Repository logo
 
Publication

Signal to background interference in pp -> tH( -)-> tW( - )b(b)over-bar at the LHC Run II

2018-04-27Journal article Open access
Simple item page
dc.contributor.authorArhrib, Abdesslam
dc.contributor.authorBenbrik, Rachid
dc.contributor.authorMoretti, Stefano
dc.contributor.authorSantos, Rui
dc.contributor.authorSharma, Pankaj
dc.date.accessioned2018-12-03T12:24:46Z
dc.date.available2018-12-03T12:24:46Z
dc.date.issued2018-04-27
dc.description.abstractWe investigate in the Large Hadron Collider (LHC) environment the possibility that sizeable interference effects between a heavy charged Higgs boson signal produced via bg -> tH(-) (+c.c.) scattering and decaying via H--> W(-)A -> W- b(b)over-bar (+c.c.) and the irreducible background given by bg -> tW(-) b(b)over-bar topologies could spoil current search approaches where the former and latter channels are treated separately. The rationale for this comes from the fact that a heavy charged Higgs state can have a large width, which can also happen for the CP-odd neutral Higgs state emerging in the ensuing decays, which in turn enables such interferences. We conclude that effects are very significant, both at the inclusive and exclusive level (i.e., both before and after H-+/- selection cuts arc enforced, respectively) and typically of a destructive nature. This, therefore, implies that currently established LHC reaches for heavy charged Higgs bosons require some level of resealing. However, this is possible a posteriori, as the aforementioned H-+/- selection cuts shape the interference contributions at the differential level in a way similar to that of the isolated H-+/- signal, so there is no need to reassess the efficiency of the individual cuts. We show such effects quantitatively by borrowing benchmark points from different Yukawa types of a 2-Higgs doublet model parameter space for H-+/- values starting from around 200 GeV.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationARHRIB, Abdesslam; [et al] – Signal to background interference in pp -> tH( -)-> tW( - )b(b)over-bar at the LHC Run II. Physical Review D. ISSN 2470-0010. Vol. 97, N.º 7 (2018), pp. 075037-1- 075037-17pt_PT
dc.identifier.doi10.1103/PhysRevD.97.075037pt_PT
dc.identifier.issn2470-0010
dc.identifier.issn2470-0029
dc.identifier.urihttp://hdl.handle.net/10400.21/9122
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherAmerican Physical Societypt_PT
dc.relation2017VMB0021 - Chinese Academy of Sciences (CAS) President's International Fellowship Initiative (PIFI) programpt_PT
dc.relationNon Minimal Higgs
dc.relationCE110001004 - Australian Research Council through the ARC Center of Excellence for Particle Physics (CoEPP) at the Terascalept_PT
dc.relationUMO2015/18/M/ST2/00518 - National Science Centre, Poland, the HARMONIA projectpt_PT
dc.relation.publisherversionhttps://journals.aps.org/prd/pdf/10.1103/PhysRevD.97.075037pt_PT
dc.subjectHeavy charged Higgs statept_PT
dc.subjectNeutral Higgs statept_PT
dc.titleSignal to background interference in pp -> tH( -)-> tW( - )b(b)over-bar at the LHC Run IIpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleNon Minimal Higgs
oaire.awardURIinfo:eu-repo/grantAgreement/EC/H2020/645722/EU
oaire.citation.endPage075037-17pt_PT
oaire.citation.issue7pt_PT
oaire.citation.startPage075037-1pt_PT
oaire.citation.titlePhysical Review Dpt_PT
oaire.citation.volume97pt_PT
oaire.fundingStreamH2020
person.familyNameBenbrik
person.familyNameSantos
person.givenNameRachid
person.givenNameRui
person.identifier100360
person.identifier.ciencia-id5A1A-5794-6DC2
person.identifier.orcid0000-0002-5159-0325
person.identifier.orcid0000-0002-7948-0355
person.identifier.ridF-1956-2010
person.identifier.scopus-author-id10739338800
project.funder.identifierhttp://doi.org/10.13039/501100008530
project.funder.nameEuropean Commission
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublication6e6b047b-6622-4247-b403-a4ab4b77e397
relation.isAuthorOfPublicationf972a9bd-1bdd-4a47-8d1e-94e9595eddc0
relation.isAuthorOfPublication.latestForDiscovery6e6b047b-6622-4247-b403-a4ab4b77e397
relation.isProjectOfPublicationf74af6eb-972c-4bd9-a15b-1ca001eab863
relation.isProjectOfPublication.latestForDiscoveryf74af6eb-972c-4bd9-a15b-1ca001eab863

Files

Original bundle
Now showing 1 - 1 of 1
No Thumbnail Available
Name:
Signal_RSantos_ADF.pdf
Size:
2.88 MB
Format:
Adobe Portable Document Format
Download
License bundle
Now showing 1 - 1 of 1
No Thumbnail Available
Name:
license.txt
Size:
1.71 KB
Format:
Item-specific license agreed upon to submission
Description:
Download

Collections

ISEL - Física - Artigos