2017/06/30 by Daniel Dercks, Herbi Dreiner, Manuel E. Krauss +2
Computer Science · Physics and Astronomy · #Computational Physics and Python Applications #Large Hadron Collider #Lightest Supersymmetric Particle #Minimal Supersymmetric Standard Model #Neutrino Physics Research #Particle physics theoretical and experimental studies #Phenomenology (philosophy) #Renormalization group #Superpartner #Supersymmetry #Unification #hep-ex #hep-ph
paper · pdf · doi:10.1140/epjc/s10052-017-5414-4
published as Eur. Phys. J. C (2017) 77:856 · 43 pages, 13 tables, 17 figures; updated Figs. 11-17 and Tab. 12 including NLO corrections; version accepted for publication in EPJC
openalex created_date 2017/07/14 · arxiv created 2017/11/26 · openalex publication_date 2017/12/01 · arxiv updated 2017/12/14 · openalex updated_date 2026/08/05
We investigate the phenomenology of the MSSM extended by a single R-parity-violating coupling at the unification scale. For all R-parity-violating couplings, we discuss the evolution of the particle spectra through the renormalization group equations and the nature of the lightest supersymmetric particle (LSP) within the CMSSM, as an example of a specific complete supersymmetric model. We use the nature of the LSP to classify the possible signatures. For each possible scenario we present in detail the current LHC bounds on the supersymmetric particle masses, typically obtained using simplified models. From this we determine the present coverage of R-parity-violating models at the LHC. We find several gaps, in particular for a stau-LSP, which is easily obtained in R-parity-violating models. Using the program CheckMATE we recast existing LHC searches to set limits on the parameters of all R-parity-violating CMSSMs. We find that virtually all of them are either more strongly constrained or similarly constrained in comparison to the R-parity-conserving CMSSM, including the UDD models. For each R-parity-violating CMSSM we then give the explicit lower mass bounds on all relevant supersymmetric particles.