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We show that the data of $p_{T}$ spectra of $\Omega^{-}$ and $\phi$ at midrapidity in inelastic events in $pp$ collisions at $\sqrt{s}=$ 13 TeV exhibit a constituent quark number scaling property, which is a clear signal of quark…

High Energy Physics - Phenomenology · Physics 2019-12-24 Jian-wei Zhang , Hai-hong Li , Feng-lan Shao , Jun Song

We study multiplicity correlations of hadrons in forward and backward hemispheres in $pp$ inelastic interactions at energies 200GeV $\leq \sqrt{s} \leq$ 13TeV within the microscopic quark-gluon string model. The model correctly describes…

High Energy Physics - Phenomenology · Physics 2018-11-16 L. V. Bravina , J. Bleibel , E. E. Zabrodin

Hadronic resonances, with lifetimes of a few fm/\textit{c}, are key tools for studying the hadronic phase in high-energy collisions. This work investigates resonance production in pp collisions at $\sqrt{s} = 13.6$ TeV and in Pb$-$Pb…

High Energy Physics - Phenomenology · Physics 2025-12-01 Vikash Sumberia , Dukhishyam Mallick , Sanjeev Singh Sambyal , Nasir Mehdi Malik

The transversity form factors of the pion, involving matrix elements of bilocal tensor currents, are evaluated in chiral quark models, both in the local Nambu--Jona-Lasinio with the Pauli-Villars regularization, as well as in nonlocal…

High Energy Physics - Phenomenology · Physics 2010-11-11 Wojciech Broniowski , Alexander E. Dorokhov , Enrique Ruiz Arriola

The bulk of inelastic hadronic interactions is characterized by longitudinal phase space and exponentially damped transverse momentum spectra. A simple model with only a single adjustable parameter is presented, making it a very convenient…

High Energy Physics - Phenomenology · Physics 2007-05-23 M. Schmelling

We parameterize the enhancement of threshold effects away from hadronic endpoint that arise due to the steeply falling nature of parton distribution functions, within the context of soft-collinear effective theory. This is accomplished in a…

High Energy Physics - Phenomenology · Physics 2010-12-14 Christian W. Bauer , Nicholas Daniel Dunn , Andrew Hornig

Heavy ion collisions provide a unique probe of the quark-gluon plasma properties. The role of partonic degrees of freedom in p-Pb collisions at $\sqrt{s_{NN}}$ = 5 TeV by studying the production cross section is studied. Experimental…

High Energy Physics - Phenomenology · Physics 2020-02-14 O. Kot , T. Obikhod , O. Okhrimenko , I. Petrenko

The origin and main properties of new heavy hadrons as dark matter candidates, are represented. Low-energy interactions of new hadrons with leptons and nucleons are described in the terms of effective vertexes. We consider the lowest…

High Energy Physics - Phenomenology · Physics 2020-11-16 Vladimir Kuksa , Vitaly Beylin

We present our results for the leading-order hadronic quark-connected contributions to the electron, the muon, and the tau anomalous magnetic moments obtained with four dynamical quarks. Performing the continuum limit and an analysis of…

High Energy Physics - Lattice · Physics 2014-11-06 Florian Burger , Grit Hotzel , Karl Jansen , Marcus Petschlies

The duality between partonic and hadronic descriptions of physical phenomena is one of the most remarkable features of strong interaction physics. A classic example of this is in electron-nucleon scattering, in which low-energy cross…

High Energy Physics - Phenomenology · Physics 2014-11-18 W. Melnitchouk , R. Ent , C. Keppel

A constituent quark model is developed for an arbitrary light- cone direction \omega. Form factors are obtained from free one-body electromagnetic current matrix elements. They are found to be \omega- independent for spin-0 mesons, the…

High Energy Physics - Phenomenology · Physics 2009-10-28 H. J. Weber , Xiaoming Xu

We calculate the effective potentials of the octet baryon and heavy meson systems using the chiral effective field theory up to the next-to-leading order. We consider the contact terms, one-pseudoscalar-meson and two-pseudoscalar-meson…

High Energy Physics - Phenomenology · Physics 2024-12-12 Bo-Lin Huang , Bo Wang , Shi-Lin Zhu

We present a covariant formulation and model calculations of transverse momentum-dependent quark distribution functions (TMDs) for spin-one hadrons. Emphasis is placed on a description of these 3-dimensional distribution functions which is…

Nuclear Theory · Physics 2017-11-01 Yu Ninomiya , Wolfgang Bentz , Ian C. Cloët

A complete set of dimension-6 effective contact interactions involving Higgs, gauge bosons and quarks is studied. Limits on the coefficients of these new operators are obtained from the experimental values of the $Z$ and $W$ gauge bosons…

High Energy Physics - Phenomenology · Physics 2011-01-25 Alexander Belyaev , Rogerio Rosenfeld

We study the $N \bar D$ system by means of a chiral constituent quark model. This model, tuned in the description of the baryon and meson spectra as well as the $NN$ interaction, provides parameter-free predictions for the charm -1…

High Energy Physics - Phenomenology · Physics 2012-05-21 T. F. Carames , A. Valcarce

We study, in the PNJL model, how the entropy of interacting quarks reflects the change in the effective degrees of freedom as the temperature increases through the quark-hadron phase transition. With inclusion of mesonic correlations, the…

High Energy Physics - Phenomenology · Physics 2015-06-22 Kanako Yamazaki , T. Matsui , Gordon Baym

We re-examine the jet probes of the nucleon spin and flavor structures. We find for the first time the time-reversal odd (T-odd) component of a jet, conventionally thought to vanish, can survive due to the non-perturbative fragmentation and…

High Energy Physics - Phenomenology · Physics 2021-06-25 Xiaohui Liu , Hongxi Xing

This work deals with form factors of the energy-momentum tensor (EMT) of spin-0 particles and the unknown particle property D-term related to the EMT, and is divided into three parts. The first part explores free, weakly and strongly…

High Energy Physics - Phenomenology · Physics 2017-12-15 Jonathan Hudson , Peter Schweitzer

While the hard phase of the strong interaction is well described by perturbative QCD, the soft hadronization phase is less understood. Benefiting from the high statistics from e+e- experiments at the Z0 resonance, it is possible to impose…

High Energy Physics - Phenomenology · Physics 2011-09-13 P. Eden , G. Gustafson

In recent years a tentative description of the short-range part of hadron interactions with constituent quark interchange has been developed providing an alternative approach to meson physics. Quark interchange plays a role, for example, in…

Nuclear Theory · Physics 2008-11-26 D. T. da Silva , D. Hadjimichef