Scattering of Goldstone bosons and resonance production in a composite Higgs model on the lattice
dc.contributor.author | Drach, V | |
dc.contributor.author | Janowski, T | |
dc.contributor.author | Pica, C | |
dc.contributor.author | Prelovsek, S | |
dc.date.accessioned | 2021-04-16T07:58:26Z | |
dc.date.available | 2021-04-16T07:58:26Z | |
dc.date.issued | 2021-04 | |
dc.identifier.issn | 1029-8479 | |
dc.identifier.issn | 1029-8479 | |
dc.identifier.other | 117 | |
dc.identifier.uri | http://hdl.handle.net/10026.1/17048 | |
dc.description | 16 pages, 8 figures - v2: minor changes, version accepted for publication | |
dc.description.abstract |
<jats:title>A<jats:sc>bstract</jats:sc> </jats:title><jats:p>We calculate the coupling between a vector resonance and two Goldstone bosons in SU(2) gauge theory with <jats:italic>N</jats:italic><jats:sub><jats:italic>f</jats:italic></jats:sub> = 2 Dirac fermions in the fundamental representation. The considered theory can be used to construct a minimal Composite Higgs models. The coupling is related to the width of the vector resonance and we determine it by simulating the scattering of two Goldstone bosons where the resonance is produced. The resulting coupling is <jats:italic>g</jats:italic><jats:sub>VPP</jats:sub> = 7<jats:italic>.</jats:italic>8 <jats:italic>±</jats:italic> 0<jats:italic>.</jats:italic>6, not far from <jats:italic>g</jats:italic><jats:sub><jats:italic>ρππ</jats:italic></jats:sub> ≃ 6 in QCD. This is the first lattice calculation of the resonance properties for a minimal UV completion. This coupling controls the production cross section of the lightest expected resonance at the LHC and enters into other tests of the Standard Model, from Vector Boson Fusion to electroweak precision tests. Our prediction is crucial to constrain the model using lattice input and for understanding the behavior of the vector meson production cross section as a function of the underlying gauge theory. We also extract the coupling <jats:inline-formula><jats:alternatives><jats:tex-math>$$ {g}_{\mathrm{VPP}}^{\mathrm{KSRF}} $$</jats:tex-math><mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:msubsup> <mml:mi>g</mml:mi> <mml:mi>VPP</mml:mi> <mml:mtext>KSRF</mml:mtext> </mml:msubsup> </mml:math></jats:alternatives></jats:inline-formula> = 9<jats:italic>.</jats:italic>4 <jats:italic>±</jats:italic> 0<jats:italic>.</jats:italic>6 assuming the vector-dominance and find that this phenomenological estimate slightly overestimates the value of the coupling.</jats:p> | |
dc.format.extent | 117- | |
dc.language | en | |
dc.language.iso | en | |
dc.publisher | Springer Science and Business Media LLC | |
dc.subject | Lattice field theory simulation | |
dc.subject | Phenomenological Models | |
dc.title | Scattering of Goldstone bosons and resonance production in a composite Higgs model on the lattice | |
dc.type | journal-article | |
dc.type | Journal Article | |
plymouth.author-url | https://www.webofscience.com/api/gateway?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000640258900004&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=11bb513d99f797142bcfeffcc58ea008 | |
plymouth.issue | 4 | |
plymouth.volume | 2021 | |
plymouth.publisher-url | http://dx.doi.org/10.1007/JHEP04(2021)117 | |
plymouth.publication-status | Published online | |
plymouth.journal | Journal of High Energy Physics | |
dc.identifier.doi | 10.1007/jhep04(2021)117 | |
plymouth.organisational-group | /Plymouth | |
plymouth.organisational-group | /Plymouth/Faculty of Science and Engineering | |
plymouth.organisational-group | /Plymouth/Faculty of Science and Engineering/School of Engineering, Computing and Mathematics | |
plymouth.organisational-group | /Plymouth/REF 2021 Researchers by UoA | |
plymouth.organisational-group | /Plymouth/REF 2021 Researchers by UoA/EXTENDED UoA 10 - Mathematical Sciences | |
plymouth.organisational-group | /Plymouth/REF 2021 Researchers by UoA/UoA10 Mathematical Sciences | |
plymouth.organisational-group | /Plymouth/Users by role | |
plymouth.organisational-group | /Plymouth/Users by role/Academics | |
dcterms.dateAccepted | 2021-03-09 | |
dc.rights.embargodate | 2021-4-22 | |
dc.identifier.eissn | 1029-8479 | |
dc.rights.embargoperiod | Not known | |
rioxxterms.versionofrecord | 10.1007/jhep04(2021)117 | |
rioxxterms.licenseref.uri | http://www.rioxx.net/licenses/all-rights-reserved | |
rioxxterms.licenseref.startdate | 2021-04 | |
rioxxterms.type | Journal Article/Review | |
plymouth.funder | Signatures of strongly interacting dynamics::Science and Technology Facilities Council [2006-2012] |