Compact Muon Solenoid
LHC, CERN
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| CMS-PAS-EXO-12-038 | ||
| Search for long-lived neutral particles decaying to dijets | ||
| CMS Collaboration | ||
| 2013 | ||
| Abstract: A search is performed for long-lived massive neutral particles decaying to quark-antiquark pairs. The experimental signature is a distinctive topology of a pair of jets originating at a secondary vertex. Events were collected by the CMS detector at the LHC during pp collisions at $\sqrt{s}=$ 8 TeV, and selected from data samples corresponding to 18.6 fb$^{-1}$ of integrated luminosity. No significant excessis observed above standard model expectations and an upper limit is set with 95$\%$ confidence level on the production cross section of a heavy scalar particle, $\text{H}^0$, in the mass range 200 to 1000 GeV, decaying into a pair of long-lived neutral $\text{X}^0$ particles in the mass range 50 to 350 GeV, which each decay to quark-antiquark pairs. For $\text{X}^0$ mean proper lifetimes of 0.1 to 200 cm the upper limits are typically 0.3$- fb. | ||
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Links:
CDS record (PDF) ;
inSPIRE record ;
Public twiki page ;
CADI line (restricted) ;
These preliminary results are superseded in this paper, PRD 91 (2015) 012007. The superseded preliminary plots can be found here. |
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Compact Muon Solenoid LHC, CERN |
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