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We evaluate the leading order amplitude for the deep exclusive electroproduction of an exotic hybrid meson in the Bjorken regime. We show that, contrary to naive expectation, this amplitude factorizes at the twist 2 level and thus scales…

High Energy Physics - Phenomenology · Physics 2009-11-10 I. V. Anikin , B. Pire , L. Szymanowski , O. V. Teryaev , S. Wallon

Many new physics models contain new particles that interact with the Higgs boson. These particles could be produced at the LHC via gluon-gluon fusion with an off-shell Higgs, as well as via the Drell-Yan process if charged under a gauge…

High Energy Physics - Phenomenology · Physics 2015-05-29 A. G. Hessler , A. Ibarra , E. Molinaro , S. Vogl

In this contribution we summarize recent results on the computation of cross sections for glueball candidates production in quasi-real photon-photon collisions and on central diffraction processes, i.e. double Pomeron exchange, in heavy ion…

High Energy Physics - Phenomenology · Physics 2011-11-28 M. V. T. Machado , M. L. L. da Silva

This article presents a very brief review of the physics of Ultra-Peripheral Collisions (UPC) at the Large Hadron Collider (LHC) and other nuclear facilities. I discuss several processes of interest such as electron-position pair…

High Energy Physics - Phenomenology · Physics 2023-07-19 C. A. Bertulani

We discuss the exotic hadron structure and hadron-hadron interactions in view of heavy ion collisions. First, we demonstrate that a hadronic molecule with a large spatial size would be produced more abundantly in the coalescence model…

Nuclear Theory · Physics 2015-06-12 A. Ohnishi , S. Cho , T. Furumoto , T. Hyodo , D. Jido , C. M. Ko , K. Morita , S. H. Lee , M. Nielsen , T. Sekihara , S. Yasui , K. Yazaki

We consider the production of spin 3/2 quarks in hadron-hadron and photon-photon colliders. The cross sections at LHC energy is large enough to observe such exotic quarks up to a mass of a few TeV.

High Energy Physics - Phenomenology · Physics 2007-05-23 Duane A. Dicus , S. Gibbons , S. Nandi

Proton-proton (pp) collisions have been traditionally used as a baseline measurement in the search for a deconfined state of matter in heavy-ion collisions at ultrarelativistic energies. The unprecedented collision energies that are…

Nuclear Experiment · Physics 2019-08-29 Raghunath Sahoo

One of the versions of the SU(3)$_L\otimesU(1)_N$ electroweak model predicts charged heavy-leptons which do not belong to any class of heavy-leptons proposed up to now. We investigate the production and signatures of pairs of these…

High Energy Physics - Phenomenology · Physics 2009-10-31 J. E. Cieza Montalvo , M. D. Tonasse

True muonium, the bound state of a muon and an antimuon, is a theoretically well-understood but experimentally unobserved exotic atom. Its purely leptonic nature makes it a sensitive probe for bound-state quantum electrodynamics and…

High Energy Physics - Experiment · Physics 2026-05-19 Ivo Schulthess , Benjamin Banto Oberhauser , Paolo Crivelli

We discuss two production mechanisms of the $J^{PC}=1^{-+}$ exotic meson, hadroproduction, using pion beams and photoproduction. We show that the ratio of exotic to non-exotic, in particular the $a_2$, meson production cross sections is…

High Energy Physics - Phenomenology · Physics 2009-11-07 Adam P. Szczepaniak , Maciej Swat

We present a systematic study of production of strange and non-strange hadron yields and their ratios obtained in various experiments using our thermodynamically consistent excluded-volume model. We also analyze the production of light…

High Energy Physics - Phenomenology · Physics 2015-06-17 S. K. Tiwari , C. P. Singh

A theoretical investigation of the bound-free electron-positron pair production in relativistic heavy ion collisions is presented. Special attention is paid to the positrons emitted under large angles with respect to the beam direction. The…

High Energy Physics - Phenomenology · Physics 2012-04-04 A. N. Artemyev , U. D. Jentschura , V. G. Serbo , A. Surzhykov

In this contribution we report on the investigation of the photoproduction of W and Z bosons in the planned electron-proton/nucleus collider, the LHeC. The production cross sections and the number of events are provided and theoretical…

High Energy Physics - Phenomenology · Physics 2013-09-30 M. V. T. Machado , C. Brenner Mariotto

We calculate total and differential cross sections for the pair production, at the Large Hadron Collider, of exotic leptons that could emerge from models with vector-like leptons and in Type-III seesaw scenarios. Our predictions include…

High Energy Physics - Phenomenology · Physics 2023-04-17 A. H. Ajjath , Benjamin Fuks , Hua-Sheng Shao , Yehudi Simon

In this Letter we explore the modelling of hadron production in electromagnetic ion dissociation (EMD) processes in high-energy ultraperipheral collisions at LHC energies. Since EMD can accompany exclusive particle production in these…

High Energy Physics - Phenomenology · Physics 2026-04-30 M. Dyndal , L. A. Harland-Lang

We investigate the pair production of charged heavy leptons via photon-induced processes at the proposed CERN Large Hadron Collider (LHC). Using effective photon and Z approximations, rates are given for $L^+L^-$ production due to $\gamma…

High Energy Physics - Phenomenology · Physics 2009-10-28 G. Bhattacharya , Pat Kalyniak , K. A. Peterson

In this paper we propose the analysis of the heavy quark photoproduction associated with a leading neutron in hadronic collisions at the LHC as an alternative to probe the pion gluon distribution in a kinematical range not covered by…

High Energy Physics - Phenomenology · Physics 2026-03-19 Victor P. Goncalves , Juciene T. de Souza , Diego Spiering

We investigate the associated production of charged Higgs bosons (H^\pm) and W bosons at the CERN Large Hadron Collider, using the leptonic decay H^+ -> tau^+ nu_tau and hadronic W decay, within different scenarios of the Minimal…

High Energy Physics - Phenomenology · Physics 2007-10-18 David Eriksson , Stefan Hesselbach , Johan Rathsman

We investigate the possibilities of using measurements in present and future experiments on heavy ion collisions to answer some longstanding problems in hadronic physics, namely identifying hadronic molecular states and exotic hadrons with…

We report the first observation of exclusive $\rho$ production in ultra-peripheral collisions at RHIC. The $\rho$ are produced electromagnetically at large impact parameters where no hadronic interactions occur. The produced $\rho$ have a…

Nuclear Experiment · Physics 2019-08-14 S. Klein