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Using an exactly solvable statistical model we discuss the equation of state of large/heavy and short-living quark gluon plasma (QGP) bags. We argue that the large width of the QGP bags explains not only the observed deficit in the number…

High Energy Physics - Phenomenology · Physics 2010-11-11 K. A. Bugaev , G. M. Zinovjev

The variational einbein field method is applied to the model of the QCD string with quarks at the ends for the case of light-light and heavy-light mesons. Special attention is payed to the proper string dynamics. The correct string slope of…

High Energy Physics - Phenomenology · Physics 2009-11-07 A. V. Nefediev

Motivated by great progresses in experiments in searching for the heavy baryons, we systematically analyze the mass spectra and root mean square radius of single heavy baryons $\Lambda_{Q}$, $\Sigma_{Q}$ and $\Omega_{Q}$. The calculations…

High Energy Physics - Phenomenology · Physics 2023-04-26 Guo-Liang Yu , Zhen-Yu Li , Zhi-Gang Wang , Jie Lu , Meng Yan

We study the of motion of a spinning, dilating particle with hadronic properties moving on a generic geometric background including curvature, torsion, and nonmetricity. In particular, we discuss generalized spin supplementary conditions…

General Physics · Physics 2026-04-28 Damianos Iosifidis

Polarization has proved an invaluable tool for probing magnetic fields in relativistic jets. Maps of the intrinsic polarization vectors have provided the best evidence to date for uniform, toroidally dominated magnetic fields within jets.…

High Energy Astrophysical Phenomena · Physics 2015-05-14 Avery E Broderick , Abraham Loeb

We initiate the study of Regge theory in a bottom-up holographic model for QCD in the Veneziano limit, where the backreaction of the quarks to the gluon dynamics is included. We determine the parameters of the model by carrying out a…

High Energy Physics - Phenomenology · Physics 2021-07-28 Artur Amorim , Miguel S. Costa , Matti Järvinen

Using the Regge-like formula $(M-m_Q)^2=\pi\sigma L$ between hadron mass $M$ and angular momentum $L$ with a heavy quark mass $m_Q$ and a string tension $\sigma$, we analyze all the heavy-light systems, i.e., $D/D_s/B/B_s$ mesons and…

High Energy Physics - Phenomenology · Physics 2018-01-19 Kan Chen , Yubing Dong , Xiang Liu , Qi-Fang Lü , Takayuki Matsuki

A model potential for two-particle relativistic systems is investigated in the framework of Poincare-invariant quantum mechanics (or relativistic Hamiltonian dynamics). The potential considered allows to reduce the main integro-differential…

High Energy Physics - Phenomenology · Physics 2007-05-23 V. V. Andreev , M. N. Sergeenko

We put forward a new phenomenological method for calculating the slope of radial trajectories from values of ground states and vacuum condensates. The method is based on a large-$N_c$ extension of borelized spectral sum rules. The approach…

High Energy Physics - Phenomenology · Physics 2018-08-01 S. S. Afonin , T. D. Solomko

We present predictions for n(gamma,K+)Sigma- differential cross sections and photon-beam asymmetries and compare them to recent LEPS data. We adapt a Regge-plus-resonance (RPR) model developed to describe photoinduced and electroinduced…

Nuclear Theory · Physics 2009-11-05 P. Vancraeyveld , L. De Cruz , J. Ryckebusch , T. Van Cauteren

We study the analytic continuation in the spin of the planar spectrum of ABJM theory using the integrability-based Quantum Spectral Curve (QSC) method. Under some minimal assumptions, we classify the analytic properties of the Q-functions…

High Energy Physics - Theory · Physics 2025-03-13 Nicolò Brizio , Andrea Cavaglià , Roberto Tateo , Valerio Tripodi

Bulk mesons propagating in chiral and gluon condensates, in a gravity background, are scrutinized in holographic soft wall AdS/QCD models, involving deformed dilatonic backgrounds. The configurational entropy of the $a_1$ axial vector, the…

High Energy Physics - Theory · Physics 2018-12-26 A. E. Bernardini , R. da Rocha

The framework of phenomenological quark-antiquark potential (Coulomb plus linear confinement) model with the Gaussian wave function is used for detailed study of masses of the ground, orbitally and radially excited states of heavy-light…

High Energy Physics - Phenomenology · Physics 2017-10-04 Virendrasinh Kher , Nayneshkumar Devlani , Ajay Kumar Rai

We study associated production of prompt photon and two jets at high energies in the framework of the parton Reggeization approach, which is based on multi-Regge factorization of hard processes and Lipatov's effective theory of Reggeized…

High Energy Physics - Phenomenology · Physics 2019-10-23 Anton Karpishkov , Vladimir Saleev , Alexandra Shipilova

The spectra of light-light and heavy-light mesons are calculated within the framework of the QCD string model, which is derived from QCD in the Wilson loop approach. Special attention is payed to the proper string dynamics that allows us to…

High Energy Physics - Phenomenology · Physics 2009-11-07 Yu. S. Kalashnikova , A. V. Nefediev , Yu. A. Simonov

The MIT bag model is shown to be wrong because the bag pressure cannot be held constant, and the volume can be fixed in terms of it. The bag derivation of Regge's trajectories is invalidated by an integration of the energy and angular…

General Physics · Physics 2011-12-20 B. H. Lavenda

Mesons and baryons are considered in soft-wall holographic approach based on the correspondence of string theory in AdS space and conformal field theory in physical space-time. The model generates Regge trajectories linear in n and J (L)…

High Energy Physics - Phenomenology · Physics 2012-04-24 Valery E. Lyubovitskij , Thomas Gutsche , Ivan Schmidt , Alfredo Vega

In the quasilinear Regge trajectory ansatz, some useful linear mass inequalities, quadratic mass inequalities and quadratic mass equalities are derived for mesons and baryons. Based on these relations, mass ranges of some mesons and baryons…

High Energy Physics - Phenomenology · Physics 2008-11-26 Xin-Heng Guo , Ke-Wei Wei , Xing-Hua Wu

For the first time it has become possible to compare global 3D general relativistic magnetohydrodynamic (GRMHD) jet formation simulations directly to very-long baseline interferometric multi-frequency polarization observations of the…

High Energy Astrophysical Phenomena · Physics 2015-05-19 Avery E. Broderick , Jonathan C. McKinney

We continue our program of describing hadrons as rotating strings with massive endpoints. In this paper we propose models of baryons and confront them with the baryon Regge trajectories. We show that these are best fitted by a model of a…

High Energy Physics - Phenomenology · Physics 2015-03-03 Jacob Sonnenschein , Dorin Weissman
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