Rare $$b \rightarrow d$$ decays in covariant confined quark model

Soni, N.; Issadykov, Aidos; Gadaria, Akshay N.; Patel, Janaki J.; Pandya, J. N.

doi:10.1140/epja/s10050-022-00685-y

Cited by 9 publications

(2 citation statements)

References 117 publications

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“…Rare decays of B c meson Akshay N. Gadaria years, we have been successful in utilising present formalism for the very detailed analysis of different weak observables for charmed [13][14][15][16][17][18][19] as well as bottom hadrons [20][21][22][23][24]. In the present work, we have studied the rare weak decays of B c mesons induced by the b → s transition at quark level.…”

Section: Pos(hql2023)087mentioning

confidence: 99%

Rare decays of 𝐵𝑐 mesons

Gadaria,

Pandya,

Santorelli

et al. 2024

Proceedings of 16th International Conference on Heavy Quarks and Leptons — PoS(HQL2023)

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Section: Pos(hql2023)087mentioning

confidence: 99%

Rare decays of 𝐵𝑐 mesons

Gadaria,

Pandya,

Santorelli

et al. 2024

Proceedings of 16th International Conference on Heavy Quarks and Leptons — PoS(HQL2023)

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“…The purpose of this paper is to extend our model and predict a model parameters of unobserved B * c . We studied b → c, b → s and b → d(u) transitions in the framework of covariant confined quark model(CCQM) in our previous works [26][27][28][29][30].…”

Section: Introductionmentioning

confidence: 99%

Ensuring the Efficiency of the Institute of Private Bailiffs in the Republic of Kazakhstan

Assanov

2022

Вестник ИЗПИ РК

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In this work we tried to predict the parameters of B * c meson. Simple assumptions gave us following parametres m B * c = 6329 ± 10 MeV and f B * c = 535.5 ± 57.8 MeV (for Λ B * c = 2.26 ± 0.14 GeV in covariant confined quark model). We calculated widths of radiative decays of B * q mesons, where q = u/d, s, c and compared them with other theoretical works. It was shown that the width of the B * c meson very sensitive to the mass m B * c as expected and less to the size parameter Λ B * c .

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Imprinting New Physics by Using Angular Profiles of the Flavor-Changing-Neutral-Current Process Bc → Ds* (→ Dsπ) ℓ+ℓ-

Waseem,

Hafeez

2024

Progress of Theoretical and Experimental Physics

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The decays governed by the flavor-changing-neutral-current transitions (FCNC), such as b → sℓ+ℓ−, provide an important tool to test the physics in and beyond the Standard Model (SM). This work focuses on investigating the FCNC process $B_{c}\rightarrow D_{s}^{*} \left(\rightarrow D_{s}\pi \right)\ell ^{+}\ell ^{-}(\ell =e,\mu ,\tau )$. Being an exclusive process, the initial and final state meson matrix elements involve the form factors, which are non-perturbative quantities and need to be calculated using specific models. By using the form factors calculated in the covariant light-front quark model, we analyze the branching fractions and angular observables such as the forward-backward asymmetry AFB, polarization fractions (Longitudinal and transverse) FL(T), CP asymmetry coefficients Ai and CP-averaged angular coefficients Si, both in the SM and some new physics (NP) scenarios. Some of these physical observables are a potential source of finding the physics beyond the SM and help us distinguish various NP scenarios.

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Rare $$b \rightarrow d$$ decays in covariant confined quark model

Cited by 9 publications

References 117 publications

Rare decays of 𝐵𝑐 mesons

Rare decays of 𝐵𝑐 mesons

Ensuring the Efficiency of the Institute of Private Bailiffs in the Republic of Kazakhstan

Imprinting New Physics by Using Angular Profiles of the Flavor-Changing-Neutral-Current Process Bc → Ds* (→ Dsπ) ℓ+ℓ-

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