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Related papers: Physics from Photons at the LHC

200 papers

The strong electromagnetic fields associated with high energy protons and nuclei may lead to exclusive photoproduction of vector mesons in proton-proton and nucleus-nucleus collisions at the LHC. This paper will discuss the expected cross…

High Energy Physics - Phenomenology · Physics 2007-05-23 Joakim Nystrand

This text is meant as an introduction to the theoretical physics of photon emission in hot and dense strongly interacting matter, the principal application being relativistic nuclear collisions. We shall cover some of the results and…

High Energy Physics - Phenomenology · Physics 2015-05-13 Charles Gale

We calculate the production of real photons originating from the photoproduction in relativistic $pp$ collisions. The Weizs$\ddot{\mathrm{a}}$cker-Williams approximation in the photoproduction is considered. Numerical results agree with the…

Nuclear Theory · Physics 2015-06-03 Yong-ping Fu , Yun-de Li

We report on recent studies of photon-induced (PI) contributions to di-lepton production and their implications for Beyond Standard Model (BSM) $Z^\prime$-bosons searches at the LHC.

High Energy Physics - Phenomenology · Physics 2017-06-28 Juri Fiaschi , Elena Accomando , Francesco Hautmann , Stefano Moretti , Claire H. Shepherd-Themistocleous

We propose an experiment at the LHC with leading neutron production.The latter can be used to extract from it the total $\pi^+ p$ cross-sections. With two leading neutrons we can get access to the total $\pi^+\pi^+$ cross-sections. In this…

High Energy Physics - Phenomenology · Physics 2010-02-11 V. A. Petrov , R. A. Ryutin , A. E. Sobol

We analyze the photon-initiated processes for production of $ e ^ + e ^- $ pairs in proton-nucleus collisions at LHC energy, taking into account both elastic processes and proton dissociations in the low-mass region (LMR) and…

High Energy Physics - Phenomenology · Physics 2022-12-07 Barbara Linek , Marta Łuszczak , Wolfgang Schäfer , Antoni Szczurek

We study for the first time the production of charmonia in nuclear ultra-peripheral and electron-ion collisions based on a rigorous Green function formalism. Such formalism allows to incorporate properly formation effects (color…

High Energy Physics - Phenomenology · Physics 2024-10-04 J. Nemchik , J. Óbertová

A class of extensions to the Standard Model adds hypothetical long-lived particles (LLPs) that have mass- or kinetic-mixing with neutral mesons, such as pions or rho mesons. The mixing can contribute significantly to the production of LLPs…

High Energy Physics - Phenomenology · Physics 2025-09-25 Yehor Kyselov , Stephen Mrenna , Maksym Ovchynnikov

We present a systematic investigation of lepton pair production through photon-photon fusion processes in heavy-ion collisions. It is demonstrated that the dilepton production at a given impact parameter ($b_\perp$) with a fixed transverse…

High Energy Physics - Phenomenology · Physics 2025-02-17 Yu Shi , Lin Chen , Shu-Yi Wei , Bo-Wen Xiao

We present results about photons production in relativistic heavy ion collisions. The main novelty of our study is the calculation of the contribution of the early stage photons to the photon spectrum. The initial stage is modeled by an…

Nuclear Theory · Physics 2017-08-02 L. Oliva , M. Ruggieri , S. Plumari , F. Scardina , G. X. Peng , V. Greco

In this work we investigate the coherent photoproduction of psi(1S), psi(2S) and Upsilon (1S) states in the proton-nucleus collisions in the LHC energies. Predictions for the rapidity distributions are presented using the color dipole…

High Energy Physics - Phenomenology · Physics 2014-06-19 G. Sampaio dos Santos , M. V. T. Machado

A precision measurement of the LHC luminosity is a key ingredient for its physics program. In this contribution first of all we review the theoretical accuracy in the computation of LHC benchmark processes. Then we discuss the impact of…

High Energy Physics - Phenomenology · Physics 2012-03-27 Juan Rojo

The LHCf experiment is dedicated to the measurement of very forward particle production in the high energy hadron-hadron collisions at LHC, with the aim of improving the cosmic-ray air shower developments models. The detector has taken data…

High Energy Physics - Experiment · Physics 2013-10-15 O. Adriani

Modelling the underlying event in high-energy hadronic collisions is important for physics at colliders. This includes lepton colliders, where low-virtuality photons accompanying the lepton beam(s) may develop hadronic structure. Similarly,…

High Energy Physics - Phenomenology · Physics 2024-12-17 J. M. Butterworth , I. M. Helenius , J. J. Juan Castella , B. Pattengale , S. Sanjrani , M. Wing

By using models based on Regge phenomenology we analyse the coherent photoproduction of charmonium in peripheral heavy-ion collisions at the Large Hadron Collider (LHC). The centrality dependence is investigated and compared to the…

High Energy Physics - Phenomenology · Physics 2022-03-15 Laszlo Jenkovszky , Vladyslav Libov , Magno V. T. Machado

We show how the parton distributions in the photon can be accurately measured in the photoproduction of large-pt jets at HERA. A short review is given of the beyond Leading Logarithm formalism for the photon structure function, with a…

High Energy Physics - Phenomenology · Physics 2009-09-25 M. Fontannaz

We report on the current status of knowledge on inclusive quarkonium production in high-energy photon-photon collisions. As a perspective for the LHC, we compute various production cross sections via direct photon-photon fusion in…

High Energy Physics - Phenomenology · Physics 2008-12-18 M. Klasen , J. P. Lansberg

While the advantages of photonic quantum computing, including direct compatibility with communication, are apparent, several imperfections such as loss and distinguishability presently limit actual implementations. These imperfections are…

We explore the possibility of using ultra-peripheral proton-lead collisions at the LHC to study inclusive vector-quarkonium photoproduction, that occurs when a quasi-real photon emitted by a fully stripped lead ion breaks a proton to…

High Energy Physics - Phenomenology · Physics 2024-09-04 Jean-Philippe Lansberg , Kate Lynch , Charlotte Van Hulse , Ronan McNulty

Dark photons serve as a portal to connect the dark and standard model sectors. Here, we propose photon-induced exclusive diffractive processes as a new tool to study the production of dark photons in current and future colliders. These…

High Energy Physics - Phenomenology · Physics 2024-10-10 Jan Cepila , Jesús Guillermo Contreras