Results 41 to 50 of about 12,893 (217)

Dark matter blind spots at one-loop

open access: yesJournal of High Energy Physics, 2019
We evaluate the impact of one-loop electroweak corrections to the spin-independent dark matter (DM) scattering cross-section with nucleons (σ SI), in models with a so-called blind spot for direct detection, where the leading-order prediction for the ...
Tao Han   +3 more
doaj   +1 more source

Implementation of supersymmetric processes in the HERWIG event generator

open access: yes, 2002
We describe the implementation of supersymmetric processes in the HERWIG Monte Carlo event generator. We define relevant parameter and mixing conventions and list the hard scattering matrix elements.
Odagiri, K.   +13 more
core   +1 more source

Search for direct third-generation squark pair production in final states with missing transverse momentum and two b-jets in s√=8 TeV pp collisions with the ATLAS detector [PDF]

open access: yes, 2013
The results of a search for pair production of supersymmetric partners of the Standard Model third-generation quarks are reported. This search uses 20.1 fb−1 of pp collisions at s√=8 TeV collected by the ATLAS experiment at the Large Hadron Collider. The
The ATLAS collaboration   +1 more
core   +3 more sources

Indirect probe of electroweak-interacting particles with mono-lepton signatures at hadron colliders

open access: yesJournal of High Energy Physics, 2019
Electroweak-interacting massive particles (EWIMPs) exist in a broad class of new physics models beyond the Standard Model. Searching for such particles is one of most primary goal at the LHC and future colliders.
Shigeki Matsumoto   +2 more
doaj   +1 more source

Constrained Next-to-Minimal Supersymmetric Standard Model [PDF]

open access: yesPhysical Review Letters, 2008
We consider the fully constrained version of the next-to-minimal supersymmetric extension of the standard model (cNMSSM) in which a singlet Higgs superfield is added to the two doublets that are present in the minimal extension (MSSM). Assuming universal boundary conditions at a high scale for the soft supersymmetry-breaking gaugino, sfermion and Higgs
Djouadi, A.   +2 more
openaire   +3 more sources

Effective Higgs potential in Next-to-Minimal Supersymmetric Standard Model

open access: yesVestnik Samarskogo Gosudarstvennogo Tehničeskogo Universiteta. Seriâ: Fiziko-Matematičeskie Nauki, 2013
Higgs sector of the Next-to-Minimal Sypersymmetric Model with CP violation in superpotential and in in the soft supersymmetry breaking sector is considered.
Tatiana V Volkova   +3 more
doaj   +3 more sources

Spontaneous CP violation and horizontal symmetry in the MSSM: toward lepton flavor naturalness

open access: yesJournal of High Energy Physics, 2021
We study the contributions of supersymmetric models with a U(1) horizontal symmetry and only spontaneous CP breaking to various lepton flavor observables, such as μ → eγ and the electron electric dipole moment. We show that both a horizontal symmetry and
Daniel Aloni   +4 more
doaj   +1 more source

Search for the neutral Higgs bosons of the minimal supersymmetric standard model in pp collisions at √s=7 TeV with the ATLAS detector [PDF]

open access: yes, 2013
A search for neutral Higgs bosons of the Minimal Supersymmetric Standard Model (MSSM) is reported. The analysis is based on a sample of proton-proton collisions at a centre-of-mass energy of 7 TeV recorded with the ATLAS detector at the Large Hadron ...
Jones, G. (Graham)   +2 more
core   +3 more sources

Detectable dimension-6 proton decay in SUSY SO(10) GUT at Hyper-Kamiokande

open access: yesJournal of High Energy Physics, 2019
In the minimal SUSY SU(5) GUT with O(1) TeV SUSY particles and O(1) or below self-coupling for the GUT-breaking Higgs field, the width of the dimension-6 proton decay is suppressed below the reach of Hyper-Kamiokande.
Naoyuki Haba   +2 more
doaj   +1 more source

Long-lived biνo at the LHC

open access: yesJournal of High Energy Physics, 2021
We examine the detection prospects for a long-lived biνo, a pseudo-Dirac bino which is responsible for neutrino masses, at the LHC and at dedicated long-lived particle detectors.
Julia Gehrlein, Seyda Ipek
doaj   +1 more source

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