期刊
JOURNAL OF HIGH ENERGY PHYSICS
卷 -, 期 3, 页码 -出版社
SPRINGER
DOI: 10.1007/JHEP03(2021)285
关键词
CP violation; Kaon Physics; Thermal Field Theory
资金
- Conselho Nacional de Desenvolvimento Cientifico e Tecnologico (CNPq) [130658/2017-0]
Investigating non-inertial effects on CP-violating processes reveals a slight decrease in the CP violation parameter for the decay of accelerated kaons into two pions at very high accelerations, indicating reduced asymmetry between matter and antimatter. The connection between these results and cosmological processes related to matter-antimatter asymmetry, as well as the potential utility of such computations in understanding thermodynamical effects in curved spacetimes, is discussed.
We investigate non-inertial effects on CP-violating processes using a model, based on the framework of quantum field theory in curved spacetimes, devised to account for the decay of accelerated particles. We show that the CP violation parameter for the decay of accelerated kaons into two pions decreases very slightly as very high accelerations are achieved, implying decreased asymmetry between matter and antimatter in this regime. We discuss the relationship between these results and cosmological processes surrounding matter-antimatter asymmetry and argue that, due to the connection between non-inertial and thermal phenomena established by the Unruh effect, this kind of computation may prove useful in furthering the understanding of thermodynamical effects in curved spacetimes.
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