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Shape changes at high spin in 78Kr |
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| Authors: | A Dhal R K Sinha P Agarwal S Kumar Monika B B Singh R Kumar P Bringel A Neusser R Kumar K S Golda R P Singh S Muralithar N Madhavan J J Das A Shukla P K Raina K S Thind A K Sinha I M Govil P K Joshi R K Bhowmik A K Jain S C Pancholi L Chaturvedi |
| Institution: | (1) Department of Physics, Banaras Hindu University, 221 005 Varanasi, India;(2) Department of Physics, IIT Roorkee, 247 667 Roorkee, India;(3) Department of Physics, Guru Nanak Dev University, 143 005 Amritsar, India;(4) Department of Physics, Panjab University, 160 014 Chandigarh, India;(5) HISKP, University of Bonn, Germany;(6) Inter University Accelerator Center, 110 067 New Delhi, India;(7) Department of Physics and Meteorology, IIT Kharagpur, 721 302 Kharagpur, India;(8) IUC-DAE Consortium for Scientific Research, Kolkata Centre, 700 091 Kolkata, India;(9) Tata Institute of Fundamental Research, 400 005 Mumbai, India |
| Abstract: | High-spin states in 78Kr have been studied via the 63Cu (19F, 2p2n)78Kr reaction at a beam energy of 60 MeV using the Indian National Gamma Array (INGA). In this nucleus, lifetimes have been measured upto the Iπ=22+ level in the yrast positive-parity band and upto the Iπ=15- level in the negative-parity band using the Doppler Shift Attenuation Method (DSAM). The deduced transition quadrupole moments Qt's are found to decrease with rotational frequency for both the bands. |
| Keywords: | 21 10 Tg Lifetimes 27 50 +e 59 ⩽ A ⩽ 89 |
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