Neutron spectroscopic factors of 55Ni hole-states from (p, d) transfer reactions

A. Sanetullaev, M. B. Tsang, W. G. Lynch, Jenny Lee, D. Bazin, K. P. Chan, D. Coupland, V. Henzl, D. Henzlova, M. Kilburn, A. M. Rogers, Z. Y. Sun, M. Youngs, R. J. Charity, L. G. Sobotka, M. Famiano, S. Hudan, D. Shapira, W. A. Peters, C. BarbieriM. Hjorth-Jensen, M. Horoi, T. Otsuka, T. Suzuki, Y. Utsuno

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Abstract

Spectroscopic information has been extracted on the hole-states of 55Ni, the least known of the quartet of nuclei (55Ni, 57Ni, 55Co and 57Cu), one nucleon away from 56Ni, the N = Z = 28 double magic nucleus. Using the H1(Ni56,d)Ni55 transfer reaction in inverse kinematics, neutron spectroscopic factors, spins and parities have been extracted for the f7/2, p3/2 and the s1/2 hole-states of 55Ni. These new data provide a benchmark for large basis calculations that include nucleonic orbits in both the sd and pf shells. State of the art calculations have been performed to describe the excitation energies and spectroscopic factors of the s1/2 hole-state below Fermi energy.

Original languageEnglish
Pages (from-to)137-141
Number of pages5
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume736
DOIs
StatePublished - 7 Sep 2014
Externally publishedYes

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