Results 101 to 110 of about 47,894 (240)

Identify hadron anomalous couplings at colliders

Journal of High Energy Physics
We investigate the identification of the Wess-Zumino-Witten (WZW) Lagrangian at colliders such as BESIII and the Super-τ-Charm Facility. Our analysis concentrates on the radiative decays of η and η ′ mesons, including η (′) → γγ, η (′) → γℓ + ℓ − , η (′)
Chao-Qiang Geng, Chia-Wei Liu, Yue-Liang Wu   +2 more
doaj   +1 more source

Producing fully-charmed tetraquarks via charm quark fragmentation in colliders

Journal of High Energy Physics
Within the framework of nonrelativistic QCD (NRQCD), we calculate the fragmentation function for a charm quark into an S-wave fully-charmed tetraquark, denoted as T 4c .
Xiao-Wei Bai, Feng Feng, Chang-Man Gan, Yingsheng Huang, Wen-Long Sang, Hong-Fei Zhang   +5 more
doaj   +1 more source

Renormalization group consistency and low-energy effective theories

SciPost Physics, 2019
Low-energy effective theories have been used very successfully to study the low-energy limit of QCD, providing us with results for a plethora of phenomena, ranging from bound-state formation to phase transitions in QCD.
Jens Braun, Marc Leonhardt, Jan M. Pawlowski
doaj   +1 more source

Optimal lattice domain-wall fermions with finite Ns

, 2003
I review the lattice formulations of vector-like gauge theories (e.g. QCD) with domain-wall fermions, and discuss how to optimize the chiral symmetry for any finite N_s (in the fifth dimension), as well as to eliminate its dependence on a_5.Comment: 7 ...
Chiu, Ting-Wai
core   +1 more source

Magnetic catalysis and anisotropic confinement in QCD

, 2002
The expressions for dynamical masses of quarks in the chiral limit in QCD in a strong magnetic field are obtained. A low energy effective action for the corresponding Nambu-Goldstone bosons is derived and the values of their decay constants as well as ...
C.N. Leung, D. Ebert, D. Kabat, D.H. Rischke, D.J. Gross, D.K. Hong, D.K. Hong, D.S. Lee, D.S. Lee, D.T. Son, D.T. Son, D.T. Son, D.V. Khveshchenko, E.J. Ferrer, E.V. Gorbar, G.W. Semenoff, H. Pagels, H. Suganuma, I. A. Shovkovy, I.A. Shushpanov, J. Alexandre, J. Schwinger, K. Farakos, K. Zarembo, M.G. Alford, N.O. Agasian, R.D. Pisarski, S. Kawati, S. Schramm, S.P. Klevansky, S.R. Beane, S.R. Coleman, S.R. Coleman, T. Schafer, V. A. Miransky, V.A. Miransky, V.A. Miransky, V.A. Miransky, V.C. Zhukovsky, V.P. Gusynin, V.P. Gusynin, V.P. Gusynin, V.P. Gusynin, V.P. Gusynin, V.P. Gusynin, V.P. Gusynin, V.P. Gusynin, V.P. Gusynin, W.V. Liu   +48 more
core   +1 more source

Further study on excited Ξ QQ ′ $$ {\Xi}_{QQ^{\prime }} $$ via photoproduction at CEPC and FCC-ee

Journal of High Energy Physics
Within the framework of NRQCD, the photoproduction of doubly heavy baryons Ξ cc , Ξ bc , Ξ bb and their P-wave excited states has been systematically investigated. The production mechanism is that a color anti-triplet or sextuplet diquark ⟨QQ ′⟩ is first
Hong-Hao Ma, Juan-Juan Niu, Lei Guo
doaj   +1 more source

In search of the QCD-Gravity correspondence

, 2009
Quantum Chromodynamics (QCD) is the fundamental theory of strong interactions. It describes the behavior of quarks and gluons which are the smallest known constituents of nuclear matter.
A. Karch, A. Kogan, A. Nakamura, A.A. Migdal, D. Finkelstein, D. Kharzeev, D. Kharzeev, D. Kharzeev, D. Kharzeev, D. Zwanziger, D.J. Gross, E. Lifshitz, E. Shuryak, E. Witten, F. Karsch, G. Boyd, G. Policastro, G. Torrieri, H.D. Politzer, I.B. Khriplovich, J. Maldacena, J. Oppenheimer, J. Schechter, J.C. Collins, J.R. Ellis, K. Dusling, K. Paech, K. Schwarzschild, K. Wilson, M. Luzum, M. Novello, M.A. Shifman, M.S. Chanowitz, N.K. Nielsen, O. Aharony, P. Arnold, P. Benincasa, P. Castorina, P. Ellis, P. Kovtun, P. Romatschke, R.J. Crewther, S. Bethke, S. Gubser, S. Hawking, U. Gursoy, U. Gursoy, V.A. Novikov, V.N. Gribov, Y.L. Dokshitzer   +49 more
core   +1 more source

A Modern View of Perturbative QCD and Application to Heavy Quarkonium Systems [PDF]

, 2014
Perturbative QCD has made significant progress over the last few decades. In the first part, we present an introductory overview of perturbative QCD as seen from a modern viewpoint.
Sumino, Y.
core  

Two-loop perturbative corrections to the constrained effective potential in thermal QCD

, 2019
In this paper, we compute the constrained QCD effective potential up to two-loop order with finite quark mass and chemical potential. We present the explicit calculations by using the double line notation and analytical expressions for massless quarks ...
Du, Qianqian, Guo, Yun
core   +1 more source

Tensor meson pole contributions to the HLbL piece of $${a}_{\mu }^{\text{HLbL}}$$ within RχT

Journal of High Energy Physics
We compute the tensor meson pole contributions to the Hadronic Light-by-Light piece of a μ in the purely hadronic region, using Resonance Chiral Theory. Given the differences between the dispersive and holographic groups determinations and the resulting ...
Emilio J. Estrada, Pablo Roig
doaj   +1 more source