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Massive leptophobic Z' bosons decaying to a pair of charginos are searched for in proton-proton collisions at $\sqrt{s}$ = 13 TeV, using data samples collected by the CMS experiment in 2016, 2017, and 2018, corresponding to a total…

High Energy Physics - Experiment · Physics 2026-03-12 CMS Collaboration

The measurement of the inclusive cross section for Wgamma production is presented based on 36/ pb of data acquired with the CMS detector from 7 TeV LHC collisions in 2010. Comparisons are made with the predictions of the standard model. The…

High Energy Physics - Experiment · Physics 2019-08-13 D. Majumder

The combined results of the search for the Standard Model Higgs boson from the four LEP experiments are given. These results are based on the full data sample collected by ALEPH, DELPHI, L3 and OPAL at centre-of-mass energies up to 209GeV,…

High Energy Physics - Experiment · Physics 2007-05-23 F. Cerutti

An anomaly-free $U(1)'$ effective Lagrangian as the most common new physics beyond the standard model is proposed to survey the maximal parameter space constrained by electroweak precise measurements at the LEP and direct detection in…

High Energy Physics - Phenomenology · Physics 2015-06-17 Ying Zhang , Qing Wang

We study the signals for a "fermiophobic" charged Higgs boson present in an extension of the standard model with an additional Higgs doublet and right handed neutrinos, responsible for generating Dirac-type neutrino masses. We study the…

High Energy Physics - Phenomenology · Physics 2014-04-02 Ushoshi Maitra , Biswarup Mukhopadhyaya , S. Nandi , Santosh Kumar Rai , Ambresh Shivaji

We analyze and compute, within a number of standard model (SM) extensions, the cross sections $\sigma_{A\to VV'}$ for the production of a heavy neutral pseudoscalar Higgs boson/spin-zero resonance at the LHC and its subsequent decays into…

High Energy Physics - Phenomenology · Physics 2011-03-28 Werner Bernreuther , Patrick Gonzalez , Martin Wiebusch

This Letter presents a search for the Standard Model Higgs boson in the decay channel H->ZZ(*)->l+l-l'+l'-, where l,l'=e or mu, using proton-proton collisions at sqrt(s) = 7 TeV recorded with the ATLAS detector and corresponding to an…

High Energy Physics - Experiment · Physics 2012-08-27 ATLAS Collaboration

This paper summarises the search for the Standard Model Higgs boson in e+e- collisions at centre-of-mass energies up to 209 GeV performed by the OPAL Collaboration at LEP. The consistency of the data with the background hypothesis and…

High Energy Physics - Experiment · Physics 2008-11-26 The OPAL collaboration , G. Abbiendi

We present a general description of the problems encountered when attempting to build a simple model of leptogenesis and hence of baryogenesis at an energy scale as low as 1-10 TeV. We consider three possible lepton asymmetry enhancement…

High Energy Physics - Phenomenology · Physics 2008-11-26 Thomas Hambye

A search has been performed on 683 pb$^{-1}$ of data collected by the ALEPH detector at the Large Electron-Positron (LEP), collider at centre-of-mass energies from 183 to 209 $\mathrm{GeV}$ looking for a Higgs boson decaying into four…

High Energy Physics - Experiment · Physics 2010-06-15 James Beacham

It was recently proposed to extend the Standard Model by means of new spin-1 chiral $Z^*$ and $W^{*\pm}$ bosons with the internal quantum numbers of the electroweak Higgs doublets. These bosons have unique signatures in transverse momentum,…

High Energy Physics - Phenomenology · Physics 2011-10-26 M. V. Chizhov , V. A. Bednyakov , I. R. Boyko , J. A. Budagov , M. A. Demichev , I. V. Yeletskikh

We present a detailed study of the central exclusive production of the Standard Model Higgs Boson in the WW decay channel at the LHC. We include estimates of the experimental acceptance, including that of the proposed proton tagging…

High Energy Physics - Phenomenology · Physics 2009-01-07 B. E. Cox , A. De Roeck , V. A. Khoze , T. Pierzchala , M. G. Ryskin , I. Nasteva , W. J. Stirling , M. Tasevsky

In this paper we compare $H^+H^-$ and $W^+W^-$ into four-fermion production at centre-of-mass energies typical of LEP2 and somewhat larger. The theoretical framework considered is the Minimal Supersymmetric Standard Model. The interest in…

High Energy Physics - Phenomenology · Physics 2008-11-26 S. Moretti , K. Odagiri

We predict an unconventional background free signal of the Higgs boson in $R$-parity violating nonminimal supersymmetric models at the Large Hadron Collider (LHC). The signal comprises dilepton plus four hadronic jets and two large…

High Energy Physics - Phenomenology · Physics 2011-12-30 Priyotosh Bandyopadhyay , Pradipta Ghosh , Sourov Roy

Search for light (within the mass range 84-200 GeV) doubly-charged Higgs bosons decaying into a pair of W-bosons has been deemed challenging using the conventional LHC searches with leptons, jets and missing transverse momentum in the final…

High Energy Physics - Phenomenology · Physics 2026-03-23 Saiyad Ashanujjaman , Kirtiman Ghosh , Rameswar Sahu

A search for the standard model Higgs boson in the H to ZZ to 2l 2nu decay channel, where l = e or mu, in pp collisions at a center-of-mass energy of 7 TeV is presented. The data were collected at the LHC, with the CMS detector, and…

High Energy Physics - Experiment · Physics 2012-08-27 The CMS Collaboration

A next-to-leading log calculation of the reactions $pp$ and $p\overline{p}\rightarrow W^\pm\gamma X$ is presented including a tri-boson gauge coupling from non-Standard Model contributions. Two approaches are made for comparison. The first…

High Energy Physics - Phenomenology · Physics 2009-10-28 Kevin R. Barger , M. H. Reno

A search is presented for decays beyond the standard model of the 125 GeV Higgs bosons to a pair of light bosons, based on models with extended scalar sectors. Light boson masses between 5 and 62.5 GeV are probed in final states containing…

High Energy Physics - Experiment · Physics 2017-10-24 CMS Collaboration

We re-examine the discovery potential at hadron colliders of high-mass right-handed (RH) gauge bosons $W_R$ - an inherent ingredient of Left-Right Symmetric Models (LRSM). We focus on the regime where the $W_R$ is very heavy compared to the…

High Energy Physics - Phenomenology · Physics 2017-03-16 Manimala Mitra , Richard Ruiz , Darren J. Scott , Michael Spannowsky

We present the first study of the production of a Standard Model Higgs boson at a lepton collider in association with a pair of W bosons, $e^+_{} e^-_{} \to W^+_{} W^-_{} H$, in the inverse seesaw model. Taking into account all relevant…

High Energy Physics - Phenomenology · Physics 2018-10-05 Julien Baglio , Silvia Pascoli , Cedric Weiland