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Setting Limits on Supersymmetry Using Simplified Models
Published on: November 15, 2013
Search for universal extra dimensions in pp collisions
V M Abazov1, B Abbott, B S Acharya
1Joint Institute for Nuclear Research, Dubna, Russia.
Physical Review Letters
|May 1, 2012
Summary
This study searched for Kaluza-Klein (KK) particles using D0 detector data. The analysis established a lower limit on the compactification scale, R(-1)>260 GeV, within minimal universal extra dimensions models.
Area of Science:
- High Energy Physics
- Particle Physics
- Beyond Standard Model Physics
Background:
- Theoretical models like Universal Extra Dimensions (UED) predict new particles called Kaluza-Klein (KK) states.
- These models propose the existence of extra spatial dimensions that can influence particle behavior.
Purpose of the Study:
- To search for evidence of Kaluza-Klein (KK) particles.
- To set limits on the parameters of Universal Extra Dimensions (UED) models.
Main Methods:
- Analysis of proton-antiproton collision data collected by the D0 detector.
- Utilizing a data set with an integrated luminosity of 7.3 fb(-1) at a center-of-mass energy of 1.96 TeV.
- Targeting a final state signature of two muons with the same electric charge, indicative of KK particle decays.
Main Results:
- No significant excess of events consistent with KK particle production was observed.
- A lower limit was placed on the compactification scale of R(-1)>260 GeV for a minimal UED model.
Conclusions:
- The search places constraints on the parameter space of UED models.
- The results contribute to the ongoing quest for physics beyond the Standard Model.
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