Energy Averages over Regular and Chaotic States in the Decay Out of Superdeformed Bands

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概要

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• We describe the decay out of a superdeformed band using the methods of reaction theory. Assuming that decay-out occurs due to equal coupling (on average) to a sea of equivalent chaotic normally deformed (ND) states, we calculate the average intraband decay intensity and show that it can be written as an "optical" background term plus a fluctuation term, in total analogy with average nuclear cross sections. We also calculate the variance in closed form. We investigate how these objects are modified when the decay to the ND states occurs via an ND doorway and the ND states' statistical properties are changed from chaotic to regular. We show that the average decay intensity depends on two dimensionless variables in the first case while in the second case, four variables enter the picture.

• 理論物理学刊行会の論文
• 2004-07-30

著者

• UEDA Manabu

  Akita National College of Technology

• UEDA Manabu

  Institute of Physics, University of Tsukuba

• Ueda Manabu

  Institute Of Physics University Of Tsukuba

• TAKIGAWA Noboru

  Department of Physics, Graduate School of Science, Tohoku University

• HUSSEIN Mahir

  Institute de Fisica, Universidade de Sao Paulo

• SARGEANT Adam

  Institute de Fisica, Universidade de Sao Paulo

• PATO Mauricio

  Institute de Fisica, Universidade de Sao Paulo

• Pato Mauricio

  Institute De Fisica Universidade De Sao Paulo

• Sargeant Adam

  Institute De Fisica Universidade De Sao Paulo

• Hussein Mahir

  Institute De Fisica Universidade De Sao Paulo

• Takigawa Noboru

  Department Of Physics Graduate School Of Science Tohoku University

• Hussein M.S.

  Nuclear Theory and Elementary Particle Phenomenology Group, Institute of Physics, University of Sao Paulo

• TAKIGAWA Noboru

  Department of Physics, Tohoku University

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