Partial-wave analysis of τ−→π−π−π+ντ at BELLE

Rabusov, A. and Greenwald, D. and Paul, S. (2024) Partial-wave analysis of τ−→π−π−π+ντ at BELLE. Il nuovo cimento C, 47 (4). pp. 1-4. ISSN 1826-9885

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Abstract

We present preliminary results of a partial-wave analysis of τ − → π−π−π+ντ in data from the Belle experiment at the KEKB e+e− collider. We demonstrate the presence of the a1(1420) and a1(1640) resonances in tauon decays and measure their masses and widths. We also present validation of our findings using a model-independent approach. Our results can improve modeling in simulation studies necessary for measuring the tauon electric and magnetic dipole moments and Michel parameters.

Item Type: Article
Subjects: 500 Scienze naturali e Matematica > 530 Fisica
Depositing User: Marina Spanti
Date Deposited: 11 Sep 2024 15:17
Last Modified: 11 Sep 2024 15:17
URI: http://eprints.bice.rm.cnr.it/id/eprint/23105

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