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Hosmer PT, Schatz H, Aprahamian A, et al. Half-life of the doubly magic r-process nucleus 78Ni. Phys Rev Lett. 2005;94(11):112501doi: 10.1103/PhysRevLett.94.112501.
Hosmer, P. T., Schatz, H., Aprahamian, A., Arndt, O., Clement, R. R., Estrade, A., Kratz, K. L., Liddick, S. N., Mantica, P. F., Mueller, W. F., Montes, F., Morton, A. C., Ouellette, M., Pellegrini, E., Pfeiffer, B., Reeder, P., Santi, P., Steiner, M., Stolz, A., Tomlin, B. E., Walters, W. B., & Wöhr, A. (2005). Half-life of the doubly magic r-process nucleus 78Ni. Physical review letters, 94(11), 112501. https://doi.org/10.1103/PhysRevLett.94.112501
Hosmer, P T, et al. "Half-life of the doubly magic r-process nucleus 78Ni." Physical review letters vol. 94,11 (2005): 112501. doi: https://doi.org/10.1103/PhysRevLett.94.112501
Hosmer PT, Schatz H, Aprahamian A, Arndt O, Clement RR, Estrade A, Kratz KL, Liddick SN, Mantica PF, Mueller WF, Montes F, Morton AC, Ouellette M, Pellegrini E, Pfeiffer B, Reeder P, Santi P, Steiner M, Stolz A, Tomlin BE, Walters WB, Wöhr A. Half-life of the doubly magic r-process nucleus 78Ni. Phys Rev Lett. 2005 Mar 25;94(11):112501. doi: 10.1103/PhysRevLett.94.112501. Epub 2005 Mar 24. PMID: 15903849.
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Phys Rev Lett. 2005 Mar 25;94(11):112501. doi: 10.1103/PhysRevLett.94.112501. Epub 2005 Mar 24.

Half-life of the doubly magic r-process nucleus 78Ni.

Physical review letters

P T Hosmer, H Schatz, A Aprahamian, O Arndt, R R C Clement, A Estrade, K-L Kratz, S N Liddick, P F Mantica, W F Mueller, F Montes, A C Morton, M Ouellette, E Pellegrini, B Pfeiffer, P Reeder, P Santi, M Steiner, A Stolz, B E Tomlin, W B Walters, A Wöhr

Affiliations

  1. National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, MI 48824, USA.

PMID: 15903849 DOI: 10.1103/PhysRevLett.94.112501

Abstract

Nuclei with magic numbers serve as important benchmarks in nuclear theory. In addition, neutron-rich nuclei play an important role in the astrophysical rapid neutron-capture process (r process). 78Ni is the only doubly magic nucleus that is also an important waiting point in the r process, and serves as a major bottleneck in the synthesis of heavier elements. The half-life of 78Ni has been experimentally deduced for the first time at the Coupled Cyclotron Facility of the National Superconducting Cyclotron Laboratory at Michigan State University, and was found to be 110(+100)(-60) ms. In the same experiment, a first half-life was deduced for 77Ni of 128(+27)(-33) ms, and more precise half-lives were deduced for 75Ni and 76Ni of 344(+20)(-24) ms and 238(+15)(-18) ms, respectively.

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