78 documents found, page 1 of 8
CMS physics technical design report: Addendum on high density QCD with heavy ions
d'Enterria, D.; Ballintijn, M.; Bedjidian, M.; Hofman, D.; Kodolova, O.; Loizides, C.; Lokthin, I. P.; Lourenço, C.; Mironov, C.; Petrushanko, S. V.Made available in DSpace on 2022-04-28T20:22:10Z (GMT). No. of bitstreams: 0 Previous issue date: 2007-11-01; This report presents the capabilities of the CMS experiment to explore the rich heavy-ion physics programme offered by the CERN Large Hadron Collider (LHC). The collisions of lead nuclei at energies , will probe quark and gluon matter at unprecedented values of energy density. The prime goal of this res...
ZZ→l+l-νν̄ production in pp̄ collisions at s=1.96TeV
Abazov, V. M.; Abbott, B.; Abolins, M.; Acharya, B. S.; Adams, M.; Adams, T.; Aguilo, E.; Ahsan, M.; Alexeev, G. D.; Alkhazov, G.; Alton, A.Made available in DSpace on 2022-04-28T20:44:17Z (GMT). No. of bitstreams: 0 Previous issue date: 2008-10-06; Science and Technology Facilities Council; We describe a search for Z boson pair production in pp̄ collisions at s=1.96TeV with the D0 detector at the Fermilab Tevatron Collider using a data sample corresponding to an integrated luminosity of 2.7fb-1. Using the final state decay ZZ→ℓ+ℓ-νν̄ (where ℓ=e or...
Observation of ZZ production in pp̄ collisions at s=1.96TeV
Abazov, V. M.; Abbott, B.; Abolins, M.; Acharya, B. S.; Adams, M.; Adams, T.; Aguilo, E.; Ahsan, M.; Alexeev, G. D.; Alkhazov, G.; Alton, A.Made available in DSpace on 2022-04-28T20:44:41Z (GMT). No. of bitstreams: 0 Previous issue date: 2008-10-23; Science and Technology Facilities Council; We present an observation for ZZ→l+l-l′+l′- (l, l′=e or μ) production in pp̄ collisions at a center-of-mass energy of s=1.96TeV. Using 1.7fb-1 of data collected by the D0 experiment at the Fermilab Tevatron Collider, we observe three candidate events with an ex...
Observation of the doubly strange b baryon Ωb-
Abazov, V. M.; Abbott, B.; Abolins, M.; Acharya, B. S.; Adams, M.; Adams, T.; Aguilo, E.; Ahsan, M.; Alexeev, G. D.; Alkhazov, G.; Alton, A.Made available in DSpace on 2022-04-28T20:47:03Z (GMT). No. of bitstreams: 0 Previous issue date: 2008-12-05; Science and Technology Facilities Council; We report the observation of the doubly strange b baryon Ωb- in the decay channel Ωb-→J/ψΩ-, with J/ψ→μ+μ- and Ω-→ΛK-→(pπ-)K-, in pp̄ collisions at s=1.96TeV. Using approximately 1.3fb-1 of data collected with the D0 detector at the Fermilab Tevatron Collider, ...
Search for the standard model Higgs boson in the missing energy and acoplanar b...
Abazov, V. M.; Abbott, B.; Abolins, M.; Acharya, B. S.; Adams, M.; Adams, T.; Aguilo, E.; Ahsan, M.; Alexeev, G. D.; Alkhazov, G.; Alton, A.Made available in DSpace on 2022-04-28T20:47:50Z (GMT). No. of bitstreams: 0 Previous issue date: 2008-12-15; Science and Technology Facilities Council; We report a search for the standard model Higgs boson in the missing energy and acoplanar b-jet topology, using an integrated luminosity of 0.93fb-1 recorded by the D0 detector at the Fermilab Tevatron pp̄ Collider. The analysis includes signal contributions fr...
Search for associated W and Higgs Boson production in pp̄ collisions at s=1.96TeV
Abazov, V. M.; Abbott, B.; Abolins, M.; Acharya, B. S.; Adams, M.; Adams, T.; Aguilo, E.; Ahsan, M.; Alexeev, G. D.; Alkhazov, G.; Alton, A.Made available in DSpace on 2022-04-28T20:48:54Z (GMT). No. of bitstreams: 0 Previous issue date: 2009-02-02; Science and Technology Facilities Council; We present results of a search for WH→ℓνbb̄ production in pp̄ collisions based on the analysis of 1.05fb-1 of data collected by the D0 experiment at the Fermilab Tevatron, using a neural network for separating the signal from backgrounds. No signal-like excess ...
Search for large extra spatial dimensions in the dielectron and diphoton channe...
Abazov, V. M.; Abbott, B.; Abolins, M.; Acharya, B. S.; Adams, M.; Adams, T.; Aguilo, E.; Ahsan, M.; Alexeev, G. D.; Alkhazov, G.; Alton, A.Made available in DSpace on 2022-04-28T20:49:18Z (GMT). No. of bitstreams: 0 Previous issue date: 2009-02-02; Science and Technology Facilities Council; We report on a search for large extra spatial dimensions in the dielectron and diphoton channels using a data sample of 1.05fb-1 of pp̄ collisions at a center-of-mass energy of 1.96 TeV collected by the D0 detector at the Fermilab Tevatron Collider. The invaria...
Search for neutral higgs bosons at high tan β in the b(h/H/A)→bτ+τ- Channel
Abazov, V. M.; Abbott, B.; Abolins, M.; Acharya, B. S.; Adams, M.; Adams, T.; Aguilo, E.; Ahsan, M.; Alexeev, G. D.; Alkhazov, G.; Alton, A.Made available in DSpace on 2022-04-28T20:49:39Z (GMT). No. of bitstreams: 0 Previous issue date: 2009-02-02; Science and Technology Facilities Council; The first search in pp̄ collisions at s=1.96TeV for the production of neutral Higgs bosons in association with bottom quarks and decaying in two tau leptons is presented. The cross section for this process is enhanced in many extensions of the standard model, s...
Evidence for the decay Bs0→Ds(*)Ds(*) and a measurement of ΔΓsCP/Γs
Abazov, V. M.; Abbott, B.; Abolins, M.; Acharya, B. S.; Adams, M.; Adams, T.; Aguilo, E.; Ahsan, M.; Alexeev, G. D.; Alkhazov, G.; Alton, A.Made available in DSpace on 2022-04-28T20:50:25Z (GMT). No. of bitstreams: 0 Previous issue date: 2009-03-02; Science and Technology Facilities Council; We search for the semi-inclusive process Bs0→Ds(*)Ds(*) using 2.8fb-1 of pp̄ collisions at s=1.96TeV recorded by the D0 detector operating at the Fermilab Tevatron Collider. We observe 26.6±8.4 signal events with a significance above background of 3.2 standard ...
Search for anomalous top-quark couplings with the D0 detector
Abazov, V. M.; Abbott, B.; Abolins, M.; Acharya, B. S.; Adams, M.; Adams, T.; Aguilo, E.; Ahsan, M.; Alexeev, G. D.; Alkhazov, G.; Alton, A.Made available in DSpace on 2022-04-28T20:50:47Z (GMT). No. of bitstreams: 0 Previous issue date: 2009-03-02; Science and Technology Facilities Council; Anomalous Wtb couplings modify the angular correlations of the top-quark decay products and change the single top-quark production cross section. We present limits on anomalous top-quark couplings by combining information from W boson helicity measurements in t...