https://doi.org/10.1140/epja/i2018-12518-2
Regular Article - Experimental Physics
High spin states in 63Cu
1
Department of Physics, Siksha-Bhavana, Visva-Bharati, 731235, Santiniketan, Bolpur, India
2
Department of Physics, Salesian College, Siliguri Campus, 734001, Siliguri, India
3
Department of Physics, Institute of Science, Banaras Hindu University, 221005, Varanasi, India
4
Variable Energy Cyclotron Centre, 1/AF Bidhannagar, 700064, Kolkata, India
5
Inter University Accelerator Centre, Aruna Asaf Ali Marg, 110067, New Delhi, India
* e-mail: buddhadev.mukherjee@visva-bharati.ac.in
Received:
4
February
2018
Accepted:
24
April
2018
Published online:
24
May
2018
High-spin states in 63Cu were investigated through in-beam -ray spectroscopic techniques using the 52Cr(18O,
p2n) fusion-evaporation reaction at a beam energy of 72.5 MeV. The
-rays emitted by the excited nucleus were recorded in the coincidence mode using fourteen Compton suppressed Ge clover detectors of the Indian National Gamma-ray Array (INGA). Based on the
-
coincidence data, twenty-one new
-ray transitions have been observed and placed --thereby extending the level scheme of 63Cu up to spin
and excitation energy
MeV. Shell model calculations are performed in the
model space with a 56Ni core using two effective interactions, viz. JUN45 and jj44b to interpret the observed excited states of this nucleus. A reasonable agreement is found between the experimental finding and the shell-model calculations --which implies that the excitations within the
orbitals are more dominant in defining the observed level structure than the excitation across the magic shell gap
.
© SIF, Springer-Verlag GmbH Germany, part of Springer Nature, 2018