Results 51 to 60 of about 494 (159)

Going beyond Top EFT

Journal of High Energy Physics
We present a new way to interpret Top Standard Model measurements going beyond the SMEFT framework. Instead of the usual paradigm in Top EFT, where the main effects come from tails in momenta distributions, we propose an interpretation in terms of new ...
André Lessa, Verónica Sanz
doaj   +1 more source

Pseudo-Nambu-Goldstone-boson dark matter from three complex scalars

Journal of High Energy Physics
This study explores a dark matter model in which a pseudo-Nambu-Goldstone boson arises as a viable dark matter candidate from the spontaneous and soft breaking of global U(1) symmetries and stabilized by a residual ℤ 3 discrete symmetry.
Riasat Sheikh, Takashi Toma, Koji Tsumura   +2 more
doaj   +1 more source

New channel to search for dark matter at Belle II

Journal of High Energy Physics
We propose a new “disappearing positron track” channel at Belle II to search for dark matter, in which a positron that is produced at the primary interaction vertex scatters with the electromagnetic calorimeter to produce dark matter particles.
Jinhan Liang, Zuowei Liu, Lan Yang
doaj   +1 more source

Collider constraints on dipole-interacting dark matter

Physical Review D, 2012
Dark matter which interacts through a magnetic or electric dipole moment is an interesting possibility which may help to resolve the discrepancy between the DAMA annual modulation signal and the null results of other searches. In this article we examine relic density and collider constraints on such dark matter, and find that for couplings needed to ...
Fortin, Jean-François, Tait, Tim M. P.
openaire   +3 more sources

Production of dark photons through higher electromagnetic moments at LDMX: simulations and model discrimination

Journal of High Energy Physics
We extend the projected sensitivity of LDMX for sub-GeV dark matter (DM) to the case of dark photons produced through higher order electromagnetic moments. These moments arise from loop diagrams involving portal matter fields, along with the gauge fields
Riccardo Catena, Taylor R. Gray, Thomas Jerkvall   +2 more
doaj   +1 more source

Fake Dark Matter at Colliders

, 2009
11 pages, 3 figures, revtex; references ...
Chang, Spencer, de Gouvea, Andre
openaire   +2 more sources

Complex dark photon dark matter EFT

Journal of High Energy Physics
We construct an effective field theory for complex Stueckelberg dark photon dark matter. Such an effective construction can be realized by writing down a complete set of operators up to dimension six built with the complex dark photon and Standard Model ...
Enrico Bertuzzo, Tommaso Sassi, Andrea Tesi   +2 more
doaj   +1 more source

SUSY dark matter — a collider physicist’s perspective [PDF]

Pramana, 2004
A short tour of supersymmetric dark matter and its connection to collider physics.
openaire   +2 more sources

Dark sector glueballs at the LHC

Journal of High Energy Physics
We study confining dark sectors where the lightest hadrons are glueballs. Such models can provide viable dark matter candidates and appear in some neutral naturalness scenarios.
Austin Batz, Timothy Cohen, David Curtin, Caleb Gemmell, Graham D. Kribs   +4 more
doaj   +1 more source

Probing exotic long-lived particles from the prompt side using the CONTUR method

Journal of High Energy Physics
A method to derive constraints on new physics models featuring exotic long-lived particles using detector-corrected measurements of prompt states is presented.
L. Corpe, A. Goudelis, S. Jeannot, S. Jeon   +3 more
doaj   +1 more source