Shedding New Light on the ${B \to πK}$ Puzzle

Fuente: arXiv
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Main Author: Malami, Eleftheria
Format: Preprint
Published: 2026
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author Malami, Eleftheria
author_facet Malami, Eleftheria
contents The $B \to πK$ system provides a rich laboratory for testing the Standard Model and studying CP violation. A particularly important channel is $B^0_d\toπ^0 K_{\rm S}$, the only mode exhibiting both direct and mixing-induced CP violation. Recent Belle II measurements of the CP asymmetries in this decay provide valuable new input. An updated analysis incorporating these new data provides new insight on the long-standing $B \to πK$ puzzle. Looking ahead to the high-precision era of flavour physics, the $B \to πK$ system can be further exploited to potentially reveal new sources of CP violation.
format Preprint
id arxiv_https___arxiv_org_abs_2604_17496
institution arXiv
publishDate 2026
record_format arxiv
spellingShingle Shedding New Light on the ${B \to πK}$ Puzzle
Malami, Eleftheria
High Energy Physics - Phenomenology
High Energy Physics - Experiment
The $B \to πK$ system provides a rich laboratory for testing the Standard Model and studying CP violation. A particularly important channel is $B^0_d\toπ^0 K_{\rm S}$, the only mode exhibiting both direct and mixing-induced CP violation. Recent Belle II measurements of the CP asymmetries in this decay provide valuable new input. An updated analysis incorporating these new data provides new insight on the long-standing $B \to πK$ puzzle. Looking ahead to the high-precision era of flavour physics, the $B \to πK$ system can be further exploited to potentially reveal new sources of CP violation.
title Shedding New Light on the ${B \to πK}$ Puzzle
topic High Energy Physics - Phenomenology
High Energy Physics - Experiment
url https://arxiv.org/abs/2604.17496