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The experimental status is reviewed on the search for the chiral magnetic effect (CME) in relativistic heavy-ion collisions. Emphasis is put on background contributions to the CME-sensitive charge correlation measurements and their effects…

Nuclear Experiment · Physics 2022-07-26 Fuqiang Wang

After a short status report on chiral perturbation theory, I review recent progress in determining some of the low-energy couplings by matching the effective theory to QCD. Consequences for K_{l3} decays and for the extraction of the CKM…

High Energy Physics - Phenomenology · Physics 2009-11-11 G. Ecker

Hadron structure and nuclear structure are discussed from the common ground of effective chiral Lagrangians modeling QCD at low energy. The topics treated are the chiral bag model in large $N_c$ QCD, its connection to heavy-baryon chiral…

High Energy Physics - Phenomenology · Physics 2016-09-01 Mannque Rho

The magnetic moments of ${}^2{H}$, ${}^3{He}$ and ${}^3{H}$ as well as the thermal neutron capture rate on the proton are calculated using heavy baryon chiral perturbation theory {\it \`{a} la} Weinberg. The M1 operators have been derived…

Nuclear Theory · Physics 2008-04-10 Young-Ho Song , Rimantas Lazauskas , Tae-Sun Park , Dong-Pil Min

We study the finite-size scaling of heavy-light mesons in the static limit. We compute two-point functions of chiral current densities as well as pseudoscalar densities in the epsilon-regime of heavy meson Chiral Perturbation Theory…

High Energy Physics - Lattice · Physics 2014-11-20 Fabio Bernardoni , Pilar Hernandez , Silvia Necco

Transition decay widths by one-pion emissions for excited heavy-baryons with a single heavy (charm and bottom) quark are investigated by following the heavy-quark symmetry and its breaking effects at ${\cal O}(1/M)$ for a heavy-baryon mass…

High Energy Physics - Phenomenology · Physics 2019-08-07 S. Yasui

Theoretical approaches to assess modifications of vector mesons in the medium, as well as their experimental identification via electromagnetic probes, are discussed. Implications for the nature of chiral symmetry restoration in hot/dense…

Nuclear Theory · Physics 2007-05-23 R. Rapp , J. Wambach

We analyze the effective low--energy field theory of Goldstone bosons and baryons chirally coupled to massive spin--1 fields. We use the electromagnetic baryon form factors to demonstrate the formal equivalence between the vector and the…

High Energy Physics - Phenomenology · Physics 2015-06-25 B. Borasoy , Ulf-G. Meißner

In these lectures I make an introduction to chiral unitary theory applied to the meson baryon interaction and show how several well known resonances are dynamically generated, and others are predicted. Two very recent experiments are…

Nuclear Theory · Physics 2011-02-09 E. Oset , D. Cabrera , V. K. Magas , L. Roca , S. Sarkar , M. J. Vicente Vacas , A. Ramos

We study the behavior of dynamically-generated baryon resonances with heavy-quark content within a unitarized coupled-channel theory in matter that fulfills heavy-quark spin symmetry constraints. We analyze the implications for the…

These lectures introduce some of the basic notions of effective field theories, as used in particle physics. The topics discussed are the $\Delta S=1$ and $\Delta S =2$ weak interactions, and chiral perturbation theory as applied to mesons,…

High Energy Physics - Phenomenology · Physics 2007-05-23 Aneesh V. Manohar

We calculate shell-model matrix elements of the axial-charge exchange current operators that have been obtained up to the next-to-leading order from heavy-fermion chiral perturbation theory. It is found that loop corrections to the soft…

Nuclear Theory · Physics 2009-10-28 Tae-Sun Park , Ian S. Towner , Kuniharu Kubodera

We systematically derive the analytical expressions of the magnetic moments of the spin-$1\over 2$ singly charmed baryons to the next-to-next-to-leading order in the heavy baryon chiral perturbation theory (HBChPT). We discuss the…

High Energy Physics - Phenomenology · Physics 2018-10-03 Guang-Juan Wang , Lu Meng , Hao-Song Li , Zhan-Wei Liu , Shi-Lin Zhu

One of the key challenges for nuclear physics today is to understand from first principles the effective interaction between hadrons with different quark content. First successes have been achieved using techniques that solve the dynamics…

Nuclear Experiment · Physics 2020-12-18 ALICE Collaboration

We consider the effects of excited states on the $SU(3)$ breaking chiral loop corrections to heavy meson properties. In particular, we compare the size of kaon loops in which an excited heavy meson appears to the size of previously…

High Energy Physics - Phenomenology · Physics 2009-10-22 Adam F. Falk

It is shown how the hard thermal loop approximation can be used in chiral perturbation theory to study some thermal properties of Goldstone bosons. Hard thermal effects are first studied in the non-linear sigma model. Then those results are…

High Energy Physics - Phenomenology · Physics 2007-05-23 Cristina Manuel

The magnetic moments, magnetic form factors, and transition magnetic form factors of doubly charmed baryons are studied within heavy baryon chiral perturbation theory. We regulate the loop integrals using the finite-range regularization.…

High Energy Physics - Phenomenology · Physics 2025-07-11 Jiong-Jiong Liu , Zhan-Wei Liu , Xiu-Lei Ren , Yu Zhuge

In high-energy heavy-ion collisions, the chiral magnetic effect (CME) is predicted to arise from the interplay between the chirality imbalance of quarks in the nuclear medium and the intense magnetic field, and will cause a charge…

Nuclear Theory · Physics 2023-03-22 Diyu Shen , Jinhui Chen , Aihong Tang , Gang Wang

The inclusion of electromagnetism in a low energy effective theory is worth further study in view of the present high precision experiments (muon g-2, pi_0->2 gamma, tau decays, etc.). In particular in many applications of chiral…

High Energy Physics - Phenomenology · Physics 2009-11-10 Ignazio Scimemi

The unknown constants in Chiral Perturbation Theory needed for an all orders analysis of the polarizabilities and electromagnetic corrections to the masses of the pseudo-Goldstone bosons are estimated at leading order in $1/N_c$. We…

High Energy Physics - Phenomenology · Physics 2009-10-28 Johan Bijnens , Joaquim Prades