Related papers: Probing nucleons with photons at the quark level

Probing Electroweak Top Quark Couplings at Hadron and Lepton Colliders

We discuss possibilities to measure the tt-gamma and ttZ couplings at hadron and lepton colliders. We also briefly describe how these measurements can be used to constrain the parameter space of models of new physics, in particular Little…

High Energy Physics - Phenomenology · Physics 2014-11-18 U. Baur , A. Juste , L. H. Orr , D. Rainwater

Phenomenological hadron form factors: shape and relativity

The use of relativistic quark models with simple parametric wave functions for the understanding of the electromagnetic structure of nucleons together with their electromagnetic transition to resonances is discussed. The implications of…

Nuclear Theory · Physics 2008-11-26 B. Julia-Diaz

Quarks, Electrons, and Atoms in Closely Related Universes

In a model where a multiverse wavefunction explores a multitude of vacua with different symmetries and parameters, properties of universes closely related to ours can be understood by examining the consequences of small departures of…

Astrophysics · Physics 2007-05-23 Craig J. Hogan

A gauge invariant chiral unitary framework for kaon photo- and electroproduction on the proton

We present a gauge invariant approach to photoproduction of mesons on nucleons within a chiral unitary framework. The interaction kernel for meson-baryon scattering is derived from the chiral effective Lagrangian and iterated in a…

Nuclear Theory · Physics 2008-11-26 B. Borasoy , P. C. Bruns , Ulf-G. Meißner , R. Nißler

Hadronization and Quark Probes of Deconfinement at RHIC

We discuss experimental features of identified particle production from nucleus-nucleus collisions. These features reflect hadronization from a deconfined partonic matter whose particle formation scheme is distinctly different from…

High Energy Physics - Phenomenology · Physics 2016-09-06 Huan Z. Huang , Johann Rafelski

Determination of CKM matrix element and axial vector form factors from weak decays of quantum-entangled strange baryons

The electromagnetic structure of the nucleon can be determined from the scattering of electrons off a nucleon target. However, to study its axial structure, neutrino beams are required. The results from these experiments should be…

High Energy Physics - Experiment · Physics 2025-09-15 BESIII Collaboration , M. Ablikim , M. N. Achasov , P. Adlarson , X. C. Ai , R. Aliberti , A. Amoroso , Q. An , Y. Bai , O. Bakina , Y. Ban , H. -R. Bao , V. Batozskaya , K. Begzsuren , N. Berger , M. Berlowski , M. Bertani , D. Bettoni , F. Bianchi , E. Bianco , A. Bortone , I. Boyko , R. A. Briere , A. Brueggemann , H. Cai , M. H. Cai , X. Cai , A. Calcaterra , G. F. Cao , N. Cao , S. A. Cetin , X. Y. Chai , J. F. Chang , G. R. Che , Y. Z. Che , C. H. Chen , Chao Chen , G. Chen , H. S. Chen , H. Y. Chen , M. L. Chen , S. J. Chen , S. L. Chen , S. M. Chen , T. Chen , X. R. Chen , X. T. Chen , X. Y. Chen , Y. B. Chen , Y. Q. Chen , Y. Q. Chen , Z. Chen , Z. J. Chen , Z. K. Chen , S. K. Choi , X. Chu , G. Cibinetto , F. Cossio , J. Cottee-Meldrum , J. J. Cui , H. L. Dai , J. P. Dai , A. Dbeyssi , R. E. de Boer , D. Dedovich , C. Q. Deng , Z. Y. Deng , A. Denig , I. Denysenko , M. Destefanis , F. De Mori , B. Ding , X. X. Ding , Y. Ding , Y. Ding , Y. X. Ding , J. Dong , L. Y. Dong , M. Y. Dong , X. Dong , M. C. Du , S. X. Du , S. X. Du , Y. Y. Duan , Z. H. Duan , P. Egorov , G. F. Fan , J. J. Fan , Y. H. Fan , J. Fang , J. Fang , S. S. Fang , W. X. Fang , Y. Q. Fang , L. Fava , F. Feldbauer , G. Felici , C. Q. Feng , J. H. Feng , L. Feng , Q. X. Feng , Y. T. Feng , M. Fritsch , C. D. Fu , J. L. Fu , Y. W. Fu , H. Gao , X. B. Gao , Y. Gao , Y. N. Gao , Y. N. Gao , Y. Y. Gao , S. Garbolino , I. Garzia , L. Ge , P. T. Ge , Z. W. Ge , C. Geng , E. M. Gersabeck , A. Gilman , K. Goetzen , J. D. Gong , L. Gong , W. X. Gong , W. Gradl , S. Gramigna , M. Greco , M. H. Gu , Y. T. Gu , C. Y. Guan , A. Q. Guo , L. B. Guo , M. J. Guo , R. P. Guo , Y. P. Guo , A. Guskov , J. Gutierrez , K. L. Han , T. T. Han , F. Hanisch , K. D. Hao , X. Q. Hao , F. A. Harris , K. K. He , K. L. He , F. H. Heinsius , C. H. Heinz , Y. K. Heng , C. Herold , P. C. Hong , G. Y. Hou , X. T. Hou , Y. R. Hou , Z. L. Hou , H. M. Hu , J. F. Hu , Q. P. 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Rosini , Ch. Rosner , M. Q. Ruan , N. Salone , A. Sarantsev , Y. Schelhaas , K. Schoenning , M. Scodeggio , K. Y. Shan , W. Shan , X. Y. Shan , Z. J. Shang , J. F. Shangguan , L. G. Shao , M. Shao , C. P. Shen , H. F. Shen , W. H. Shen , X. Y. Shen , B. A. Shi , H. Shi , J. L. Shi , J. Y. Shi , S. Y. Shi , X. Shi , H. L. Song , J. J. Song , T. Z. Song , W. M. Song , Y. J. Song , Y. X. Song , Zirong Song , S. Sosio , S. Spataro , S Stansilaus , F. Stieler , S. S Su , Y. J. Su , G. B. Sun , G. X. Sun , H. Sun , H. K. Sun , J. F. Sun , K. Sun , L. Sun , S. S. Sun , T. Sun , Y. C. Sun , Y. H. Sun , Y. J. Sun , Y. Z. Sun , Z. Q. Sun , Z. T. Sun , C. J. Tang , G. Y. Tang , J. Tang , J. J. Tang , L. F. Tang , Y. A. Tang , L. Y. Tao , M. Tat , J. X. Teng , J. Y. Tian , W. H. Tian , Y. Tian , Z. F. Tian , I. Uman , B. Wang , B. Wang , Bo Wang , C. Wang , C. Wang , Cong Wang , D. Y. Wang , H. J. Wang , J. J. Wang , K. Wang , L. L. Wang , L. W. Wang , M. Wang , M. Wang , N. Y. 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In-Medium Vector Mesons, Dileptons and Chiral Restoration

Medium modifications of the electromagnetic spectral function in hadronic and quark-gluon matter are reviewed. A strong broadening of the $\rho$ meson, which dominates the spectral function in the low-mass regime, is quantitatively…

Nuclear Theory · Physics 2011-01-25 Ralf Rapp

Probing the electron-phonon interaction in correlated systems with coherent lattice fluctuation spectroscopy

Tailoring the properties of correlated oxides is accomplished by chemical doping, pressure, temperature or magnetic field. Photoexcitation is a valid alternative to reach out-of-equilibrium states otherwise inaccessible. Here, we…

Superconductivity · Physics 2015-08-05 Andreas Mann , Edoardo Baldini , Antonio Tramontana , Ekaterina Pomjakushina , Kazimierz Conder , Christopher Arrell , Frank van Mourik , José Lorenzana , Fabrizio Carbone

Gauge- and point-invariant vertices of nucleon-to-resonance interactions

We construct interactions of nucleons N with higher-spin resonances R invariant under point and gauge transformations of the Rarita-Schwinger field. It is found for arbitrarily high spin of a resonance that the requirement of point- and…

High Energy Physics - Phenomenology · Physics 2013-03-21 G. Vereshkov , N. Volchanskiy

Quark-Quark and Quark-nucleon Potential model Extended-soft-core meson-exchange Interactions

The Quark-quark (QQ) and Quark-nucleon (QN) interactions in this paper are derived from the Extended-soft-core (ESC) interactions. The meson-quark-quark (MQQ) vertices are determined in the framework of the constituent quark model (CQM).…

Nuclear Theory · Physics 2024-12-23 Th. A. Rijken , Y. Yamamoto

Review of low-energy interaction of strange and charm hadrons with nucleons and nuclei

The properties of strange and charm mesons in nuclear matter and nuclei are reviewed. Different frameworks are presented and discussed paying a special attention to unitarized coupled-channel approaches. Possible experimental signatures of…

Nuclear Theory · Physics 2013-01-15 Laura Tolos , Carmen Garcia-Recio , Raquel Molina , Juan Nieves , Eulogio Oset , Angels Ramos , Lorenzo Luis Salcedo

Relations of meson and nucleon electromagnetic and gravitational radii with quarks and gluons contributions

The electromagnetic and gravitational form factors of the nucleon determined by quark and gluon contributions are calculated using the momentum transfer dependence of generalized parton distributions with different forms of parton…

High Energy Physics - Phenomenology · Physics 2025-09-16 O. V. Selyugin , O. V. Teryaev

Electromagnetic Probes: Theory and Experiment

We review the current state of research on electromagnetic probes in the context of heavy-ion collisions. The focus is on thermal photons and dileptons which provide unique insights into the properties of the created hot and dense matter.…

High Energy Physics - Phenomenology · Physics 2022-11-01 Ralf-Arno Tripolt , Frank Geurts

Quark and gluon entanglement in the proton based on a light-front Hamiltonian

Given that the wave function of a proton can be derived relativistically and nonperturbatively from a light-front quantized Hamiltonian, investigating the quantum correlation between quarks and gluons offers a novel perspective on the…

High Energy Physics - Phenomenology · Physics 2024-12-17 Chen Qian , Siqi Xu , Yang-Guang Yang , Xingbo Zhao

A Glimpse of Gluons through Deeply Virtual Compton Scattering on the Proton

The proton is composed of quarks and gluons, bound by the most elusive mechanism of strong interaction called confinement. In this work, the dynamics of quarks and gluons are investigated using deeply virtual Compton scattering (DVCS):…

High Energy Physics - Experiment · Physics 2018-02-07 M. Defurne , A. Martì Jiménez-Argüello , Z. Ahmed , H. Albataineh , K. Allada , K. A. Aniol , V. Bellini , M. Benali , W. Boeglin , P. Bertin , M. Brossard , A. Camsonne , M. Canan , S. Chandavar , C. Chen , J. -P. Chen , C. W. de Jager , R. de Leo , C. Desnault , A. Deur , L. El Fassi , R. Ent , D. Flay , M. Friend , E. Fuchey , S. Frullani , F. Garibaldi , D. Gaskell , A. Giusa , O. Glamazdin , S. Golge , J. Gomez , O. Hansen , D. Higinbotham , T. Holmstrom , T. Horn , J. Huang , M. Huang , C. E. Hyde , S. Iqbal , F. Itard , H. Kang , A. Kelleher , C. Keppel , S. Koirala , I. Korover , J. J. LeRose , R. Lindgren , E. Long , M. Magne , J. Mammei , D. J. Margaziotis , P. Markowitz , M. Mazouz , F. Meddi , D. Meekins , R. Michaels , M. Mihovilovic , C. Munoz Camacho , P. Nadel-Turonski , N. Nuruzzaman , R. Paremuzyan , A. Puckett , V. Punjabi , Y. Qiang , A. Rakhman , M. N. H. Rashad , S. Riordan , J. Roche , G. Russo , F. Sabatié , K. Saenboonruang , A. Saha , B. Sawatzky , L. Selvy , A. Shahinyan , S. Sirca , P. Solvignon , M. L. Sperduto , R. Subedi , V. Sulkosky , C. Sutera , W. A. Tobias , G. M. Urciuoli , D. Wang , B. Wojtsekhowski , H. Yao , Z. Ye , X. Zhan , J. Zhang , B. Zhao , Z. Zhao , X. Zheng , P. Zhu

Quark-gluon vertex in the complex plane

In the present work we explore for the first time the general structure and properties of the nonperturbative quark-gluon vertex in the complex plane. Specifically, we focus on the transversely-projected quark-gluon vertex that emerges from…

High Energy Physics - Phenomenology · Physics 2026-05-08 M. N. Ferreira , A. S. Miramontes , J. M. Morgado , J. Papavassiliou

Hadron Electromagnetic Structure: Shedding Light on Models and their Mechanisms

Strange quark contributions to the proton magnetic moment are estimated from a consideration of baryon magnetic moment sum rules. The environment sensitivity of quark contributions to baryon moments is emphasized. Pion cloud contributions…

High Energy Physics - Phenomenology · Physics 2009-10-28 Derek B. Leinweber

Main Parameters of Ilc-Tevatron Based Lepton-Hadron and Photon-Hadron Colliders

The construction of the ILC tangential to Tevatron ring will give opportunity to investigate electron-proton, positron-proton, electron-antiproton, positron-antiproton interactions at 1 TeV center of mass energy. The analysis of the…

High Energy Physics - Experiment · Physics 2008-11-26 O. Cakir , A. K. Ciftci , E. Recepoglu , S. Sultansoy , O. Yavas

Can Binary Bound States in a Strongly Coupled Quark-Gluon Plasma be observed via dileptons and photons?

Recently there was a significant change of views on physical properties and underlying dynamics of Quark-Gluon Plasma at $T=170-350 MeV$, produced in heavy ion collisions at RHIC. Instead of weakly coupled gas of quasiparticles, it is…

High Energy Physics - Phenomenology · Physics 2007-05-23 Jorge Casalderrey-Solana , Edward V. Shuryak

Towards the understanding of heavy quarks hadronization: from leptonic to heavy-ion collisions

The formation of hadrons is a fundamental process in nature that can be investigated at particle colliders. As several recent findings demonstrate, with $\mathrm{e^+e^-}$ collisions as a "vacuum-like" reference at one extreme, and central…

High Energy Physics - Phenomenology · Physics 2025-01-13 J. Altmann , A. Dubla , V. Greco , A. Rossi , P. Skands