Markov chain Monte Carlo analysis to probe trilinear <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>R</mml:mi></mml:math>-parity violating SUSY scenarios and possible LHC signatures

In this article, we probe the trilinear <a:math xmlns:a="http://www.w3.org/1998/Math/MathML" display="inline"><a:mi>R</a:mi></a:math>-parity violating (RPV) supersymmetric (SUSY) scenarios with specific nonzero interactions in the light of neutrino oscillation, Higgs, and flavor observables. We attempt to fit the set of observables using a state-of-the-art Markov Chain Monte Carlo (MCMC) setup and study its impact on the model parameter space. Our main objective is to constrain the trilinear couplings individually, along with some other SUSY parameters relevant to the observables. We present the constrained parameter regions in the form of marginalized posterior distributions on different two-dimensional parameter planes. We perform our analyses with two different scenarios characterized by our choices for the lightest SUSY particle (LSP), bino, and stop. Our results indicate that the lepton number violating trilinear couplings <c:math xmlns:c="http://www.w3.org/1998/Math/MathML" display="inline"><c:msub><c:mi>λ</c:mi><c:mrow><c:mi>i</c:mi><c:mn>33</c:mn></c:mrow></c:msub></c:math> (<e:math xmlns:e="http://www.w3.org/1998/Math/MathML" display="inline"><e:mi>i</e:mi><e:mo>=</e:mo><e:mn>1</e:mn></e:math>, 2) and <g:math xmlns:g="http://www.w3.org/1998/Math/MathML" display="inline"><g:msubsup><g:mi>λ</g:mi><g:mrow><g:mi>j</g:mi><g:mn>33</g:mn></g:mrow><g:mo>′</g:mo></g:msubsup></g:math> (<i:math xmlns:i="http://www.w3.org/1998/Math/MathML" display="inline"><i:mi>j</i:mi><i:mo>=</i:mo><i:mn>1</i:mn></i:math>, 2, 3) can be at most of the order of <k:math xmlns:k="http://www.w3.org/1998/Math/MathML" display="inline"><k:msup><k:mn>10</k:mn><k:mrow><k:mo>−</k:mo><k:mn>4</k:mn></k:mrow></k:msup></k:math> or even smaller while <m:math xmlns:m="http://www.w3.org/1998/Math/MathML" display="inline"><m:mi>tan</m:mi><m:mi>β</m:mi></m:math> is restricted to below 15 even when <o:math xmlns:o="http://www.w3.org/1998/Math/MathML" display="inline"><o:mn>3</o:mn><o:mi>σ</o:mi></o:math> allowed regions are considered. We further comment on the possible LHC signatures of these LSPs focusing on and around the best-fit regions.