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Search for Resonant Pair Production of Neutral Long-Lived Particles Decaying to bb in pp Collisions at sq root(s)=1.96 TeV

Abazov, V. M. ; Alexeev, G. D. ; Kharzheev, Y. N. ; Malyshev, V. L. ; Tokmenin, V. V. ; Vertogradov, L. S. ; Yatsunenko, Y. A. ; Abbott, B. ; Gutierrez, P. ; Hossain, S. ; Jain, S. ; Rominsky, M. ; Severini, H. ; Skubic, P. ; Strauss, M. ; Abolins, M. ; Benitez, J. A. ; Brock, R. ; Edmunds, D. ; Hall, I.

Physical review letters, 2009-08, Vol.103 (7) [Periódico revisado por pares]

United States

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Título:
Search for Resonant Pair Production of Neutral Long-Lived Particles Decaying to bb in pp Collisions at sq root(s)=1.96 TeV
Autor: Abazov, V. M. ; Alexeev, G. D. ; Kharzheev, Y. N. ; Malyshev, V. L. ; Tokmenin, V. V. ; Vertogradov, L. S. ; Yatsunenko, Y. A. ; Abbott, B. ; Gutierrez, P. ; Hossain, S. ; Jain, S. ; Rominsky, M. ; Severini, H. ; Skubic, P. ; Strauss, M. ; Abolins, M. ; Benitez, J. A. ; Brock, R. ; Edmunds, D. ; Hall, I.
Assuntos: ACCELERATORS ; BARYON-BARYON INTERACTIONS ; BOSONS ; CYCLIC ACCELERATORS ; DECAY ; ELEMENTARY PARTICLES ; ENERGY RANGE ; FERMILAB TEVATRON ; HADRON-HADRON INTERACTIONS ; HIGGS BOSONS ; INTERACTIONS ; LIFETIME ; MASS ; NUCLEON-NUCLEON INTERACTIONS ; PAIR PRODUCTION ; PARTICLE DECAY ; PARTICLE INTERACTIONS ; PARTICLE PRODUCTION ; PHYSICS OF ELEMENTARY PARTICLES AND FIELDS ; POSTULATED PARTICLES ; PROTON-NUCLEON INTERACTIONS ; PROTON-PROTON INTERACTIONS ; SYNCHROTRONS ; TEV RANGE ; TEV RANGE 01-10
É parte de: Physical review letters, 2009-08, Vol.103 (7)
Descrição: We report on a first search for resonant pair production of neutral long-lived particles (NLLP) which each decay to a bb pair, using 3.6 fb{sup -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.
Editor: United States
Idioma: Inglês

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Search for Resonant Pair Production of Neutral Long-Lived Particles Decaying to bb in pp Collisions at sq root(s)=1.96 TeV

United States

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