Measurement of the Up-Down Asymmetries in the<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>β</mml:mi></mml:math>Decay of Polarized<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>Λ</mml:mi></mml:math>Hyperons (Argonne-Chicago-Ohio State-Washington University Collaboration)

Lindquist, J.; Summer, R.L.; Watson, J.M.; Winston, R.; Wolfe, D.; Phillips, Peter R.; Swallow, E. C.; Reibel, K.; Schwartz, Matthew D.; Stevens, A.; Romanowski, T. A.

doi:10.1103/physrevlett.27.612

Cited by 30 publications

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“…It was found to be [145], indicating that Hara 's theorem still holds for hyperon radiative decays. The results provide essential input to constrain the amplitudes of parity violation contribution in theoretical calculations, and can be used to validate the predictions and constrain the parameters of the various theoretical models [146][147][148]. Recent calculations based on Chiral Perturbation Theory are in good agreement with the BE-SIII data [146].…”

Section: Radiative Hyperon Decaysmentioning

confidence: 69%

Production and decay of polarized hyperon-antihyperon pairs*

et al. 2023

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Polarized hyperon-antihyperon pairs shed light on various unresolved puzzles in contemporary physics: How the strong interaction confines quarks into hadrons, how accurately the Standard Model describes microcosmos and even why our universe consists of so much more matter than antimatter. Thanks to their weak, parity violating decays, hyperons reveal their spin properties. This can be exploited e.g. the decomposition of the electromagnetic structure of hyperons, precision tests of flavour symmetry and searches for CP violation. At the BESIII experiment at BEPC-II, Beijing, China, hyperon-antihyperon pairs can be produced in abundance. Recently collected large data samples have triggered the development of new methods that provide unprecedented precision and a plethora of new results have emerged. When applied at future high-intensity facilities like PANDA and STCF, precision physics will be taken to a new level which can contribute to the solution to the aforementioned puzzles. Content from this work may be used under the terms of the Creative Commons Attribution 3.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI. Article funded by SCOAP3 and published under licence by Chinese Physical Society and the Institute of High Energy Physics of the Chinese Academy of Science and the Institute of Modern Physics of the Chinese Academy of Sciences and IOP Publishing Ltd.

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