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We study heavy quarkonium within the light-front Hamiltonian formalism. Our effective Hamiltonian is based on the holographic QCD confining potential and the one-gluon exchange interaction with a running coupling. The obtained spectra are…

Nuclear Theory · Physics 2017-09-13 Yang Li

We study the heavy quarkonium within the basis light-front quantization approach. We implement the one-gluon exchange interaction and a confining potential inspired by light-front holography. We adopt the holographic light-front…

High Energy Physics - Phenomenology · Physics 2016-05-12 Yang Li , Pieter Maris , Xingbo Zhao , James P. Vary

We investigate the unequal mass relativistic bound state system, the $B_c$ mesons, in a light-front Hamiltonian formalism. We adopt an effective Hamiltonian based on soft-wall light-front holography, together with a longitudinal confinement…

Nuclear Theory · Physics 2019-01-02 Shuo Tang , Yang Li , Pieter Maris , James P. Vary

A constituent parton picture of hadrons with logarithmic confinement naturally arises in weak coupling light-front QCD. Confinement provides a mass gap that allows the constituent picture to emerge. The effective renormalized Hamiltonian is…

High Energy Physics - Phenomenology · Physics 2009-10-28 Martina M. Brisudova , Robert J. Perry , Kenneth G. Wilson

This is the third paper on hadronic light front wave functions (LFWFs). We derive a light front Hamiltonian from first principles using the key features of the QCD vacuum at low resolution. In the first approximation, it gives transverse…

High Energy Physics - Phenomenology · Physics 2022-08-11 Edward Shuryak , Ismail Zahed

We consider the recently suggested model for some resonances near the open charm threshold as bound states of charmonium inside excited light mesons. It is argued in the soft-wall holographic model of QCD that such states of heavy…

High Energy Physics - Theory · Physics 2009-01-16 S. Dubynskiy , A. Gorsky , M. B. Voloshin

We investigate the structure of charmonium, bottomonium, and $\rm B_c$ meson systems within the Basis Light-Front Quantization (BLFQ) approach, including both the quark-antiquark ($|q\bar{q}\rangle$) and quark-antiquark-gluon…

High Energy Physics - Phenomenology · Physics 2026-03-10 Jiatong Wu , Hengfei Zhao , Kaiyu Fu , Zhi Hu , Xingbo Zhao , James P. Vary

We study exclusive charmonium and bottomonium production in ultra-peripheral heavy-ion collisions and electron-ion collisions within the dipole picture. We employ heavy quarkonium light-front wavefunctions obtained within the basis…

Nuclear Theory · Physics 2019-08-28 Guangyao Chen , Yang Li , Kirill Tuchin , James Vary

In this work we compare mass spectra and decay constants obtained from two recent, independent, and fully relativistic approaches to the quarkonium bound-state problem: the Hamiltonian basis light-front quantization (BLFQ) approach, where…

High Energy Physics - Phenomenology · Physics 2017-11-22 Sofia Leitão , Yang Li , Pieter Maris , M. T. Peña , Alfred Stadler , James P. Vary , Elmar P. Biernat

The light-front wave functions of hadrons allow us to calculate a wide range of physical observables; however, the wave functions themselves cannot be measured. We discuss recent results for quarkonia obtained in basis light-front…

Nuclear Theory · Physics 2020-11-03 Pieter Maris , Shaoyang Jia , Meijian Li , Yang Li , Shuo Tang , James P. Vary

We study the light-unflavored mesons as relativistic bound states in the nonperturbative Hamiltonian formalism of the basis light-front quantization (BLFQ) approach. The dynamics for the valence quarks of these mesons is specified by an…

Nuclear Theory · Physics 2020-12-30 Wenyang Qian , Shaoyang Jia , Yang Li , James P. Vary

We investigate the gravitational form factors of charmonium. Our method is based on a Hamiltonian formalism on the light front known as basis light-front quantization. The charmonium mass spectrum and light-front wave functions were…

High Energy Physics - Phenomenology · Physics 2024-08-20 Siqi Xu , Xianghui Cao , Tianyang Hu , Yang Li , Xingbo Zhao , James P. Vary

We study exclusive charmonium production in diffractive deep inelastic scattering and ultra-peripheral heavy-ion collisions within the dipole picture. The mass spectrum and light-front wavefunctions of charmonium are obtained from the basis…

Nuclear Theory · Physics 2017-10-31 Guangyao Chen , Yang Li , Pieter Maris , Kirill Tuchin , James P. Vary

We present a QCD bound-state calculation based on a renormalization group-improved light-front Hamiltonian formalism. The QCD Hamiltonian is determined to second order in the coupling, and it includes two-body confining interactions. We…

High Energy Physics - Phenomenology · Physics 2007-05-23 Martina Brisudova

We calculate the electromagnetic (charge, magnetic and quadrupole) form factors and the associated static moments of heavy quarkonia (charmonia and bottomonia) using the Basis Light Front Quantization (BLFQ) approach. For this work, we…

High Energy Physics - Phenomenology · Physics 2019-03-27 Lekha Adhikari , Yang Li , Meijian Li , James P. Vary

The mass spectrum of $b\bar{b}$ states has been obtained using the phenomenological relativistic quark model (RQM). The Hamiltonian used in the investigation has confinement potential and confined one gluon exchange potential (COGEP). In…

High Energy Physics - Phenomenology · Physics 2017-04-20 Manjunath Bhat , Antony Prakash Monteiro , K. B. Vijaya Kumar

We describe a procedure to extend the light-front holographic approach to hadronic physics to include light-quark masses. The proposed framework allows us to extend the formalism of de Alfaro, Fubini and Furlan to the frame-independent…

High Energy Physics - Phenomenology · Physics 2014-05-13 Guy F. de Teramond , Stanley J. Brodsky , Hans Gunter Dosch

We discuss a general theoretical framework for the study of bound states made of two heavy quarks. For states below threshold, the framework has been developed to the level of providing precision studies for several charmonium and…

High Energy Physics - Phenomenology · Physics 2009-12-23 Antonio Vairo

We present recent progress in constructing heavy quarkonia light-front wave functions from the light-front quark model, a relativistic framework well-suited for describing partonic structure and hadronic form factors. In this proceeding, we…

High Energy Physics - Phenomenology · Physics 2025-09-01 Muhammad Ridwan , Ahmad Jafar Arifi , Terry Mart

We report on a recent investigation on heavy quarkonium hybrids that goes beyond the usual Born-Oppenheimer approximation by including not only the mixing between nearby hybrid states but also the mixing with quarkonium states. We use a…

High Energy Physics - Phenomenology · Physics 2017-09-26 Joan Soto
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