Flavour violating up-squark decays at LHC
- Author(s)
- Helmut Eberl, Alfred Bartl, Björn Herrmann, Keisho Hidaka, Walter Majerotto, Werner Porod
- Abstract
We study the effect of squark generation mixing on squark production and decays at the LHC in the Minimal Supersymmetric Standard Model (MSSM). We show that the effect can be very large despite the very strong constraints on quark flavour violation (QFV) from experimental data on B mesons. We find that the two lightest up-type squarks (u) over tilde (1,2) can have large branching ratios for the decays into c (chi) over tilde (0)(1) and t (chi) over tilde (0)(1) at the same time, leading to QFV signals 'pp -> c (t) over bar (t (c) over bar) + missing-E(T) + X' with a significant rate. The observation of this remarkable signature would provide a powerful test of supersymmetric QFV at LHC. This could have a significant impact on the search for squarks and the determination of the underlying MSSM parameters.
- Organisation(s)
- Particle Physics
- External organisation(s)
- Österreichische Akademie der Wissenschaften (ÖAW), Deutsches Elektronen-Synchrotron DESY, Tokyo Gakugei University (TGU), Julius-Maximilians-Universität Würzburg
- Journal
- Fortschritte der Physik
- Volume
- 59
- Pages
- 1075-1078
- No. of pages
- 4
- ISSN
- 0015-8208
- DOI
- https://doi.org/10.1002/prop.201100061
- Publication date
- 2011
- Peer reviewed
- Yes
- Austrian Fields of Science 2012
- 103012 High energy physics, 103034 Particle physics
- Portal url
- https://ucris.univie.ac.at/portal/en/publications/flavour-violating-upsquark-decays-at-lhc(27035e67-5a62-4495-995a-1561e550db2d).html