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Related papers: Theory of Heavy Baryon Decay

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Semileptonic decays of Lambda_b and Lambda_c baryons are studied within the Relativistic Three-Quark Model using finite heavy quark mass values. Employing the same parameters as have been used previously for the description of exclusive…

High Energy Physics - Phenomenology · Physics 2011-01-25 M. A. Ivanov , J. G. Korner , V. E. Lyubovitskij , A. G. Rusetsky

We study the semileptonic decays of the lowest lying double heavy baryons using the relativistic three-quark model. We do not employ a heavy quark mass expansion but keep the masses of the heavy quarks and baryons finite. We calculate all…

High Energy Physics - Phenomenology · Physics 2009-11-07 Amand Faessler , Th. Gutsche , M. A. Ivanov , J. G. Korner , V. E. Lyubovitskij

We study the semileptonic decays of double heavy baryons using a manifestly Lorentz covariant constituent three-quark model. We present complete results on transition form factors between double-heavy baryons for finite values of the heavy…

High Energy Physics - Phenomenology · Physics 2009-12-07 Amand Faessler , Thomas Gutsche , Mikhail A. Ivanov , Jurgen G. Korner , Valery E. Lyubovitskij

Semileptonic decays of bottom and charm baryons are considered within a relativistic three-quark model with the Gaussian shape for the baryon-three-quark vertex and standard quark propagators.

High Energy Physics - Phenomenology · Physics 2007-05-23 M. A. Ivanov , V. E. Lyubovitskij

Semileptonic decays of heavy baryons consisting of one heavy (Q=b,c) and two light (q=u,d,s) quarks are considered in the heavy-quark--light-diquark approximation. The relativistic quasipotential equation is used for obtaining masses and…

High Energy Physics - Phenomenology · Physics 2009-11-11 D. Ebert , R. N. Faustov , V. O. Galkin

Semileptonic decays of heavy baryons consisting of one heavy (Q=b,c) and two light (q=u,d,s) quarks are considered in the heavy-quark--light-diquark approximation. The relativistic quasipotential equation is used for obtaining masses and…

High Energy Physics - Phenomenology · Physics 2007-05-23 D. Ebert , R. N. Faustov , V. O. Galkin

Semileptonic decays of the $\Xi_b$ baryon are studied in the framework of the relativistic quark-diquark model based on the quasipotential approach. The weak decay form factors are calculated with the comprehensive account of all…

High Energy Physics - Phenomenology · Physics 2018-11-28 R. N. Faustov , V. O. Galkin

Semileptonic decays of doubly heavy baryons are studied in the framework of the relativistic quark model. The doubly heavy baryons are treated in the quark-diquark approximation. The transition amplitudes of heavy diquarks bb and bc going…

High Energy Physics - Phenomenology · Physics 2014-11-17 D. Ebert , R. N. Faustov , V. O. Galkin , A. P. Martynenko

Exclusive semileptonic decays of bottom and charm baryons are considered within a relativistic three-quark model with a Gaussian shape for the baryon-three-quark vertex and standard quark propagators. We calculate the baryonic Isgur-Wise…

High Energy Physics - Phenomenology · Physics 2009-10-30 M. A. Ivanov , J. G. Korner , P. Kroll , V. E. Lyubovitskij

We analyze strong one-pion and radiative one-photon decays of heavy flavored baryons within a relativistic three-quark model. Employing the same parameters as were used for the description of the semileptonic decays of heavy baryons, we…

High Energy Physics - Phenomenology · Physics 2009-10-31 M. A. Ivanov , J. G. Korner , V. E. Lyubovitskij , A. G. Rusetsky

We present the results of a nonrelativistic constituent quark model study of the semileptonic decays $\Lambda_b^0 \to \Lambda_c^+ l^- {\bar \nu}_l$ and $\Xi_b^0 \to \Xi_c^+ l^- {\bar \nu}_l$. We work on coordinate space, with baryon wave…

Nuclear Theory · Physics 2009-11-10 C. Albertus , E. Hernandez , J. Nieves

Baryons with three heavy quarks are the last missing pieces of the lowest-lying baryon multiplets in the quark model after the discovery of doubly heavy baryons. In this work, we study nonleptonic weak decays of triply heavy baryons…

High Energy Physics - Phenomenology · Physics 2021-11-24 Fei Huang , Ji Xu , Xi-Ruo Zhang

Motivated by recent experimental progress in studying weak decays of the $\Lambda_c$ baryon we investigate its semileptonic decays in the framework of the relativistic quark model based on the quasipotential approach with the QCD-motivated…

High Energy Physics - Phenomenology · Physics 2016-11-22 R. N. Faustov , V. O. Galkin

We discuss some recent developments in the description of baryons as three-quark systems within relativistic constituent quark models. In particular we address the issues of excitation spectra, electroweak structure, and mesonic resonance…

Nuclear Theory · Physics 2010-03-26 W. Plessas

Mass spectra and semileptonic decay rates of doubly heavy baryons are studied in the framework of the relativistic quark model in the quark-diquark approximation.

High Energy Physics - Phenomenology · Physics 2007-05-23 D. Ebert , R. N. Faustov , V. O. Galkin , A. P. Martynenko

After the experimental establishment of doubly heavy baryons, baryons with three quarks are the last missing pieces of the lowest-lying baryon multiplets in quark model. In this work we study semileptonic and nonleptonic weak decays of…

High Energy Physics - Phenomenology · Physics 2018-05-30 Wei Wang , Ji Xu

We test the sensitivity of bottom baryon observables with regard to the choice of the interpolating three-quark currents within the relativistic three-quark model. We have found that the semileptonic decay rates are clearly affected by the…

High Energy Physics - Phenomenology · Physics 2009-10-31 M. A. Ivanov , J. G. Korner , V. E. Lyubovitskij , M. A. Pisarev , A. G. Rusetsky

We investigate the semileptonic decays of baryons containing double charm or double bottom quarks, focusing on their transitions to single heavy baryons through three-point QCD sum rule framework. In our calculations, we take into account…

High Energy Physics - Phenomenology · Physics 2025-10-09 M. Shekari Tousi , K. Azizi

We present the results of a study of the semileptonic decays of the $B_c$-meson and the lowest lying doubly heavy baryons using the relativistic quark model. We do not employ a heavy quark mass expansion but keep the masses of the heavy…

High Energy Physics - Phenomenology · Physics 2007-05-23 Mikhail A. Ivanov

In this work, we investigate the weak decays of ground-state triply heavy baryons. We first obtain the form factors using the light-front quark model in the three-quark picture, and then apply them to arrive at some phenomenological…

High Energy Physics - Phenomenology · Physics 2024-09-17 Zhen-Xing Zhao , Qi Yang
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