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dc.contributor.authorBagnaschi, E
dc.contributor.authorSakurai, K
dc.contributor.authorBorsato, M
dc.contributor.authorBuchmueller, O
dc.contributor.authorCitron, M
dc.contributor.authorCosta, JC
dc.contributor.authorDe Roeck, A
dc.contributor.authorDolan, MJ
dc.contributor.authorEllis, JR
dc.contributor.authorFlacher, H
dc.contributor.authorHeinemeyer, S
dc.contributor.authorLucio, M
dc.contributor.authorMartinez Santos, D
dc.contributor.authorOlive, KA
dc.contributor.authorRichards, A
dc.contributor.authorSpanos, VC
dc.contributor.authorSuarez Fernandez, I
dc.contributor.authorWeiglein, G
dc.date.accessioned2020-12-10T00:32:26Z
dc.date.available2020-12-10T00:32:26Z
dc.date.issued2018-03-24
dc.identifierpii: 5697
dc.identifier.citationBagnaschi, E., Sakurai, K., Borsato, M., Buchmueller, O., Citron, M., Costa, J. C., De Roeck, A., Dolan, M. J., Ellis, J. R., Flacher, H., Heinemeyer, S., Lucio, M., Martinez Santos, D., Olive, K. A., Richards, A., Spanos, V. C., Suarez Fernandez, I. & Weiglein, G. (2018). Likelihood analysis of the pMSSM11 in light of LHC 13-TeV data. EUROPEAN PHYSICAL JOURNAL C, 78 (3), https://doi.org/10.1140/epjc/s10052-018-5697-0.
dc.identifier.issn1434-6044
dc.identifier.urihttp://hdl.handle.net/11343/253510
dc.description.abstractWe use MasterCode to perform a frequentist analysis of the constraints on a phenomenological MSSM model with 11 parameters, the pMSSM11, including constraints from ∼ 36 /fb of LHC data at 13 TeV and PICO, XENON1T and PandaX-II searches for dark matter scattering, as well as previous accelerator and astrophysical measurements, presenting fits both with and without the ( g - 2 ) μ constraint. The pMSSM11 is specified by the following parameters: 3 gaugino masses M 1 , 2 , 3 , a common mass for the first-and second-generation squarks m q ~ and a distinct third-generation squark mass m q ~ 3 , a common mass for the first-and second-generation sleptons m ℓ ~ and a distinct third-generation slepton mass m τ ~ , a common trilinear mixing parameter A, the Higgs mixing parameter μ , the pseudoscalar Higgs mass M A and tan β . In the fit including ( g - 2 ) μ , a Bino-like χ ~ 1 0 is preferred, whereas a Higgsino-like χ ~ 1 0 is mildly favoured when the ( g - 2 ) μ constraint is dropped. We identify the mechanisms that operate in different regions of the pMSSM11 parameter space to bring the relic density of the lightest neutralino, χ ~ 1 0 , into the range indicated by cosmological data. In the fit including ( g - 2 ) μ , coannihilations with χ ~ 2 0 and the Wino-like χ ~ 1 ± or with nearly-degenerate first- and second-generation sleptons are active, whereas coannihilations with the χ ~ 2 0 and the Higgsino-like χ ~ 1 ± or with first- and second-generation squarks may be important when the ( g - 2 ) μ constraint is dropped. In the two cases, we present χ 2 functions in two-dimensional mass planes as well as their one-dimensional profile projections and best-fit spectra. Prospects remain for discovering strongly-interacting sparticles at the LHC, in both the scenarios with and without the ( g - 2 ) μ constraint, as well as for discovering electroweakly-interacting sparticles at a future linear e + e - collider such as the ILC or CLIC.
dc.languageEnglish
dc.publisherSPRINGER
dc.rights.urihttps://creativecommons.org/licenses/by/4.0
dc.titleLikelihood analysis of the pMSSM11 in light of LHC 13-TeV data
dc.typeJournal Article
dc.identifier.doi10.1140/epjc/s10052-018-5697-0
melbourne.affiliation.departmentSchool of Physics
melbourne.source.titleEuropean Physical Journal C: Particles and Fields
melbourne.source.volume78
melbourne.source.issue3
dc.rights.licenseCC BY
melbourne.elementsid1320394
melbourne.contributor.authorDolan, Matthew
dc.identifier.eissn1434-6052
melbourne.accessrightsOpen Access


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