Journal
PHYSICAL REVIEW LETTERS
Volume 114, Issue 6, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.114.061801
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Funding
- BMWFW
- FWF (Austria)
- FNRS
- FWO (Belgium)
- CNPq (Brazil)
- CAPES (Brazil)
- FAPERJ (Brazil)
- FAPESP (Brazil)
- MES (Bulgaria)
- CERN
- CAS (China)
- MoST (China)
- NSFC (China)COLCIENCIAS (Colombia)
- STFC [ST/M005356/1, ST/K003542/1, ST/J004901/1, ST/M004775/1, ST/J005665/1, ST/I505580/1, ST/K003844/1, ST/K001604/1, ST/H00081X/2, ST/L00609X/1, ST/K001639/1, ST/L005603/1, ST/J50094X/1, ST/I005912/1] Funding Source: UKRI
- Science and Technology Facilities Council [ST/I005912/1 GRIDPP, ST/I505580/1, ST/K001639/1, ST/K003844/1 GRIDPP, GRIDPP, ST/M004775/1, ST/I005912/1, ST/M005356/1, ST/J50094X/1, ST/K001604/1, ST/K003844/1, ST/K003542/1, ST/L005603/1, ST/J004901/1, ST/L00609X/1 GRIDPP, ST/K001256/1, ST/H00081X/2, ST/J005665/1, ST/L00609X/1, ST/N000250/1, ST/M005356/1 GRIDPP] Funding Source: researchfish
- Division Of Physics
- Direct For Mathematical & Physical Scien [1151640, 1120138, 1306951] Funding Source: National Science Foundation
- Division Of Physics
- Direct For Mathematical & Physical Scien [1314131, 1205960, 1211067] Funding Source: National Science Foundation
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A search for new long-lived particles decaying to leptons is presented using proton-proton collisions produced by the LHC at root s = 8 TeV. Data used for the analysis were collected by the CMS detector and correspond to an integrated luminosity of 19.7 fb(-1). Events are selected with an electron and muon with opposite charges that both have transverse impact parameter values between 0.02 and 2 cm. The search has been designed to be sensitive to a wide range of models with nonprompt e-mu final states. Limits are set on the displaced supersymmetry model, with pair production of top squarks decaying into an e-mu final state via R-parity-violating interactions. The results are the most restrictive to date on this model, with the most stringent limit being obtained for a top squark lifetime corresponding to c tau = 2 cm, excluding masses below 790 GeV at 95% confidence level.
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