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In this study, we have investigated the radiative and semileptonic decay of doubly heavy baryons. Our focus is to determine the static and dynamic properties such as ground state masses, magnetic moment, transition magnetic moment,…

High Energy Physics - Phenomenology · Physics 2025-05-14 Kinjal Patel , Kaushal Thakkar

We evaluate static properties and semileptonic decays for the ground state of doubly heavy $\Xi, \Xi', \Xi^*$ and $\Omega, \Omega', \Omega^*$ baryons. Working in the framework of a nonrelativistic quark model, we solve the three--body…

High Energy Physics - Phenomenology · Physics 2008-11-26 C. Albertus , E. Hernandez , J. Nieves , J. M. Verde-Velasco

In the framework of a non-relativistic quark model, the mass spectra of the ground and excited states of doubly heavy $\Xi$ and $\Omega$ baryons are calculated. We estimate the mass difference between the $ \Omega $ and corresponding $ \Xi…

High Energy Physics - Phenomenology · Physics 2022-10-28 Zahra Ghalenovi , Cheng-Ping Shen , Masumeh Moazzen Sorkhi

The heavy-to-heavy exclusive semileptonic transitions of singly heavy baryons (SHBs) are investigated within the framework of the Hypercentral Constituent Quark Model (hCQM). The six-dimensional hyperradial Schr\"{o}dinger equation is…

High Energy Physics - Phenomenology · Physics 2026-04-07 Kinjal Patel , Kaushal Thakkar

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

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

We evaluate masses and semileptonic decay widths for the ground state of doubly heavy $\Xi$ and $\Omega$ baryons in the framework of a nonrelativistic quark model. We solve the three-body problem by means of a variational ansatz made…

Nuclear Theory · Physics 2015-05-13 C. Albertus , E. Hernández , J. Nieves , J. M. Verde-Velasco

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

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

In the present work we investigate the mass spectrum and semileptonic decays of double charm and bottom baryon states using the hypercentral quark model. We solve the six-dimensional Schr\"odinger equation via deep learning and particle…

High Energy Physics - Phenomenology · Physics 2025-04-08 Zahra Ghalenovi , Masoumeh Moazzen Sorkhi , Amir Hossein Sovizi

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

We explore the semileptonic and nonleptonic decays of doubly heavy baryons $(\Omega_{cc}^ {(*) +}, \Omega_{bb}^ {(*)0}, \Omega_{bc}^ {(*) -}, \Omega_{bc}^ {\prime 0}) $ induced by the $s\to u$ transition. Hadronic form factors are…

High Energy Physics - Phenomenology · Physics 2023-02-22 Hang Liu , Zhi-Peng Xing , Chang Yang

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

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 evaluate exclusive semileptonic decays of ground-state spin-1/2 and spin-3/2 doubly heavy $cb$ baryons driven by a $c\to s,d$ transition at the quark level. We check our results for the form factors against heavy quark spin symmetry…

High Energy Physics - Phenomenology · Physics 2012-06-05 C. Albertus , E. Hernández , J. Nieves

The semileptonic transition of $\Lambda_b$ baryon is studied using the Hypercentral constituent quark model. The six-dimensional hyperradial $Schr\ddot{o}dinger$ equation is solved in the variational approach to get masses and wavefunctions…

High Energy Physics - Phenomenology · Physics 2020-10-28 Kaushal Thakkar

We construct a leading-order effective field theory for both scalar and axial-vector heavy diquarks, and consider its power expansion in the heavy diquark limit. By assuming the transition from QCD to diquark effective theory, we derive the…

High Energy Physics - Phenomenology · Physics 2020-05-15 Yu-Ji Shi , Wei Wang , Zhen-Xing Zhao , Ulf-G. Meißner

We evaluate semileptonic decays of spin-1/2 and spin-3/2 doubly heavy $cb$ baryons. The decays are driven by a $c\to s,d$ transition at the quark level. We check our results for the form factors against heavy quark spin symmetry constraints…

High Energy Physics - Phenomenology · Physics 2012-06-26 C. Albertus , E. Hernandez , J. Nieves

Charm and bottom baryons and mesons are studied within the framework of a relativistically covariant 3D reduction of the Bethe-Salpeter equation. We carry out an analysis of semileptonic decays of heavy hadrons within this framework using…

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

In the heavy quark limit a heavy baryon which contains two heavy quarks is believed to be composed of a heavy diquark and a light quark. Based on this picture, we evaluate the weak semileptonic decay rates of such baryons. The transition…

High Energy Physics - Phenomenology · Physics 2009-10-31 Xin-Heng Guo , Hong-Ying Jin , Xue-Qian Li
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