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Search for Resonant Pair Production of Neutral Long-Lived Particles Decaying to b(b)over-bar in p(p)over-bar Collisions at root s=1.96 TeV
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2009 (English)In: Physical Review Letters, ISSN 0031-9007, Vol. 103, no 7, 071801- p.Article in journal (Refereed) Published
Abstract [en]

We report on a first search for resonant pair production of neutral long-lived particles (NLLP) which each decay to a b (b) over bar pair, using 3.6 fb(-1) of data recorded with the D0 detector at the Fermilab Tevatron collider. We search for pairs of displaced vertices in the tracking detector at radii in the range 1.6-20 cm from the beam axis. No significant excess is observed above background, and upper limits are set on the production rate in a hidden-valley benchmark model for a range of Higgs boson masses and NLLP masses and lifetimes.

Place, publisher, year, edition, pages
2009. Vol. 103, no 7, 071801- p.
National Category
Physical Sciences
URN: urn:nbn:se:uu:diva-128295DOI: 10.1103/PhysRevLett.103.071801ISI: 000269063300013OAI: oai:DiVA.org:uu-128295DiVA: diva2:331130
Available from: 2010-07-21 Created: 2010-07-20 Last updated: 2011-01-03Bibliographically approved

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Department of Physics and Materials ScienceDepartment of Physics and Astronomy
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