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Beyond the Standard Model [PDF]

open access: green, 1996
Elementary introduction to physics beyond the Standard Model.
Gian F. Giudice
openalex   +5 more sources

CP violation beyond the standard model* [PDF]

open access: green, 2002
In this talk a number of broad issues are raised about the origins of CP violation and how to test the ideas.Comment: 17 pages, LaTeX, 6 postscript figures. Uses iopart10.clo, iopart12.clo and iopart.cls.
Gordon Kane, D. Doyle
openalex   +5 more sources

Constraining new physics with SModelS version 2

open access: yesJournal of High Energy Physics, 2022
We present version 2 of SModelS, a program package for the fast reinterpretation of LHC searches for new physics on the basis of simplified model results.
Gaël Alguero   +8 more
doaj   +1 more source

A long-lived stop with freeze-in and freeze-out dark matter in the hidden sector

open access: yesJournal of High Energy Physics, 2020
In extended supersymmetric models with a hidden sector the lightest R-parity odd particle can reside in the hidden sector and act as dark matter. We consider the case when the hidden sector has ultraweak interactions with the visible sector.
Amin Aboubrahim, Wan-Zhe Feng, Pran Nath
doaj   +1 more source

Searching for the Higgsino-Bino sector at the LHC

open access: yesJournal of High Energy Physics, 2020
We study the search for electroweakinos at the 13 TeV LHC in the case of heavy scalar superpartners. We consider both the direct production mode and the one associated with the decay of heavy Higgs bosons, and concentrate on the case of light Higgsinos ...
Jia Liu   +3 more
doaj   +1 more source

Hunting wino and higgsino dark matter at the muon collider with disappearing tracks

open access: yesJournal of High Energy Physics, 2021
We study the capabilities of a muon collider experiment to detect disappearing tracks originating when a heavy and electrically charged long-lived particle decays via X + → Y + Z 0, where X + and Z 0 are two almost mass degenerate new states and Y + is a
Rodolfo Capdevilla   +3 more
doaj   +1 more source

Lepton flavor violating decays τ → Pl in the U(1) X SSM model

open access: yesJournal of High Energy Physics, 2022
U(1) X SSM is the extension of the minimal supersymmetric standard model (MSSM) and its local gauge group is SU(3) C × SU(2) L × U(1) Y × U(1) X . To obtain this model, three singlet new Higgs superfields and right-handed neutrinos are added to MSSM.
Tong-Tong Wang   +6 more
doaj   +1 more source

New physics explanations of a μ in light of the FNAL muon g − 2 measurement

open access: yesJournal of High Energy Physics, 2021
The Fermilab Muon g −2 experiment recently reported its first measurement of the anomalous magnetic moment a μ FNAL $$ {a}_{\mu}^{\mathrm{FNAL}} $$ , which is in full agreement with the previous BNL measurement and pushes the world average deviation ∆ a ...
Peter Athron   +5 more
doaj   +1 more source

Annihilation signatures of neutron dark decay models in neutron oscillation and proton decay searches

open access: yesJournal of High Energy Physics, 2019
We point out that two models that reconcile the neutron lifetime anomaly via dark decays of the neutron, also predict dark matter-neutron ( χ ¯ $$ \overline{\chi} $$ − n) annihilation that may be observable in neutron-antineutron oscillation and proton ...
Wai-Yee Keung   +2 more
doaj   +1 more source

Closing the window for compressed dark sectors with disappearing charged tracks

open access: yesJournal of High Energy Physics, 2017
We investigate the sensitivity at current and future hadron colliders to a heavy electrically-charged particle with a proper decay length below a centimetre, whose decay products are invisible due to below-threshold energies and/or small couplings to the
Rakhi Mahbubani   +2 more
doaj   +1 more source

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