1007.3192v1 - arXiv:1007.3192v1 [nucl-th] 19 Jul 2010...

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Unformatted text preview: arXiv:1007.3192v1 [nucl-th] 19 Jul 2010 Empirical predictions of yrast energies in even-even nuclei Guanghao Jin a , Dooyoung Kim b , Byeongnoh Kim b , Jin-Hee Yoon b , Dongwoo Cha b, * a Department of Fundamental Subject, Tianjin Institute of Urban Construction, Tianjin 300384, People’s Republic of China b Department of Physics, Inha University, Incheon 402-751, South Korea Abstract The lowest excitation energies of the given multipole J π state (the J π yrast energies) are given for even-even nuclei throughout the entire periodic table. The yrast energies were calculated using the recently proposed empirical formula that depends only on the mass number A , and the valence nucleon numbers N p and N n . We provide a complete tabulation and plots of the yrast energies calculated using the empirical formula together with the ones measured for the natural parity states up to 10 + and for the unnatural parity states up to 10- with the hope of encouraging active study on the possible origin of the relationship between the yrast energies, as revealed by the empirical formula. * Corresponding author. Email address: E-mail: [email protected] (Dongwoo Cha) Preprint submitted to Atomic Data and Nuclear Data Tables July 20, 2010 Contents 1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 2. Empirical formula and yrast energy distribution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Explanation of Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Explanation of Graphs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Tables 1. Yrast energies of the natural parity even multipole states in even-even nuclei. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 2. Yrast energies of the natural parity odd multipole states in even-even nuclei. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 3. Yrast energies of the unnatural parity even multipole states in even-even nuclei. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 4. Yrast energies of the unnatural parity odd multipole states in even-even nuclei. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 Graphs 1. 2 + yrast energies in even-even nuclei. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .yrast energies in even-even nuclei....
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This note was uploaded on 03/22/2011 for the course PHYSICS 116 taught by Professor Scopel during the Spring '11 term at Seoul National.

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1007.3192v1 - arXiv:1007.3192v1 [nucl-th] 19 Jul 2010...

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