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Related papers: Heavy-Quark Spin Symmetry Violation effects in Cha…

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We study odd-parity baryonic resonances with one heavy and three light flavors, dynamically generated by meson-baryon interactions. Special attention is paid to Heavy Quark Spin Symmetry (HQSS), hence pseudoscalar and vector mesons and…

High Energy Physics - Phenomenology · Physics 2015-06-17 C. Garcia-Recio , L. L. Salcedo , D. Gamermann , J. Nieves , O. Romanets , L. Tolos

The radiative decays of heavy mesons and heavy baryons are studied in a formalism which incorporates both the heavy quark symmetry and the chiral symmetry. The chiral Lagrangians for the electromagnetic interactions of heavy hadrons consist…

High Energy Physics - Phenomenology · Physics 2009-10-22 H. Y. Cheng , C. Y. Cheung , G. L. Lin , Y. C. Lin , T. M. Yan , H. L. Yu

We study charmed and strange baryon resonances that are generated dynamically by a unitary baryon-meson coupled-channels model which incorporates heavy-quark spin symmetry. This is accomplished by extending the SU(3) Weinberg-Tomozawa…

High Energy Physics - Phenomenology · Physics 2015-06-12 Olena Romanets , Laura Tolos , Carmen Garcia-Recio , Juan Nieves , Lorenzo Luis Salcedo , Rob Timmermans

Recent experiments of photon-nucleon and meson-nucleon scatterings have accumulated a lot of data for various meson production processes. One of the purposes of those experiments is to search for the missing resonances which are not…

High Energy Physics - Phenomenology · Physics 2024-12-30 Sang-Ho Kim , Yongseok Oh , Sangyeong Son , S. Sakinah , Myung-Ki Cheoun

In heavy quarkonia, hadronic transitions serve as an enlightened probe for the structure and help to establish the understanding of light quark coupling with a heavy degree of freedom. Moreover, in recent years, hadronic transitions…

High Energy Physics - Phenomenology · Physics 2017-12-12 Muhammad Naeem Anwar , Yu Lu , Bing-Song Zou

We review heavy quark flavor and spin symmetries, their exploitation in heavy meson effective theories and the flavored couplings of charmed and light mesons in the definition of their effective Lagrangians. We point out how nonperturbative…

High Energy Physics - Phenomenology · Physics 2022-09-21 Bruno El-Bennich , Fernando E. Serna

Heavy-hadron chiral perturbation theory (HH$\chi$PT) is applied to the decays of the even-parity charmed strange mesons, D_{s0}(2317) and D_{s1}(2460). Heavy-quark spin symmetry predicts the branching fractions for the three electromagnetic…

High Energy Physics - Phenomenology · Physics 2014-11-17 Thomas Mehen , Roxanne P. Springer

We construct, in the work, chiral $SU(3)$ Lagrangian with $D$ mesons of spin $J^P=0^-$ and $J^P=1^-$ and charmed baryons of spin $J^P=1/2^+$ and $J^P=3/2^+$. There are 42 leading two-body counter-terms involving two charmed baryon fields…

High Energy Physics - Phenomenology · Physics 2016-06-15 Daris Samart , Chakrit Nualchimplee , Yupeng Yan

The chiral $SU(3)$ Lagrangian with charmed baryons of spin $J^P=1/2^+$ and $J^P=3/2^+$ is analyzed. We consider all counter terms that are relevant at next-to-next-to-next-to-leading order (N$^3$LO) in a chiral extrapolation of the charmed…

High Energy Physics - Phenomenology · Physics 2015-06-18 M. F. M. Lutz , D. Samart , Y. Yan

We study charmed and strange baryon resonances that are generated dynamically within a unitary meson-baryon coupled-channel model which incorporates heavy-quark spin symmetry. This is accomplished by extending the SU(3) Weinberg-Tomozawa…

High Energy Physics - Phenomenology · Physics 2012-09-06 L. Tolos , C. Garcia-Recio , J. Nieves , O. Romanets , L. L. Salcedo

Heavy-quark spin symmetry (HQSS) implies that in the direct decay of a heavy quarkonium with spin $S$, only lower lying heavy quarkonia with the same spin $S$ can be produced. However, this selection rule, expected to work very well in the…

High Energy Physics - Phenomenology · Physics 2023-02-13 V. Baru , E. Epelbaum , A. A. Filin , C. Hanhart , A. V. Nefediev

The strong interactions of the negative-parity heavy mesons with $\rho$ meson may be described consistently in the context of an effective lagrangian, which is invariant under isospin SU(2) transformation. Four coupling constants…

High Energy Physics - Phenomenology · Physics 2008-11-26 Zuo-Hong Li , Wei Liu , Hai-Yan Liu

We study the productions of charmed baryons ${\bar \Lambda}_c^- \Lambda_c^+$, ${\bar \Lambda}_c^- \Sigma_c^+$, and ${\bar \Sigma}^- \Sigma_c^+$ in the antiproton-proton collisions within an effective Lagrangian model that has only the…

High Energy Physics - Phenomenology · Physics 2018-01-03 R. Shyam

We adopt the heavy baryon chiral perturbation theory (HBChPT) to calculate the scattering lengths of $\phi B_{cc}^{(*)}$ up to $\mathcal{O}(p^3)$, where $\phi$ is the pseudoscalar mesons. The recoil effect and the mass splitting between the…

High Energy Physics - Phenomenology · Physics 2019-07-17 Lu Meng , Shi-Lin Zhu

We study charmed and strange baryon resonances that are generated dynamically by a unitary baryon-meson coupled-channel model which incorporates heavy-quark spin symmetry. This is accomplished by extending the SU(3) Weinberg-Tomozawa chiral…

High Energy Physics - Phenomenology · Physics 2012-07-05 O. Romanets , L. Tolos , C. Garcia-Recio , J. Nieves , L. L. Salcedo , R. G. E. Timmermans

Approximate heavy-quark spin and flavor symmetry and chiral symmetry play an important role in our understanding of the nonperturbative regime of strong interactions. In this work, utilizing the unitarized chiral perturbation theory, we…

High Energy Physics - Phenomenology · Physics 2015-08-05 Jun-Xu Lu , Yu Zhou , Hua-Xing Chen , Ju-Jun Xie , Li-Sheng Geng

In this work, we have used an Effective Field Theory (EFT) framework based on Heavy Quark Spin (HQSS), Heavy Flavour (HFS) and Heavy Antiquark-Diquark symmetries (HADS). Using a standard lagrangian for the heavy meson-heavy antimeson…

High Energy Physics - Phenomenology · Physics 2015-06-17 Feng-Kun Guo , Carlos Hidalgo-Duque , Juan Nieves , M. Pavon Valderrama

We estimate coupling constants for effective Lagrangians of $D$-meson, charmed, and light baryons from charmed baryon decay processes. First, we calculate decay widths for the processes $\Lambda_{c} \to DN$, $\Sigma_{c} \to D \Delta$,…

High Energy Physics - Phenomenology · Physics 2023-03-01 Thanat Sangkhakrit , Attaphon Kaewsnod , Warintorn Sreethawong , Thananuwat Suyuporn , Nopmanee Supanam , Daris Samart , Yupeng Yan

We study the properties of charmed pseudoscalar and vector mesons in dense matter within a unitary meson-baryon coupled-channel model which incorporates heavy-quark spin symmetry. This is accomplished by extending the SU(3)…

Nuclear Theory · Physics 2015-06-11 L. Tolos , C. Garcia-Recio , J. Nieves , O. Romanets , L. L. Salcedo

In order to meet the high-precision measurement of the current baryon spectroscopy, for the first time, we rigorously analyze the spin-dependent interactions and the fine structure of the negative-parity singly heavy baryons in the…

High Energy Physics - Phenomenology · Physics 2026-05-27 Zhen-Yu Li , Guo-Liang Yu , Zhi-Gang Wang , Jian-Zhong Gu
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