Testing the Higgs boson gluonic couplings at LHC
| dc.creator | Gounaris, G. J. | |
| dc.creator | Layssac, J. | |
| dc.creator | Renard, F. M. | |
| dc.date | 1998-03-23 | |
| dc.date | 1998-06-30 | |
| dc.date.accessioned | 2026-07-07T12:03:24Z | |
| dc.date.available | 2026-07-07T12:03:24Z | |
| dc.description | We study Higgs + jet production at hadron colliders in order to look for new physics residual effects possibly described by the $dim=6$ operators $Ø_{GG}$ and ${\widetildeØ}_{GG}$ which induce anomalous $Hgg$ and $Hggg$ couplings. Two ways for constraining these operators at LHC may be ~useful. The first is based on the total Higgs boson production rate induced by gluon-gluon fusion, in which the main cause of limitations are due to theoretical uncertainties leading to sensitivities of $|d_G|\simeq 3.\times 10^{-4}$ and $|\widetilde{d}_G|\simeq 1.4\times 10^{-3}$ for the corresponding anomalous couplings, in the mass range $100 GeV \lsim \mh \lsim 2~00 GeV$. These results imply sensitivity to new physics scales of 51 and 24 TeV respectively. The second way investigated here concerns the shape of the Higgs transverse momentum; for which the theoretical uncertainties are less severe and the limitations are mainly induced by statistics. A simple analysis, based on the ratio of the number of events at large and low $p_T$ at LHC, leads to similar sensitivities, if only the $H\to γγ$ decay mode is used. But the sensitivities can now be improved by a factor 2 to 10, depending on the Higgs mass, if the Higgs decay modes to $WW^*$, $ZZ^*$, $WW$, $ZZ$ are also used. | |
| dc.description | 23 pages and 7 figures, version to appear in Phys.ReV.D. e-mail: renard@lpm.univ-montp2.fr | |
| dc.identifier | https://arxiv.org/abs/hep-ph/9803422 | |
| dc.identifier | http://arxiv.org/abs/hep-ph/9803422 | |
| dc.identifier | Phys.Rev.D58:075006,1998 | |
| dc.identifier | doi:10.1103/PhysRevD.58.075006 | |
| dc.identifier.uri | http://salesiana.dossiersoluciones.com/handle/123456789/207770 | |
| dc.subject | High Energy Physics - Phenomenology | |
| dc.title | Testing the Higgs boson gluonic couplings at LHC | |
| dc.type | text |