English
Related papers

Related papers: Diffractive processes as a tool for searching for …

200 papers

The type II seesaw model predicts the existence of a doubly charged Higgs boson ($H ^{\pm\pm}$), which can be produced through the Drell - Yan process and photon -- induced interactions at hadronic colliders. In recent years, such reactions…

High Energy Physics - Phenomenology · Physics 2023-02-22 Laura Duarte , Victor P. Goncalves , Daniel E. Martins , Téssio B. de Melo , Farinaldo S. Queiroz

We study the exclusive, double--diffractive production of the Standard Model Higgs particle in hadronic collisions at LHC and FNAL (upgraded) energies. Such a mechanism would provide an exceptionally clean signal for experimental detection…

High Energy Physics - Phenomenology · Physics 2010-11-01 Hung Jung Lu , Joseph Milana

We discuss diffractive production of open charm and bottom mesons at the LHC. The differential cross sections for single- and central-diffractive mechanisms for $c\bar c$ and $b\bar b$ pair production are calculated in the framework of the…

High Energy Physics - Phenomenology · Physics 2015-03-25 Marta Luszczak , Rafal Maciula , Antoni Szczurek

The main parts of the LHC diffractive physics programme possible to be measured using a proton tagging technique are presented. The geometric acceptance of the ATLAS forward proton detectors: ALFA and AFP for various LHC optics settings are…

High Energy Physics - Experiment · Physics 2016-06-06 Maciej Trzebinski

We present predictions for the diffractive production of $\chi$ mesons in the central rapidity region usually covered by collider detectors. The predicted cross sections are based on the Bialas-Landshoff formalism for both exclusive and…

High Energy Physics - Phenomenology · Physics 2008-11-26 M. Rangel , C. Royon , G. Alves , J. Barreto , R. Peschanski

The production of a single charged Higgs boson pair by photon - photon interactions in $pp$ collisions at the LHC is investigated in this exploratory study. We focus on the exclusive production, which is characterized by intact protons and…

High Energy Physics - Phenomenology · Physics 2024-03-05 Laura Duarte , Victor P. Goncalves , Daniel E. Martins , Téssio B. de Melo

A new production mechanism for the Standard Model Higgs boson in Ultraperipheral Collisions at LHC, which allows Central Exclusive Diffractive production by Double Pomeron Exchange in photon-proton processes, is presented. The Higgs boson…

High Energy Physics - Phenomenology · Physics 2014-11-21 M. B. Gay Ducati , G. G. Silveira

We summarize the possible processes which may be used to search for a Higgs boson, of mass in the range 114-130 GeV, at the LHC. We discuss, in detail, two processes with rapidity gaps: exclusive Higgs production with tagged outgoing…

High Energy Physics - Phenomenology · Physics 2011-09-13 A. De Roeck , V. A. Khoze , A. D. Martin , R. Orava , M. G. Ryskin

The production of doubly charged Higgs bosons (H^{\pm\pm}) at the CERN LHC can give rise to distinctive multi-lepton signatures. The discovery potential of H^{\pm\pm} can be optimized by considering a search strategy which is sensitive to…

High Energy Physics - Phenomenology · Physics 2010-11-19 A. G. Akeroyd , Cheng-Wei Chiang , Naveen Gaur

We investigate the prospects for heavy charged Higgs boson production through the mechanisms pp-bar(pp)->tbH+ +X at the upgraded Fermilab Tevatron and at the upcoming LHC collider at CERN respectively. We focus on the MSSM case at high…

High Energy Physics - Phenomenology · Physics 2008-11-26 Alexander Belyaev , David Garcia , Jaume Guasch , Joan Sola

The single and central diffractive production of the Standard Model Higgs boson is computed using the diffractive factorization formalism, taking into account a parametrization for the Pomeron structure function provided by the H1…

High Energy Physics - Phenomenology · Physics 2015-05-27 M. B. Gay Ducati , M. M. Machado , G. G. Silveira

We consider exclusive double diffractive production of scalar \chi_c(0^+), axial-vector \chi_c(1^+) and tensor \chi_c(2^+) charmonia in proton-(anti)proton collisions at different energies. The corresponding amplitudes for these processes…

High Energy Physics - Phenomenology · Physics 2014-11-20 R. S. Pasechnik , A. Szczurek , O. V. Teryaev

The observability of charged Higgs $ H^{\pm} $ has been investigated at future lepton collider by assuming type-I 2HDM, at a centre of mass energy $ \sqrt{s}=1.5$ TeV. The signal process chain is $ e^{+}e^{-} \rightarrow Z^{*}/…

High Energy Physics - Phenomenology · Physics 2021-11-30 Nadia Kausar , Ijaz Ahmed , Ather M. W

We study the central diffractive production of the (three neutral) Higgs bosons, with a rapidity gap on either side, in an MSSM scenario with CP-violation. We consider the bb-bar and tautau-bar decay for the light H_1 boson and the four…

High Energy Physics - Phenomenology · Physics 2009-11-10 V. A. Khoze , A. D. Martin , M. G. Ryskin

The double diffractive Higgs production at central rapidity is formulated in terms of the fusion of two AdS gravitons/Pomerons first introduced by Brower, Polchinski, Strassler and Tan in elastic scattering. Here we propose a simple…

High Energy Physics - Phenomenology · Physics 2015-06-04 Richard C. Brower , Marko Djurić , Chung-I Tan

Diffractive phenomena constitute a large fraction of interactions occurring in pp collisions at LHC. Because of the non-perturbative nature, their present understanding is still relatively poor and uncertain. One of the methods to study…

High Energy Physics - Phenomenology · Physics 2023-09-06 Rafał Staszewski

Models for soft color interactions have been successful in describing and predicting diffractive hard scattering processes in ep collisions at DESY HERA and ppbar at the Fermilab Tevatron. Here we present new comparisons of the model to…

High Energy Physics - Phenomenology · Physics 2009-11-07 R. Enberg , G. Ingelman , N. Timneanu

We investigate the prospects for Central Exclusive Diffractive (CED) production of MSSM Higgs bosons at the LHC using forward proton detectors (FPD) proposed to be installed 220 m and 420 m from ATLAS and CMS detectors. We summarize the…

High Energy Physics - Experiment · Physics 2013-10-15 Marek Tasevsky

Contrary to common perceptions about systems produced in Single-Pomeron-Exchange (SPE) pp interactions, the hard diffractive process discovered at the CERN SPS-Collider leads to dominant central production of Higgs bosons at the LHC. The…

High Energy Physics - Phenomenology · Physics 2007-05-23 Samim Erhan , Victor T. Kim , Peter E. Schlein

We present a study of central exclusive production of $W^+W^-$ pairs in proton-proton collisions at the LHC. We compare the contribution of the $\gamma \gamma \to W^+ W^-$ mechanism with a new mechanism of exclusive diffractive production…

High Energy Physics - Phenomenology · Physics 2012-12-18 Piotr Lebiedowicz , Roman Pasechnik , Antoni Szczurek