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Combining heavy quark effective theory and the chiral Lagrangian approach we investigate D meson radiative decays. First, we reanalyse $D^{*} \rightarrow D \gamma$ decays using heavy quark spin symmetry, chiral symmetry Lagrangian, but…

High Energy Physics - Phenomenology · Physics 2007-05-23 B. Bajc , S. Fajfer , R. J. Oakes

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

The detection of strong magnetic fields in peripheral heavy-ion collisions is crucial for observing effects such as the chiral magnetic effect but has proven exceptionally difficult. To address this, we propose the baryon electric charge…

High Energy Physics - Lattice · Physics 2025-08-26 Heng-Tong Ding , Jin-Biao Gu , Arpith Kumar , Sheng-Tai Li

We report a calculation of the low-lying baryon magnetic moments using covariant chiral perturbation theory within the extended-on-mass-shell renormalization scheme including intermediate octet and decuplet contributions. For the case of…

High Energy Physics - Phenomenology · Physics 2014-11-20 J. Martin Camalich , L. Alvarez-Ruso , L. S. Geng , M. J. Vicente Vacas

We have investigated the electromagnetic decays of the antitriplet and sextet charmed baryon systems with $J^P= \frac{1}{2}^+, \frac{3}{2}^+$ in the framework of the heavy baryon chiral perturbation theory. We first construct the chiral…

High Energy Physics - Phenomenology · Physics 2015-09-16 Nan Jiang , Xiao-Lin Chen , Shi-Lin Zhu

We consider chiral loop corrections to the effective couplings which describe the strong interactions of two heavy mesons of even or odd parities and a light pseudoscalar meson, within a framework which combines heavy quark effective theory…

High Energy Physics - Phenomenology · Physics 2008-11-26 Svjetlana Fajfer , Jernej Kamenik

We review the recent results of heavy meson diffusion in thermal hadronic matter. The interactions of D and B-bar mesons with other hadrons (light mesons and baryons) are extracted from effective field theories based on chiral and…

Nuclear Theory · Physics 2016-02-17 Juan M. Torres-Rincon , Luciano M. Abreu , Daniel Cabrera , Olena Romanets , Laura Tolos

We provide a phenomenological analysis of present experimental searches for local parity violation manifested through the Chiral Magnetic Effect. We introduce and discuss the relevant correlation functions used for the measurements. Our…

Nuclear Theory · Physics 2015-06-05 Adam Bzdak , Volker Koch , Jinfeng Liao

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 demonstrate how heavy mass methods, previously applied to chiral perturbation theory calculations involving the interactions of nucleons and pions, can be generalized to include interactions with the $\Delta(1232)$ in a systematic…

High Energy Physics - Phenomenology · Physics 2008-11-26 Thomas R. Hemmert , Barry R. Holstein , Joachim Kambor

In the effective field theory framework the interaction between two heavy hadrons can be decomposed into a long- and a short-range piece. The long-range piece corresponds to the one-pion-exchange potential and is relatively well-known. The…

High Energy Physics - Phenomenology · Physics 2020-12-15 Fang-Zheng Peng , Ming-Zhu Liu , Mario Sánchez Sánchez , Manuel Pavon Valderrama

Persistent currents in mesoscopic metallic rings induced by static magnetic fields are investigated by means of a Hamiltonian which incorporates diagonal disorder and the electron-electron interaction through a Hubbard term ($U$).…

Condensed Matter · Physics 2016-08-15 G. Chiappe , J. A. Vergés , E. Louis

These lecture notes include the following topics. Chapter 1 deals with QCD and its global symmetries in the chiral limit, explicit symmetry breaking in terms of the quark masses, and the concept of Green functions and Ward identities…

High Energy Physics - Phenomenology · Physics 2007-05-23 Stefan Scherer , Matthias R. Schindler

Excited negative parity hyperon masses are calculated in a chiral bag model in which the pion and the kaon fields are treated as perturbations. We also calculate the hadronic widths of $\lama$ and $\lamb$ as well as the coupling constants…

Nuclear Theory · Physics 2009-10-22 Y. Umino , F. Myhrer

We adopt the heavy baryon chiral perturbation theory to calculate the $\Sigma_cN$ interaction to the next-to-leading order. We consider the contact interactions, one-pion-exchange contributions, two-pion-exchange diagrams, and…

Nuclear Theory · Physics 2020-07-01 Lu Meng , Bo Wang , Shi-Lin Zhu

We review recent progress in modeling the quark-gluon content of mesons and their low-energy interactions through the Global Color Model field theory. An emphasis is placed on techniques that are shared with the approach based on…

Nuclear Theory · Physics 2009-10-30 P. C. Tandy

We report on recent progress on the chiral unitary approach, which is shown to have a much larger convergence radius than ordinary chiral perturbation theory, allowing one to reproduce data for meson meson interaction up to 1.2 GeV and…

High Energy Physics - Phenomenology · Physics 2009-10-31 E. Oset , A. Hosaka , J. C. Nacher , M. Oka , J. A. Oller , A. Parreno , J. R. Pelaez , A. Ramos , H. Toki

We use the observed $SU(3)$ breaking in the mass spectrum of mesons containing a single heavy quark to place restrictions on the light quark current masses. A crucial ingredient in this analysis is our recent first-principles calculation of…

High Energy Physics - Phenomenology · Physics 2016-09-01 Markus A. Luty , Raman Sundrum

The positive parity scalar D$_{s0}^*$(2317) and axial-vector D$_{s1}^*$(2460) charmed strange mesons are generated by coupled-channel dynamics through the s-wave scattering of Goldstone bosons off the pseudoscalar and vector D(D$_s$)-meson…

High Energy Physics - Phenomenology · Physics 2010-12-16 Madeleine Soyeur , Matthias F. M. Lutz

Based on the formalism presented in [1], we make a systematic study of spin polarizations of hadrons with different spins including vector mesons, spin-1/2 and spin-3/2 hyperons and spin correlations of hadron-hadron such as…

Nuclear Theory · Physics 2026-03-17 Ji-peng Lv , Zi-han Yu , Xiao-wen Li , Zuo-tang Liang
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