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The production of a single neutral Higgs boson h through (loop-induced) gamma-gamma collisions is explored in the context of the linear colliders within the general Two-Higgs-Doublet Model (2HDM). Two different mechanisms are analyzed: on…

High Energy Physics - Phenomenology · Physics 2014-11-18 Nicolas Bernal , David Lopez-Val , Joan Sola

We study the possibility to detect heavy physics effects in the interactions of Higgs bosons and the top quark at future colliders using the effective Lagrangian approach. The modification of the interactions may enhance the production of…

High Energy Physics - Phenomenology · Physics 2009-10-30 J. L. Diaz-Cruz , M. A. Perez , J. J. Toscano

The observation of WW$\gamma$ production in proton-proton collisions at a center-of-mass energy of 13 TeV with an integrated luminosity of 138 fb$^{-1}$ is presented. The observed (expected) significance is 5.6 (5.1) standard deviations.…

High Energy Physics - Experiment · Physics 2024-03-22 CMS Collaboration

We discuss single diffractive gauge bosons ($\gamma^*,\,W^{\pm},\,Z$) production in proton-proton collisions at different (LHC and RHIC) energies within the color dipole approach. The calculations are performed for gauge bosons produced at…

High Energy Physics - Phenomenology · Physics 2013-06-28 Roman Pasechnik , Boris Kopeliovich , Irina Potashnikova

We use as a starting point the original, central inclusive Bialas-Landshoff model for Higgs and dijet production by a double pomeron exchange in pp collisions. Next we propose the simple extension of this model to the exclusive processes.…

High Energy Physics - Phenomenology · Physics 2009-11-11 Adam Bzdak

We compute the rate for diffractive upsilon meson production at the Tevatron and the LHC. The upsilon is produced diffractively via the subprocess gamma + p -> upsilon + p where the initial photon is radiated off an incoming proton (or…

High Energy Physics - Phenomenology · Physics 2009-08-05 B. E. Cox , J. R. Forshaw , R. Sandapen

We present a preliminary study of the production of a light Higgs boson with a mass between 120 and 160 GeV in photon-photon collisions at a Compton collider. The event generator for the backgrounds to a Higgs signal due to bbbar and ccbar…

High Energy Physics - Experiment · Physics 2009-11-07 G. Jikia , S. Soldner-Rembold

We study Higgs boson production from gluon-gluon fusion at mid-rapidity in high energy proton-nucleus collisions. For this process the presently still little known gluon distribution function $h_1^{\perp g}$ gives a numerically relevant…

High Energy Physics - Phenomenology · Physics 2013-05-30 Andreas Schäfer , Jian Zhou

We study Higgs boson pair production processes at future hadron and lepton colliders including the photon collision option in several new physics models; i.e., the two-Higgs-doublet model, the scalar leptoquark model, the sequential fourth…

High Energy Physics - Phenomenology · Physics 2010-12-24 Eri Asakawa , Daisuke Harada , Shinya Kanemura , Yasuhiro Okada , Koji Tsumura

The production of the $W$ and $Z$ bosons in single diffractive processes at the LHC is investigated taking into account the ATLAS, CMS and LHCb acceptances and considering different assumptions for the flavour content of the Pomeron. The…

High Energy Physics - Phenomenology · Physics 2019-02-27 E. A. F. Basso , V. P. Goncalves , D. E. Martins , M. S. Rangel

We discuss new diffractive mechanism of central exclusive production of $W^+W^-$ pairs in proton-proton collisions at the LHC. We include diagrams with intermediate virtual Higgs boson as well as quark box diagrams. Several observables…

High Energy Physics - Phenomenology · Physics 2015-06-04 Piotr Lebiedowicz , Roman Pasechnik , Antoni Szczurek

The holographic approach to double diffractive Higgs production is presented in terms of exchanging the AdS graviton/Pomeron. The goal is to provide a simple framework for central exclusive production from a dual strong coupling…

High Energy Physics - Phenomenology · Physics 2014-12-10 Richard Brower , Marko Djurić , Chung-I Tan

We study Higgs boson production in association with a pair of electroweak vector bosons ($WW,ZZ,Z\gamma$) at future $\epem$ colliders in the framework of the Standard Model. Total cross sections and distributions for the intermediate-mass…

High Energy Physics - Phenomenology · Physics 2009-10-22 M. Baillargeon , F. Boudjema , F. Cuypers , E. Gabrielli , B. Mele

We present a study of associated jpsi + gamma production through double Pomeron exchange at energies reached at the Fermilab Tevatron and CERN LHC based on the Ingelman-Schlein model for hard diffractive scattering and the factorization…

High Energy Physics - Phenomenology · Physics 2007-05-23 Jia-Sheng Xu , Hong-An Peng

We review selected results for Higgs boson production at Linear Colliders in the framework of the general Two-Higgs-Doublet Model (2HDM). We concentrate on the analysis of i) the pairwise production of neutral Higgs bosons (hA,HA); and ii)…

High Energy Physics - Phenomenology · Physics 2012-04-10 David Lopez-Val , Joan Sola

A measurement is presented of differential cross sections for the Higgs boson (H) production in pp collisions at sqrt(s) = 8 TeV. The analysis exploits the H to gamma gamma decay in data corresponding to an integrated luminosity of 19.7…

High Energy Physics - Experiment · Physics 2016-01-18 CMS Collaboration

We present a study of heavy quarkonium production in hard diffractive process by the Pomeron exchange for Tevatron and LHC energies. The numerical results are computed using recent experimental determination of the diffractive parton…

High Energy Physics - Phenomenology · Physics 2008-11-26 M. V. T. Machado

We discuss photon-photon fusion mechanisms of dilepton production in proton-proton collisions with rapidity gap in the main detector and one forward proton in the forward proton detectors. This is relevant for the LHC measurements by…

High Energy Physics - Phenomenology · Physics 2021-07-29 Antoni Szczurek , Barbara Linek , Marta Luszczak

A critical comparison is made between recent predictions of the cross sections for diffractive Higgs production at the Tevatron and the LHC. We show that the huge spread of the predictions arises either because different diffractive…

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

We calculate differential cross sections for Higgs boson and/or two-photon production from intermediate (virtual) Higgs boson within the formalism of $k_t$-factorization. The off-shell $g^* g^* \to H$ matrix elements are used. We compare…

High Energy Physics - Phenomenology · Physics 2014-11-26 Antoni Szczurek , Marta Luszczak , Rafal Maciula
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