Search for highly deformed shape isomers in 28Si, 24Mg and 20Ne linked by successive alpha decays |
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| Affiliation: | 1. State Key Laboratory of Powder Metallurgy, Central South University, Changsha, Hunan 410083, PR China;2. School of Materials Science and Engineering, Central South University, Changsha 410083, PR China;3. Advanced Research Center, Central South University, Changsha 410083, PR China;4. Hunan Provincial Key Laboratory of New Energy Storage and Conversion of Advanced Materials, Hunan University of Science and Technology, Xiangtan 411201, PR China;1. Department of Physics, Aligarh Muslim University, Aligarh, UP-202 002, India;2. Physics Section, Women''s College, Aligarh Muslim University, Aligarh- 202002, India;3. Institute of Physics, Sachivalaya Marg, Bhubaneswar-751005, India;4. Homi Bhaba National Institute, Training School Complex, Anushakti Nagar, Mombai-400085, India;1. Department of Physics, Nigde Ömer Halisdemir University, 51240, Nigde, Turkey;2. Department of Physics, Akdeniz University, 07058, Antalya, Turkey;3. School of Physics and Astronomy, University of Birmingham, Birmingham, B15 2TT, UK;1. Department of Mathematics and Physics, Shijiazhuang Tiedao University, Shijiazhuang 050043, China;2. Institute of Applied Physics, Shijiazhuang Tiedao University, Shijiazhuang 050043, China;3. China Institute of Atomic Energy, P. O. Box 275 (10), Beijing 102413, China |
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| Abstract: | Measurements of the 12C(16O,20Neα)α, 12C(16O,αα)20Ne, 12C(16O,8Be)20Ne and 12C(16O,16Oα)8Be reactions have been performed at Ec.m. = 27.0 MeV. For decays proceeding through resonant states in the intermediate 24Mg nucleus, angular correlation measurements have enabled spin assignments to be made and the dominant entrance channel angular momentum to be determined. The results are inconsistent with recent similar experiments which were interpreted as arising from successive α-decays from deformed shape isomeric states in 28Si and 24Mg. |
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