Search for the Production of Scalar Bottom Quarks in ppbar collisions at sqrt(s) = 1.96 TeV

Abstract

We report on a search for direct scalar bottom quark (sbottom) pair production in $p\bar{p}$ collisions at $\sqrt{s}=1.96$~TeV, in events with large missing transverse energy and two jets of hadrons in the final state, where at least one of the jets is required to be identified as originating from a $b$ quark. The study uses a CDF Run~II data sample corresponding to 2.65~fb${}^{-1}$ of integrated luminosity. The data are in agreement with the standard model. In an R-parity conserving minimal supersymmetric scenario, and assuming that the sbottom decays exclusively into a bottom quark and a neutralino, 95$\%$ confidence-level upper limits on the sbottom pair production cross section of 0.1~pb are obtained. For neutralino masses below 70~GeV/$c^2$, sbottom masses up to 230~GeV/$c^2$ are excluded at 95$\%$ confidence level.

7 pages, 2 figures Submitted to PRL on 16th May

References in corpus (2)

• Search for pair production of scalar bottom quarks in ppbar collisions at sqrt(s)=1.96 TeV
• Search for Gluino-Mediated Sbottom Production in p-pbar Collisions at sqrt(s)=1.96 TeV

Cited by in corpus (19)

• Search for direct third-generation squark pair production in final states with missing transverse momentum and two b-jets in sqrt{s}=8 TeV pp collisions with the ATLAS detector
• Search for pair-produced third-generation squarks decaying via charm quarks or in compressed supersymmetric scenarios in $pp$ collisions at $\sqrt{s}=8$TeV with the ATLAS detector
• Search for scalar bottom pair production with the ATLAS detector in pp collisions at sqrt(s) = 7 TeV
• Search for supersymmetry in pp collisions at sqrt{s} = 7TeV in final states with missing transverse momentum and b-jets
• Search for supersymmetry in pp collisions at sqrt(s) = 7 TeV in final states with missing transverse momentum and b-jets with the ATLAS detector
• Search for top and bottom squarks from gluino pair production in final states with missing transverse energy and at least three b-jets with the ATLAS detector
• Search for $W^{\prime }\to tb\to qqbb$ Decays in pp Collisions at $\sqrt{s}$ = 8 TeV with the ATLAS Detector
• Closing in on mass-degenerate dark matter scenarios with antiprotons and direct detection
• Model-Independent Bounds on Squarks from Monophoton Searches
• Search for third-generation leptoquarks and scalar bottom quarks in pp collisions at sqrt(s) = 7 TeV
• Natural supersymmetric spectrum in mirage mediation
• Reach the Bottom Line of the Sbottom Search
• Search for direct pair production of supersymmetric top quarks decaying to all-hadronic final states in pp collisions at sqrt(s) = 8 TeV
• A measurement of the ratio of inclusive cross sections $\sigma (p\bar{p}\to Z+b\mathrm{jet})/\sigma (p\bar{p}\to Z+\mathrm{jet})$ at $\sqrt{s}=1.96$ TeV
• Measurement of the ratio of differential cross sections σ(ppbar -> Z + b jet)/σ(ppbar -> Z + jet) in ppbar collisions at sqrt(s)=1.96 TeV
• Neutralino-Sbottom Coannihilation in SU(5)
• B's with Direct Decays: Tevatron and LHC Discovery Prospects in the b\bar{b}+MET Channel
• Measurement of the ratio of inclusive cross sections $\sigma (p\bar{p}\to Z+2b\text{jets})/\sigma (p\bar{p}\to Z+\text{2 jets})$ in $p\bar{p}$ collisions at $\sqrt{s}=1.96$ TeV
• Kinetically-Enhanced Anomaly Mediation