Test of LFU in $$B \rightarrow K\ell \ell $$ Decays at Belle

Choudhury, S (2020) Test of LFU in $$B \rightarrow K\ell \ell $$ Decays at Belle. In: International Workshop on Frontiers in High Energy Physics, FHEP 2019, 14 - 17 October 2019, Hyderabad.

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Abstract

The observable (Formula presented) which is the ratio of branching fractions for (Formula presented), tests lepton flavor universality (LFU) in the standard model (SM), and hence constitutes an important probe for new physics (NP). Another strong observable (Formula presented), CP-averaged isospin asymmetry, can also be used to verify the SM. We report herein the measurement of (Formula presented) for different bins of (Formula presented), invariant mass square of two leptons. © Springer Nature Singapore Pte Ltd 2020.

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IITH Creators:

IITH Creators	ORCiD

Item Type:

Conference or Workshop Item (Paper)

Additional Information:

Acknowledgements We thank the KEKB group for excellent operation of the accelerator; the KEK cryogenics group for efficient solenoid operations; and the KEK computer group the NII, and PNNL/EMSL for valuable computing and SINET5 network support. We acknowledge support from MEXT,JSPS and Nagoya’s TLPRC(Japan); ARC (Australia); FWF (Austria); NSFC and CCEPP(China), MSMT (Czechia); CZF, DFG, EXC153, and VS (Germany); DST (India); INFN (Italy); MOE, MSIP, NRF, RSRI, FLRFAS project and GSDC of KISTI (Korea); MNiSW and NCN (Poland); MES and RFAAE (Russia); ARRS (Slovenia); IKERBASQUE and MINECO (Spain); SNSF (Switzerland); MOE and MOST (Taiwan); and DOE and NSF (USA).

Uncontrolled Keywords:

Branching fractions; Invariant mass; Isospin asymmetries; Lepton-flavor; New physics; The standard model

Subjects:

Physics

Divisions:

Department of Physics

Depositing User:

. LibTrainee 2021

Date Deposited:

23 Nov 2022 11:01

Last Modified:

23 Nov 2022 11:01