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19912026
most citedPlanck 2015 results. XIII. Cosmological parameters

10.6k citations

Showing 2004 · hep-exShow all

19 papers · 2 filters

hep-ex2004★ 12 cited

A Search for Anomalous Heavy-Flavor Quark Production in Association with W Bosons

D0 Collaboration, V. M. Abazov

We present a search for anomalous production of heavy-flavor quark jets in association with a W boson at the Fermilab Tevatron ppbar Collider. This search is conducted through an e…

hep-ex2004★ 24 cited

A Measurement of the Ratio of Inclusive Cross Sections pp->Z+b-jet/pp->Z+jet at sqrt(s) = 1.96-TeV

D0 Collaboration, V. M. Abazov

Using the data collected with the DZero detector at sqrt(s)=1.96-TeV, for integrated luminosities of about 180 pb^{-1}, we have measured the ratio of inclusive cross sections for p…

hep-ex2004★ 32 cited

Measurement of the WW production cross section in p anti-p collisions at s**(1/2) = 1.96 TeV

D0 Collaboration, V. M. Abazov

We present a measurement of the W boson pair-production cross section in p anti-p collisions at a center-of-mass energy of sqrt{s}=1.96 TeV. The data, collected with the Run II DO…

hep-ex2004★ 26 cited

A search for W bb and W Higgs production in ppbar collisions at sqrt(s)=1.96 TeV

D0 Collaboration, V. M. Abazov

We present a search for W b \bar{b} production in p \bar{p} collisions at sqrt{s}=1.96 TeV in events containing one electron, an imbalance in transverse momentum, and two b-tagged…

hep-ex2004★ 21 cited

Measurement of the Lambda^0_b lifetime in the decay Lambda^0_b -> J/psi Lambda^0 with the D0 Detector

D0 Collaboration, V. M. Abazov

We present measurements of the Lambda^0_b lifetime in the exclusive decay channel Lambda^0_{b}->J/psi Lambda^0, with J/psi to mu+ mu- and Lambda^0 to p pi-, the B^0 lifetime in the…

hep-ex2004★ 68 cited

A Search for the Flavor-Changing Neutral Current Decay B0_s -> mu^+mu^- in pp(bar) Collisions at \sqrt{s} = 1.96 TeV with the D0 Detector

D0 Collaboration, V. M. Abazov

We present the results of a search for the flavor-changing neutral current decay B0_s -> mu+ mu- using a data set with integrated luminosity of 240 pb^{-1} of pp(bar) collisions at…

hep-ex2004★ 94 cited

Measurement of Dijet Azimuthal Decorrelations at Central Rapidities in pp-bar Collisions at sqrt(s)=1.96 TeV

D0 Collaboration, V. M. Abazov

Correlations in the azimuthal angle between the two largest transverse momentum jets have been measured using the D0 detector in pp-bar collisions at a center-of-mass energy sqrt(s…

hep-ex2004★ 18 cited

Measurement of the B^0_s lifetime in the exclusive decay channel B^0_s -> J/psi phi

D0 Collaboration, V. M. Abazov

Using the exclusive decay B^0_s -> J/psi (mu+mu-) phi(K+K-), we report the most precise single measurement of the B^0_s lifetime. The data sample corresponds to an integrated lumin…

hep-ex2004★ 29 cited

Search for Supersymmetry with Gauge-Mediated Breaking in Diphoton Events at D0

D0 Collaboration, V. M. Abazov

We report the results of a search for supersymmetry (SUSY) with gauge-mediated breaking in the missing transverse energy distribution of inclusive diphoton events using 263 pb$^{-1…

hep-ex2004★ 49 cited

Exclusive meson electroproduction from hydrogen at CLAS

C. Hadjidakis

The longitudinal and transverse components of the cross section for the reaction were measured in Hall B at Jefferson Laboratory using the CLAS detector. Th…

hep-ex2004★ 293 cited

A Precision Measurement of the Mass of the Top Quark

D0 Collaboration

The Standard Model of particle physics contains about two dozen parameters - such as particle masses - whose origins are still unknown and cannot be predicted, but whose values are…

hep-ex2004★ 24 cited

Proton source size measurements in the eA->e'ppX reaction

CLAS Collaboration, A. V. Stavinsky, K. R. Mikhailov +2

Two-proton correlations at small relative momentum q were studied in the eA(3He, 4He, C, Fe)-> e'ppX reaction at E_0 = 4.46 GeV using the CLAS detector at Jefferson Lab. The enhanc…

hep-ex2004★ 87 cited

Exotic Meson Decay to

M. Lu

A partial-wave analysis of the mesons from the reaction has been performed. The data show decay of the spin-exotic states $π_{1}(16…

hep-ex2004★ 549 cited

Observation and Properties of the X(3872) Decaying to J/psi pi+ pi- in p-p(bar) Collisions at sqrt(s) = 1.96 TeV

D0 Collaboration, V. M. Abazov

We report the observation of the X(3872) in the J/psi pi+pi- channel, with J/psi decaying to mu+mu- in p-p(bar) collisions at sqrt(s) = 1.96 TeV. Using approximately 230 pb^-1 of d…

hep-ex2004★ 61 cited

Helicity of the W Boson in Lepton+Jets ttbar Events

D0 Collaboration

We examine properties of ttbar candidates events in lepton+jets final states to establish the helicities of the W bosons in t->W+b decays. Our analysis is based on a direct calcula…

hep-ex2004★ 12 cited

Search for Pair Production of Light Scalar Top Quarks in p-pbar Collisions at sqrt{s}=1.8 TeV

Carl Lundstedt, Dan Claes

Using 85.2 +/- 3.6 pb^-1 of p-pbar collisions collected at sqrt(s)=1.8 TeV with the D0 detector at Fermilab's Tevatron Collider, we present the results of a search for direct pair…

hep-ex2004★ 60 cited

Double Helicity Asymmetry in Inclusive Mid-Rapidity neutral pion Production for Polarized p+p Collisions at sqrt(s)=200 GeV

the PHENIX Collaboration, S. Adler

We present a measurement of the double longitudinal spin asymmetry in inclusive pi^0 production in polarized proton-proton collisions at sqrt(s)=200 GeV. The data were taken at the…

hep-ex2004★ 68 cited

Search for Doubly-charged Higgs Boson Pair Production in the Decay to mu+mu+mu-mu- in p pbar Collisions at s**1/2=1.96 TeV

D0 Collaboration, V. M. Abazov

A search for pair production of doubly-charged Higgs bosons in the process p pbar to H++H-- to mu+mu+mu-mu- is performed with the D0 Run II detector at the Fermilab Tevatron. The a…

hep-ex2004★ 111 cited

Exotic Meson Production in the System observed in the Reaction at 18 GeV/c

J. Kuhn

This letter reports results from the partial wave analysis of the final state in collisions at 18GeV/c. Strong evidence is observed for production of tw…