Number of the records: 1

Search for long-lived particles decaying into electron or photon pairs with the D0 detector

SYSNO ASEP	0316243
Document Type	J - Journal Article
R&D Document Type	Journal Article
Subsidiary J	Článek ve WOS
Title	Search for long-lived particles decaying into electron or photon pairs with the D0 detector
Title	Hledání dlouhožijících částic rozpadajících se na pár elektronů nebo fotonů pomocí D0 detektoru
Author(s)	Abazov, V. M. (RU) Abbott, B. (US) Abolins, M. (US) Kupčo, Alexander (FZU-D)_{RID, ORCID} Lokajíček, Miloš (FZU-D)_{RID, ORCID}
Source Title	Physical Review Letters. - : American Physical Society - ISSN 0031-9007 Roč. 101, č. 11 (2008), 111802/1-111802/6
Number of pages	6 s.
Language	eng - English
Country	US - United States
Keywords	D0 ; supersymmetry ; quark
Subject RIV	BF - Elementary Particles and High Energy Physics
R&D Projects	LC527 GA MŠMT - Ministry of Education, Youth and Sports (MEYS)
	LA08047 GA MŠMT - Ministry of Education, Youth and Sports (MEYS)
	1P05LA257 GA MŠMT - Ministry of Education, Youth and Sports (MEYS)
CEZ	AV0Z10100502 - FZU-D (2005-2011)
UT WOS	000259188700008
DOI	10.1103/PhysRevLett.101.111802
Annotation	In this Letter we report on a search for long-lived particles that decay into final states with two electrons or photons. Such long-lived particles arise in a variety of theoretical models, like hidden valleys and supersymmetry with gauge-mediated breaking. By precisely reconstructing the direction of the electromagnetic shower we are able to probe much longer lifetimes than previously explored. We see no evidence of the existence of such long-lived particles and interpret this search as a quasi model-independent limit on their production cross section, as well as a limit on a long-lived fourth generation quark.
Workplace	Institute of Physics
Contact	Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579
Year of Publishing	2009

Number of the records: 1