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相关论文: Gluon fragmentation functions in the Nambu-Jona-La…

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Using the Nambu--Jona-Lasinio (NJL) model we study chemical potential response of the pion and kaon masses as a function of temperature and chemical potential, i.e., dm/d\mu (T, \mu). First, we obtain the responses assuming the vector-axial…

高能物理 - 格点 · 物理学 2007-05-23 O. Miyamura , S. Choe

A combined analysis of both $e^+\,e^-$ (LEP, SLD) and $p\,p$ (RHIC-PHENIX and LHC-ALICE) hadroproduction processes are done for the first time for the vector meson nonet at the next-to-leading order (NLO) using a model with broken SU(3)…

高能物理 - 唯象学 · 物理学 2020-07-07 H. Saveetha , D. Indumathi

The pion and kaon properties in a nuclear medium at nonvanishing temperature as well as the QCD chiral condensate in the presence of a magnetic field for various baryon densities are studied in the Nambu-Jona-Lasinio (NJL) model with the…

高能物理 - 唯象学 · 物理学 2022-06-29 Parada T. P. Hutauruk , Seung-il Nam

The universal fragmentation functions of gluon into the flavored quarkonia $B_c$ and (polarized) $B_c^*$ are computed within NRQCD factorization framework, at the lowest order in velocity expansion and strong coupling constant. It is…

高能物理 - 唯象学 · 物理学 2022-10-12 Feng Feng , Yu Jia , Deshan Yang

We describe B-hadron production in e+e- annihilation at the Z pole by means of a model including non-perturbative corrections to b-quark fragmentation as originating, via multiple soft emissions, from an effective QCD coupling constant,…

高能物理 - 唯象学 · 物理学 2010-03-25 Ugo Aglietti , Gennaro Corcella , Giancarlo Ferrera

We study nucleon structure functions within the bosonized Nambu-Jona-Lasinio (NJL) model where the nucleon emerges as a chiral soliton. We discuss the model predictions on the Gottfried sum rule for electron-nucleon scattering. A comparison…

高能物理 - 唯象学 · 物理学 2009-10-30 H. Weigel , L. Gamberg , H. Reinhardt

To study the high energy nuclear physics and the associated phenomenon, as the QGP/hadronic matter phase transition, the Nambu and Jona-Lasinio model (NJL) appears as an interesting alternative to the Quantum Chromodynamics, which is not…

高能物理 - 唯象学 · 物理学 2015-10-28 Eric Blanquier

We have studied the phenomenology of pion condensation in 2-flavor neutral quark matter at finite density with Nambu--Jona-Lasinio (NJL) model of QCD. We have discussed the role of the bare quark mass $m$ and the electric chemical potential…

高能物理 - 唯象学 · 物理学 2010-11-02 R. Anglani

The Nambu--Jona-Lasinio model (NJL) is extended to incorporate heavy quark spin-symmetry. In this model baryons containing one heavy quark are analyzed as bound-states of light baryons, represented as chiral solitons, and mesons containing…

高能物理 - 唯象学 · 物理学 2016-08-15 L. Gamberg , H. Weigel , U. Zückert , H. Reinhardt

Using data collected with the CLEO III detector at the Cornell Electron Storage Ring, we study the inclusive production of baryons/antibaryons (p, /) and mesons (phi and f_2(1270)) in gluon-fragmentation and quark-fragmentation processes.…

高能物理 - 实验 · 物理学 2019-08-12 R. A. Briere

The fragmentation of a light parton i to a jet containing a light energetic hadron h, where the momentum fraction of this hadron as well as the invariant mass of the jet is measured, is described by "fragmenting jet functions". We calculate…

高能物理 - 唯象学 · 物理学 2011-07-19 Ambar Jain , Massimiliano Procura , Wouter J. Waalewijn

Hot and dense quark matter with isospin and chiral imbalances is investigated in the framework of the (3+1)-dimensional Nambu--Jona-Lasinio model (NJL) in the large-$N_c$ limit ($N_c$ is the number of quark colors). Its phase structure is…

高能物理 - 唯象学 · 物理学 2019-03-27 T. G. Khunjua , K. G. Klimenko , R. N. Zhokhov

We solve for the $\rho$-meson's wave functions from a light-front QCD Hamiltonian determined for its constituent quark-antiquark and quark-antiquark-gluon Fock components, with a three-dimensional confinement using basis light-front…

高能物理 - 唯象学 · 物理学 2024-01-09 Satvir Kaur , Jiatong Wu , Zhi Hu , Jiangshan Lan , Chandan Mondal , Xingbo Zhao , James P. Vary

We review the so called A-scaled Nambu-Jona-Lasinio model both in the vacuum and at finite temperature and density in the case of three flavors. Starting from QCD and integrating out the gluons, we show how to reintroduce some of their…

核理论 · 物理学 2007-05-23 B. Van den Bossche

An investigation of dynamical chiral symmetry breaking on the light front is made in the Nambu--Jona-Lasinio model with one flavor and N colors. Analysis of the model suffers from extraordinary complexity due to the existence of a…

高能物理 - 唯象学 · 物理学 2009-10-31 K. Itakura , S. Maedan

We have estimated parallel and perpendicular components of electrical conductivity and shear viscosity of quark matter at finite magnetic field and temperature by using their one-loop Kubo expressions in the framework of Nambu--Jona-Lasinio…

高能物理 - 唯象学 · 物理学 2023-06-28 Aritra Bandyopadhyay , Snigdha Ghosh , Ricardo L. S. Farias , Sabyasachi Ghosh

The responses of quark condensates to the chemical potential, as a function of temperature T and chemical potential \mu, are calculated within the Nambu--Jona-Lasinio (NJL) model. We compare our results with those from the recent lattice…

高能物理 - 格点 · 物理学 2011-04-20 O. Miyamura , S. Choe , Y. Liu , T. Takaishi , A. Nakamura

This review paper presents the gluon, sea, and valence quark distributions of the pseudoscalar (PS) mesons. The calculations of the parton structure of PS mesons are performed using the Bethe-Salpeter equation-Nambu--Jona-Lasinio (BSE-NJL)…

高能物理 - 唯象学 · 物理学 2023-03-06 Parada T. P. Hutauruk , Seung-il Nam

The NJL model for the octet baryons, using proper time regularization to simulate some of the features of confinement, is solved self-consistently in nuclear matter. This provides an alternative framework to the MIT bag model which has been…

核理论 · 物理学 2016-10-07 D. L. Whittenbury , M. E. Carrillo-Serrano , A. W. Thomas

We have extended our previous computations of the even-N moments of the flavour-singlet four-loop splitting functions to N = 12 for the pure-singlet quark case and N = 10 for all other cases. These results, obtained using physical…

高能物理 - 唯象学 · 物理学 2023-10-10 S. Moch , B. Ruijl , T. Ueda , J. Vermaseren , A. Vogt