CP violation in strong nuclear force

CP violation in strong nuclear force

The Strong CP Problem is the contradiction between the experimental evidence and the existence of a theta Lagrangian term that violates charge-parity symmetry. This theta Lagrangian term exists due to non-trivial Quantum Chromodynamics vacuum structures. In this paper, we examine the non-trivial Qua...

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Bibliographic Details
Main Author: Ng, Cheng Sheng
Other Authors: Leek Meng Lee
Format: Final Year Project
Language:English
Published: 2019
Subjects:
DRNTU::Science::Physics::Atomic physics::Field theories
DRNTU::Science::Physics::Nuclear and particle physics
Online Access:http://hdl.handle.net/10356/77077
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Institution: Nanyang Technological University
Language: English
Description
Summary:The Strong CP Problem is the contradiction between the experimental evidence and the existence of a theta Lagrangian term that violates charge-parity symmetry. This theta Lagrangian term exists due to non-trivial Quantum Chromodynamics vacuum structures. In this paper, we examine the non-trivial Quantum Chromodynamics vacuum structure as well as the historical roots of its discovery, before examining solutions that may solve the Strong CP Problem, with detail on the global U(1) Peccei-Quinn symmetry solution suggested by Reccei, R. D., & Quinn, H. R in 1977, and comment on the resulting particle, the axion, that stems from this solution

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