Anomalies and parities for quintessential and ultra-light axions
نویسندگان
چکیده
We discuss the energy scales of explicit breaking terms global symmetries U(1) × SU ( 2 ) gauge needed for quinessential axion (QA) and ultra-light (ULA). The appropriate scale QA is about 1.48 10 8 GeV .
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ژورنال
عنوان ژورنال: Physics Letters B
سال: 2021
ISSN: ['0370-2693', '1873-2445']
DOI: https://doi.org/10.1016/j.physletb.2021.136248