English
Related papers

Related papers: Pair Production of Color-Octet Scalars at the LHC

200 papers

A search for the resonant production of high mass photon pairs associated with a leptonic or hadronic system has been performed using a data sample of 57.7 pb-1 collected at an average center-of-mass energy of 182.6 GeV with the OPAL…

High Energy Physics - Experiment · Physics 2008-11-26 The OPAL Collaboration , K. Ackerstaff et al

We analyze the Large Hadron Collider sensitivity to new pseudoscalar resonances decaying into diphoton with masses up to scales of few TeVs. We focus on minimal scenarios where the production mechanisms involve either photon or top-mediated…

High Energy Physics - Phenomenology · Physics 2016-08-15 Emiliano Molinaro , Francesco Sannino , Natascia Vignaroli

Several models predict the existence of heavy colored resonances decaying to top quarks in the TeV energy range that might be discovered at the LHC. In some of those models, moreover, a sizable charge asymmetry of top versus antitop quarks…

High Energy Physics - Phenomenology · Physics 2009-02-23 Paola Ferrario , German Rodrigo

A search for doubly charged scalar bosons decaying into $W$ boson pairs is presented. It uses a data sample from proton-proton collisions corresponding to an integrated luminosity of 36.1 fb$^{-1}$ collected by the ATLAS detector at the LHC…

High Energy Physics - Experiment · Physics 2019-03-08 ATLAS Collaboration

We study the pair production of doubly charged Higgs bosons at the Large Hadron Collider (LHC), assuming the doubly charged Higgs to be part of an SU(2)_L triplet which generates Majorana masses for left-handed neutrinos. Such…

High Energy Physics - Phenomenology · Physics 2008-11-26 Tao Han , Biswarup Mukhopadhyaya , Zongguo Si , Kai Wang

This paper describes the search for a high-mass narrow-width scalar particle decaying into a Z boson and a photon. The analysis is performed using proton-proton collision data recorded with the CMS detector at the LHC at center-of-mass…

High Energy Physics - Experiment · Physics 2017-01-24 CMS Collaboration

In view of the searches at the LHC for scalar particle resonances in addition to the 125 GeV Higgs boson, we present the cross section for a CP-even scalar produced via gluon fusion at N3LO in perturbative QCD assuming that it couples…

Scalar color octets are generic signals for new physics at LHC energies. We examine their pair production at the LHC to next-to-leading order QCD. This computation serves as another test of the fully automized MadGolem framework. We find…

High Energy Physics - Phenomenology · Physics 2014-05-30 Dorival Goncalves , David Lopez-Val , Kentarou Mawatari , Tilman Plehn , Ioan Wigmore

A search for beyond the standard model spin-0 bosons, $\phi$, that decay into pairs of electrons, muons, or tau leptons is presented. The search targets the associated production of such bosons with a W or Z gauge boson, or a top…

High Energy Physics - Experiment · Physics 2024-07-29 CMS Collaboration

For very large values of $\tan\beta$, charged Higgs boson pair production at the Large Hadron Collider (LHC) from the scattering of two bottom quarks can proceed dominantly. We investigated the cross sections of charged Higgs boson pair…

High Energy Physics - Phenomenology · Physics 2009-11-11 Hou Hong-Sheng , Ma Wen-Gan , Zhang Ren-You , Jiang Yi , Han Liang , Xing Li-Rong

We consider the implications of an extended color group, $SU\left( 3\right) _I\times SU\left( 3\right) _{II}$, spontaneously broken to $SU\left( 3\right) _c$ at a TeV or lower scale, for the hadronic colliders. The associated massive color…

High Energy Physics - Phenomenology · Physics 2009-10-28 D. A. Dicus , B. Dutta , S. Nandi

We consider the contribution of new strongly interacting sector, with a characteristic scale of half a TeV, to top quark production at the Tevatron. The color-octet, isosinglet analog of the $\rho$ meson in this theory is produced copiously…

High Energy Physics - Phenomenology · Physics 2007-05-23 M. V. Ramana

We consider the contribution of new strongly interacting sector, with a characteristic scale of half a TeV, to top quark production at the Tevatron. The color-octet, isosinglet analog of the $\rho$ meson in this theory is produced copiously…

High Energy Physics - Phenomenology · Physics 2008-12-25 B. Holdom , M. V. Ramana

In this article we probe resonant associated production of a Standard Model Higgs boson with new heavy scalar resonant in proton-proton collisions at a center-of-mass energy $\sqrt{s} = 13$ TeV. The Higgs boson and new scalar resonant are…

High Energy Physics - Experiment · Physics 2023-05-10 Petr Mandrik

Elements of the phenomenology of color-octet scalars (sgluons), as predicted in the hybrid N=1/N=2 supersymmetric model, are discussed in the light of forthcoming experiments at the CERN Large Hadron Collider.

High Energy Physics - Phenomenology · Physics 2009-10-02 S. Y. Choi , M. Drees , J. Kalinowski , J. M. Kim , E. Popenda , P. M. Zerwas

Motivated by the recent di-photon excess by both ATLAS and CMS collaborations at the LHC, we systematically investigate the production and di-photon decay of onia formed by pair of all possible color exotic scalars in minimal extension.…

High Energy Physics - Phenomenology · Physics 2016-03-31 Ming-xing Luo , Kai Wang , Tao Xu , Liangliang Zhang , Guohuai Zhu

The next-to-leading order analysis for the cross section for hadroproduction of top quark pairs close to threshold is presented. Within the framework of non-relativistic QCD a significant enhancement compared to fixed order perturbation…

High Energy Physics - Phenomenology · Physics 2009-03-30 Y. Kiyo , J. H. Kühn , S. Moch , M. Steinhauser , P. Uwer

We study the production of charged scalar boson pairs via photon-induced $H^{-}H^{+}$ in $pp$ collisions at the forthcoming High Luminosity Large Hadron Collider (HL-LHC). The predictions are based on the Two-Higgs Doublet Model type-III,…

High Energy Physics - Phenomenology · Physics 2025-03-07 M. A. Arroyo-Ureña , O. Félix-Beltrán , J. Hernández-Sánchez , C. G. Honorato , T. A. Valencia-Pérez

The next-to-leading order analysis of the cross section of hadronic gluino pair production close to threshold is presented. Within the framework of non-relativistic QCD a significant enhancement compared to fixed order perturbation theory…

High Energy Physics - Phenomenology · Physics 2011-12-26 Matthias R. Kauth , Johann H. Kuhn , Peter Marquard , Matthias Steinhauser

The proposed future Large Hadron Electron Collider provides sufficient center of mass energies, $\sqrt{s}$, to probe heavy particles decaying into $W^\pm(Z)-$boson of mass $>2m_W$ $(2m_Z)$. In this work we present a study to produce one…

High Energy Physics - Phenomenology · Physics 2023-02-16 Elias Malwa , Mukesh Kumar , Xifeng Ruan , Bruce Mellado