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LHCb

The consistent interactions between the axion and vector mesons

by 佳 刘 (高能所)

Asia/Shanghai
Description

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#腾讯会议:847-639-852

We present a consistent derivation of the complete Wess-Zumino-Witten interactions of axions, including the counter-term necessary to guarantee the gauge invariance of the Standard Model. By treating the derivative of the axion field as a background gauge field and incorporating auxiliary chiral rotation phases, we ensure consistency in the axion-interaction Lagrangian. This approach allows us to derive basis-independent physical interactions of axions with gauge bosons and vector mesons. As an example, we explore the interaction of axion-omega meson-photon to illustrate the potential for searching for axion-like particles at colliders.

Bibliography:

个人简介

刘佳,北京大学物理学院研究员,博雅青年学者。本科毕业于清华大学,硕士毕业于北京大学,博士毕业于纽约大学,之后在德国美因茨大学和芝加哥大学做博士后研究。从事粒子物理理论研究,研究方向为高能物理唯象学和粒子天体物理等。