Formulation of Baryon Number Violating Collisions : The Case of O(3) Nonlinear Sigma Model : Particles and Fields

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概要

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• A new formalism based on path-integral expression of time-evolution operator during tunneling is presented. Instead of instanton calculus in the LSZ formalism, a classical bounce solution leading to sphaleron (instanton action) at high (low) energies is adopted as the tunneling configuration. The formalism is applied to O(3) nonlinear sigma model in two dimensions. For the coupling constant g^2≃0.1, which may be physical in the sense that the number of produced particles≃100, comparable with that of electroweak theory, the baryon number violating cross section is smaller by orders of magnitude than the so-called unitarity bound.

• 理論物理学刊行会の論文
• 1992-03-25

著者

• Funakubo K

  Department Of Physics Saga University

• Funakubo Koichi

  Department Of Physics Saga University

• Funakubo Koichi

  Department Of Physics Faculty Of Science And Engineering Saga University

• OTSUKI Shoichiro

  Department of Physics Nagoya University

• TOYODA Fumihiko

  School of Humanity-Oriented Science and Engineering, Kinki University

• TOYODA Fumihiko

  Kyushu School of Engineering, Kinki University

• OTSUKI Shoichiro

  Kyushu School of Engineering, Kinki University

• OTSUKI Shoichiro

  Kyusyu School of Engineering, Kinki University

• TOYODA Fumihiko

  Kyusyu School of Engineering, Kinki University

• TOYODA Fumihiko

  Department of Liberal Arts, Kinki University

• TAKENAGA Kazunori

  Yukawa Institute for Theoretical Physics, Kyoto University

• TAKENAGA Kazunori

  Department of Physics, Kyushu University

• Takenaga Kazunori

  Department Of Physics Osaka University

• Takenaga Kazunori

  I.n.f.n

• Takenaga Kazunori

  Department Of Physics Kyushu University

• Takenaga Kazunori

  The Niels Bohr Institute

• Takenaga K

  Kyoto Univ. Kyoto

• Otsuki S

  Kyushu School Of Engineering Kinki University

• Otsuki Shoichiro

  Department Of Physics Kyoto University

• Toyoda F

  School Of Humanity-oriented Science And Engineering Kinki University

• Toyoda Fumihiko

  Department Of Electrical And Communication Engineering Kinki University Of School Of Humanity-orient

• FUNAKUBO Koichi

  Department of Physics, Saga University

• FUNAKUBO Koichi

  Department of Physicas

• TAKENAGA Kazunori

  Department of Physics, Osaka University

• OTSUKI Shoichiro

  Department of Liberal Arts, Kinki University

• OTSUKI Shoichiro

  Department of Physics, Kyusyu University

• TOYODA Fumihiko

  Department of Electrical and Communication Engineering, Kinki University of School of Humanity-Oriented Science and Engineering

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