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Phys. Rev. C 80, 047302 (2009) [4 pages]

Shape evolution of the highly deformed 75Kr nucleus examined with the Doppler-shift attenuation method

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T. Trivedi1, R. Palit2, D. Negi3, Z. Naik2, Y. -C. Yang4, Y. Sun4,5, J. A. Sheikh5,6,7, A. Dhal8, M. K. Raju9, S. Appannababu10, S. Kumar11, D. Choudhury12, K. Maurya1, G. Mahanto3, R. Kumar3, R. P. Singh3, S. Muralithar3, A. K. Jain12, H. C. Jain2, S. C. Pancholi3, R. K. Bhowmik3, and I. Mehrotra1
1Department of Physics, University of Allahabad, Allahabad 211001, India
2Department of Nuclear and Atomic Physics, Tata Institute of Fundamental Research, Mumbai 400005, India
3Inter University Accelerator Centre, New Delhi 110067, India
4Department of Physics, Shanghai Jiao Tong University, Shanghai 200240, People’s Republic of China
5Department of Physics and Astronomy, University of Tennessee, Knoxville, Tennessee 37996, USA
6Physics Division, Oak Ridge National Laboratory, Post Office Box 2008, Oak Ridge, Tennessee 37831, USA
7Department of Physics, University of Kashmir, Srinagar 190006, India
8Department of Physics, Banaras Hindu University, Varanasi 221005, India
9Department of Nuclear Physics, Andhra University, Visakhapatnam 530003, India
10Department of Physics, MS University of Baroda, Vadodara 390002, India
11Department of Physics and Astrophysics, University of Delhi, Delhi 110007, India
12Department of Physics, IIT Roorkee, Roorkee 247667, India

See Also: Publisher's Note

Received 31 July 2009; revised 28 September 2009; published 28 October 2009; corrected 2 November 2009

High-spin states of the 75Kr nucleus have been populated via the 50Cr(28Si,2pn)75Kr reaction at an incident beam energy of 90 MeV. Lifetimes of nine states up to spin I=33/2 for the positive-parity band and seven states up to I=27/2 for the negative-parity band have been measured using the Doppler-shift attenuation method. The deduced transition quadrupole moments Qt of these bands have been compared to the projected shell-model calculations to gain insight into the evolution of collectivity for the two experimentally studied bands in 75Kr.

© 2009 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevC.80.047302
DOI:
10.1103/PhysRevC.80.047302
PACS:
21.10.Tg, 21.10.Re, 21.60.Cs, 27.50.+e

See Also

Publisher's Note: T. Trivedi, R. Palit, D. Negi, Z. Naik, Y. -C. Yang, Y. Sun, J. A. Sheikh, A. Dhal, M. K. Raju, S. Appannababu, S. Kumar, D. Choudhury, K. Maurya, G. Mahanto, R. Kumar, R. P. Singh, S. Muralithar, A. K. Jain, H. C. Jain, S. C. Pancholi, R. K. Bhowmik, and I. Mehrotra, Publisher’s Note: Shape evolution of the highly deformed 75Kr nucleus examined with the Doppler-shift attenuation method [Phys. Rev. C 80, 047302 (2009)], Phys. Rev. C 80, 059902 (2009).

 
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