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Related papers: Low mass diffractive systems at LHC

200 papers

We present a `global' description of the wide variety of high energy elastic and diffractive data that are presently available, particularly from the LHC experiments. The model is based on only one pomeron pole, but includes multi-pomeron…

High Energy Physics - Phenomenology · Physics 2015-06-18 V. A. Khoze , A. D. Martin , M. G. Ryskin

Multiple interaction models satisfying $s$-channel unitarity predict that, in contrast to inelastic processes, factorization is violated in diffractive processes. The size of this effect can be characterized in terms of the rapidity gap…

High Energy Physics - Phenomenology · Physics 2007-05-23 F. W. Bopp , R. Engel , J. Ranft , A. Rostovtsev

Strange quark and particle production is studied at the LHC with unprecedented high beam energies in both heavy-ion and proton-proton collisions: on the one hand, strangeness is used for investigating chemical equilibration and bulk…

Nuclear Experiment · Physics 2019-08-13 Boris Hippolyte

In these proceedings, measurements of angular correlations between hadron pairs in pp collisions obtained by the ALICE experiment at the LHC are presented and compared with phenomenological predictions. Correlations between particles…

High Energy Physics - Experiment · Physics 2020-06-01 Jonatan Adolfsson

A clear evidence of inclusive diffraction observed by the CMS detector at the Large Hadron Collider in minimum bias events at $\sqrt{s}=$0.9 TeV, 2.36 TeV is presented. The observed diffractive signal is dominated by inclusive…

High Energy Physics - Experiment · Physics 2011-02-04 Dmytro Volyanskyy

We study hard diffractive scattering in hadron-hadron collisions including, on top of the standard Pomeron-initiated processes, contributions due to the exchange of Reggeons. Using a simple model to describe the parton content of the…

High Energy Physics - Phenomenology · Physics 2017-01-10 C. Marquet , D. E. Martins , A. V. Pereira , M. Rangel , C. Royon

A review is given on photon-hadron and photon-photon collisions in the ALICE experiment. The physics motivation for studying such reactions is outlined, and the results obtained in proton-lead and lead-lead collisions in Run 1 of the LHC…

Nuclear Experiment · Physics 2015-10-28 R. Schicker

ALICE (A Large Ion Collider Experiment) studies the transition of nuclear matter to a deconfined phase known as Quark Gluon Plasma, in ultra-relativistic heavy-ion collisions at the LHC. ALICE is equipped with a muon spectrometer for the…

Instrumentation and Detectors · Physics 2019-08-21 Mattia Fontana

The ALICE detector provides excellent capabilities to study quarkonium production at the Large Hadron Collider (LHC). Heavy quarkonia, bound states of charm or beauty quark anti-quark pairs such as the $\mathrm{J/\psi}$, are expected to be…

High Energy Physics - Experiment · Physics 2015-06-18 Fiorella Fionda

The ATLAS detector at the LHC is equipped with dedicated systems designed for the detection of forward protons produced in diffractive and photon-induced processes. These detectors significantly extend the ATLAS physics reach. Recent…

High Energy Physics - Experiment · Physics 2022-11-24 Rafał Staszewski

Diffractive production of the Higgs boson at hadron colliders is discussed in the light of the observed rate of hard diffractive dijet events at the Tevatron. The Higgs predictions of models successful for dijets are compared. LHC seems…

High Energy Physics - Phenomenology · Physics 2007-05-23 R. Peschanski

The Large Hadron Collider (LHC), the world's largest and most powerful particle accelerator, has been a pivotal tool in advancing our understanding of fundamental physics. By colliding heavy ions (such as lead ions), the LHC recreates…

Close to one half of the LHC events are expected to be due to elastic or inelastic diffractive scattering. Still, predictions based on extrapolations of experimental data at lower energies differ by large factors in estimating the relative…

High Energy Physics - Experiment · Physics 2010-04-22 Mikael Kuusela , Jerry W. Lamsa , Eric Malmi , Petteri Mehtala , Risto Orava

We study Higgs boson production via Double Pomeron Exchange allowing for the presence of Pomeron remnants. We estimate the number of events produced at the LHC collider, as a function of the Higgs boson mass and its decay channel. The model…

High Energy Physics - Phenomenology · Physics 2018-04-16 M. Boonekamp , A. De Roeck , R. Peschanski , C. Royon

The forward physics program of the CMS experiment at the LHC spans a broad range of diverse physics topics including studies of low-x QCD and diffractive scattering, multi-parton interactions and underlying event structure, gamma-mediated…

High Energy Physics - Experiment · Physics 2019-08-13 Dmytro Volyanskyy

We use perturbative QCD, beyond the leading $\ln Q^2$ approximation, to show how measurements of diffractive $J/\psi$ production at HERA can provide a sensitive probe of the gluon density of the proton at small values of Bjorken $x$. We…

High Energy Physics - Phenomenology · Physics 2008-02-03 M. G. Ryskin , R. G. Roberts , A. D. Martin , E. M. Levin

We show that the diffractive pp (and p\bar{p}) data (on \sigma_tot, d\sigma_el/dt, proton dissociation into low-mass systems, \sigma^D(low M), and high-mass dissociation, d\sigma/d(\Delta\eta)) in a wide energy range from CERN-ISR to LHC…

High Energy Physics - Phenomenology · Physics 2015-06-16 V. A. Khoze , A. D. Martin , M. G. Ryskin

The holographic approach to double diffractive Higgs production is presented for the AdS graviton/Pomeron. The goal is to provide a predictive phenomenology for the strong coupling expansion of QCD. This is the first step to set up the…

High Energy Physics - Phenomenology · Physics 2012-04-03 Richard Brower , Marko Djurić , Chung-I Tan

We give detailed predictions for diffractive SUSY Higgs boson and top squark associated productions at the LHC via the exclusive double pomeron exchange mechanism. We study how the SUSY Higgs cross section and the signal over background…

High Energy Physics - Phenomenology · Physics 2008-11-26 M. Boonekamp , J. Cammin , S. Lavignac , R. Peschanski , C. Royon

We explore an alternative process for the diffractive Higgs boson production in peripheral pp collisions arising from Double Pomeron Exchange in photon-proton interaction. We introduce the impact factor formalism in order to enable the…

High Energy Physics - Phenomenology · Physics 2008-12-30 M. B. Gay Ducati , G. G. Silveira