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Related papers: The baryon spectroscopy: strong decays and strange…

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Mass spectra of strange baryons are calculated in the framework of the relativistic quark model based on the quasipotential approach. Baryons are treated as the relativistic quark-diquark bound systems. It is assumed that two quarks with…

High Energy Physics - Phenomenology · Physics 2016-10-28 R. N. Faustov , V. O. Galkin

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

The description of baryon resonance decays represents a major challenge of strong interaction physics. We will report on a relativistic approach to mesonic decays of light and strange baryon resonances within constituent quark models. The…

Nuclear Theory · Physics 2007-05-23 B. Sengl , T. Melde , W. Plessas

The resonance mass spectra have been studied through a non-relativistic hypercentral Constituent Quark Model (hCQM) using a linear potential. Also, the effects of higher order correction terms (${\cal{O}}(\frac{1}{m})$,…

High Energy Physics - Phenomenology · Physics 2024-05-13 Chandni Menapara , Ajay Kumar Rai

In this work, we study the weak decay between two heavy baryons $ \mathcal{B}_i(\frac{1}{2}^+)\to \mathcal{B}_f(\frac{3}{2}^+)$ in the light-front quark model where three-quark picture is employed for baryon. We derive general form of…

High Energy Physics - Phenomenology · Physics 2023-05-18 Fang Lu , Hong-Wei Ke , Xiao-Hai Liu , Yan-Liang Shi

We describe the relativistic interacting quark-diquark model formalism and its application to the calculation of strange and nonstrange baryon spectra. The results are compared to the existing experimental data. We also discuss the…

High Energy Physics - Phenomenology · Physics 2018-01-03 M. De Sanctis , J. Ferretti , R. Magaña Vsevolodovna , P. Saracco , E. Santopinto

Although the spectra of heavy quarkonium systems have been successfully explained by certain QCD motivated potential models, their strong decays are still an open problem. We perform a microscopic calculation of vector charmonium strong…

High Energy Physics - Phenomenology · Physics 2015-06-12 J. Segovia , D. R. Entem , F. Fernandez

We provide results for the open-flavor strong decays of open-charm ($D$ and $D_{\rm s}$) and open-bottom ($B$, $B_{\rm s}$ and $B_{\rm c}$) mesons. The decays are calculated in a modified version of the $^3P_0$ pair-creation model, assuming…

High Energy Physics - Phenomenology · Physics 2018-06-22 J. Ferretti , E. Santopinto

Spectroscopy and strong decays of the charmed baryons are reviewed. Possible spin-parity quantum numbers of several newly observed charmed baryon resonances are discussed. Strong decays of charmed baryons are analyzed in the framework of…

High Energy Physics - Phenomenology · Physics 2011-06-15 Hai-Yang Cheng

We apply a quark model developed in earlier work to the spectrum of baryons with strangeness -2 and -3. The model describes a number of well-established baryons successfully, and application to cascade baryons allows the quantum numbers of…

Nuclear Theory · Physics 2008-11-26 Muslema Pervin , Winston Roberts

This is the third of a series of papers treating light baryon resonances up to 3 GeV within a relativistically covariant quark model based on the Bethe-Salpeter equation with instantaneous two- and three-body forces. In this last paper we…

High Energy Physics - Phenomenology · Physics 2009-11-07 Ulrich Loering , Bernard Ch. Metsch , Herbert R. Petry

In this lecture I present a pedagogical introduction to the low-energy phenomenology of light flavors. The renormalization scheme freedom in defining QCD parameters is discussed. It is shown in some details how one can extract an accurate…

High Energy Physics - Phenomenology · Physics 2017-08-23 A. A. Pivovarov

In this work we calculate the mass spectrum of strangeonium up to the $3D$ multiplet within a nonrelativistic linear potential quark model. Furthermore, using the obtained wave functions, we also evaluate the strong decays of the…

High Energy Physics - Phenomenology · Physics 2021-05-13 Qi Li , Long-Cheng Gui , Ming-Sheng Liu , Qi-Fang Lü , Xian-Hui Zhong

The strong decay amplitudes and radiative partial widths of orbital and radially excited states of $B$ and $B_s$ mesons are presented. These results are obtained with a nonrelativistic potential quark model, the nonrelativistic reduction of…

High Energy Physics - Phenomenology · Physics 2018-08-15 Ishrat Asghar , Bilal Masud , E. S. Swanson , Faisal Akram , M. Atif Sultan

The spin distributions, weak decay matrix elements for strange baryon octets with SU(3) breaking effects is studied. We systematically apply operator formalism along with statistical method to study JP= strange baryon octets for their low…

High Energy Physics - Phenomenology · Physics 2015-06-16 A. Upadhyay , M. Batra

We calculate semileptonic decays of light and heavy baryons in a relativistically covariant constituent quark model. The model is based on the Bethe-Salpeter-equation in instantaneous approximation. It generates satisfactory mass spectra…

High Energy Physics - Phenomenology · Physics 2007-05-23 Sascha Migura , Dirk Merten , Bernard Metsch , Herbert-R. Petry

Motivated by recent experimental data on $\Sigma^+\to p\gamma$ at BESIII, we investigate a class of hyperon weak radiative decays. To estimate these processes, in our research, we employ a new type of light-front quark model with a…

High Energy Physics - Phenomenology · Physics 2024-01-09 Zhi-Peng Xing , Yu Ji Shi , Jin Sun , Zhen-Xing Zhao

The application of quark models to the spectra and strong and electromagnetic couplings of baryons is reviewed. This review focuses on calculations which attempt a global description of the masses and decay properties of baryons, although…

Nuclear Theory · Physics 2008-11-26 Simon Capstick , W. Roberts

We discuss recent results on heavy and light baryon spectroscopy

High Energy Physics - Phenomenology · Physics 2008-11-26 A. Valcarce , J. Vijande , P. Gonzalez , H. Garcilazo

Single- and double- heavy baryons are studied in the constituent quark model. The model Hamiltonian is chosen as a standard one with two exceptions : (1) The color-Coulomb term depend on quark masses, and (2) an antisymmetric $LS$ force is…

High Energy Physics - Phenomenology · Physics 2016-01-06 Tetsuya Yoshida , Emiko Hiyama , Atsushi Hosaka , Makoto Oka , Katsunori Sadato