide some of the most neutron-rich benchmarks accessible today for calculations attempting to determine the structure of the potentially doubly magic nucleus (60)Ca.

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