Search for Long-Lived Massive Charged Particles in 1.96 TeV $\bar{p}p$ Collisions

Aaltonen, T.; Adelman, Jahred A.; Akimoto, T.; Alvarez Gonzalez, B.; Amerio, S.; Amidei, Dante E.; Anastassov, A.; Annovi, Alberto; Antos, Jaroslav; Apollinari, G.

doi:10.1103/PhysRevLett.103.021802

Search for Long-Lived Massive Charged Particles in 1.96 TeV $\bar{p}p$ Collisions

CDF

Collaboration

Feb, 2009

16 pages

Published in:

Phys.Rev.Lett. 103 (2009) 021802

e-Print:

0902.1266 [hep-ex]

DOI:

10.1103/PhysRevLett.103.021802

PDG: Heavy Particle Production Cross Section

Report number:

FERMILAB-PUB-09-036-E

Experiments:

FNAL-E-0830

View in:

pdf

reference search101 citations

Citations per year

Abstract: (arXiv)

We performed a signature-based search for long-lived charged massive particles (CHAMPs) produced in 1.0

\rm{fb}^{-1}

of

\bar{p}p

collisions at

\sqrt{s}=1.96

TeV, collected with the CDF II detector using a high transverse-momentum (

p_T

) muon trigger. The search used time-of-flight to isolate slowly moving, high-

p_T

particles. One event passed our selection cuts with an expected background of

1.9 \pm 0.2

events. We set an upper bound on the production cross section, and, interpreting this result within the context of a stable scalar top quark model, set a lower limit on the particle mass of 249 GeV/

c^2

at 95% C.L.

Note:

16 pages, 2 figures

13.85.Rm
14.80.Ly
OSG : CDF
anti-p p: interaction
charged particle: massive
muon: trigger
charged particle: lifetime
time-of-flight
CDF
Batavia TEVATRON Coll

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Search for Long-Lived Massive Charged Particles in 1.96 TeV pˉp\bar{p}ppˉ​p Collisions

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Search for Long-Lived Massive Charged Particles in 1.96 TeV $\bar{p}p$ Collisions