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Search for heavy metastable particles decaying to jet pairs in p(p)over-bar collisions at root s=1.96 TeV

Aaltonen T.
•
Alvarez Gonzalez B.
•
Amerio S.
altro
SCURI, Fabrizio
2012
  • journal article

Periodico
PHYSICAL REVIEW D, PARTICLES, FIELDS, GRAVITATION, AND COSMOLOGY
Abstract
A search is performed for heavy metastable particles that decay into jet pairs with a macroscopic lifetime (c tau similar to 1 cm) in p (p) over bar collisions at root s = 1.96 TeV using data from the CDF II detector at Fermilab corresponding to an integrated luminosity of 3.2 fb(-1). To estimate the standard model background, a data-driven approach is used. Probability-density functions are constructed to model secondary vertices from known processes. No statistically significant excess is observed above the background. Limits on the production cross section in a hidden valley benchmark phenomenology are set for various Higgs boson masses as well as metastable particle masses and lifetimes.
DOI
10.1103/PhysRevD.85.012007
WOS
WOS:000299925100001
Archivio
http://hdl.handle.net/11390/879648
info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-84863011958
Diritti
metadata only access
Scopus© citazioni
23
Data di acquisizione
Jun 7, 2022
Vedi dettagli
Web of Science© citazioni
11
Data di acquisizione
Feb 28, 2024
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