Showing 2000 · hep-exShow all

29 papers · 2 filters

hep-ex2000★ 45 cited

A Quasi-Model-Independent Search for New High p_T Physics at DZero

DZero Collaboration

We apply a quasi-model-independent strategy ("Sleuth") to search for new high p_T physics in approximately 100 pb^-1 of ppbar collisions at sqrt(s) = 1.8 TeV collected by the DZero…

hep-ex2000★ 56 cited

A Quasi-Model-Independent Search for New Physics at Large Transverse Momentum

DZero Collaboration

We apply a quasi-model-independent strategy ("Sleuth") to search for new high p_T physics in approximately 100 pb^-1 of ppbar collisions at sqrt(s) = 1.8 TeV collected by the DZero…

hep-ex2000

Inclusive Particle Production at LEP

V. Uvarov

New results on inclusive production of Sigma^- and Lambda(1520) and on proton production in quark and gluon jets are presented. These results are based on 2 million hadronic Z deca…

hep-ex2000★ 2 cited

Prospects for CP-violation searches in the future experiment with RF-separated K+/- beam at U-70

V. F. Obraztsov, L. G. Landsberg

The first description of the experimental program "OKA" with RF-separated K+/- beam at Protvino U-70 PS is presented. The parameters of the beam as well as the potential for CP-vio…

hep-ex2000★ 85 cited

Inclusive Jet Production in pbar p Collisions

D0 Collaboration, B. Abbott

We report a new measurement of the pseudorapidity (eta) and transverse-energy (Et) dependence of the inclusive jet production cross section in pbar b collisions at sqrt(s) = 1.8 Te…

hep-ex2000★ 33 cited

Precision measurements of the Lambda_c+ and D0 lifetimes

The SELEX collaboration, A. Kushnirenko

We report new precision measurements of the lifetimes of the Lambda_c+ and D0 from SELEX, the charm hadro-production experiment at Fermilab. Based upon 1630 Lambda_c+ and 10210 D0…

hep-ex2000★ 31 cited

Differential cross section for W boson production as a function of transverse momentum in proton-antiproton collisions at 1.8 TeV

D0 collaboration, V. M. Abazov

We report a measurement of the differential cross section for W boson production as a function of its transverse momentum in proton-antiproton collisions at sqrt{s} = 1.8 TeV. The…

hep-ex2000★ 10 cited

Measurement of the Angular Distribution of Electrons from W->e nu Decays Observed in ppbar Collisions at sqrt(s)=1.8 TeV

D0 collaboration, B. Abbott

We present the first measurement of the electron angular distribution parameter alpha_2 in W to e nu events produced in proton-antiproton collisions as a function of the W boson tr…

hep-ex2000★ 15 cited

Ratios of Multijet Cross Sections in p-pbar Collisions at sqrt(s)=1.8 TeV

B. Abbott

We report on a study of the ratio of inclusive three-jet to inclusive two-jet production cross sections as a function of total transverse energy in p-pbar collisions at a center-of…

hep-ex2000★ 75 cited

Search for Large Extra Dimensions in Dielectron and Diphoton Production

D0 Collaboration

We report a search for effects of large extra spatial dimensions in ppbar collisions at a center-of-mass energy of 1.8 TeV with the DZero detector, using events containing a pair o…

hep-ex2000★ 72 cited

Cross Section for b Jet Production in pbar-p Collisions at sqrt(s) = 1.8 TeV

D0 collaboration, B. Abbott

Bottom quark production in pbar-p collisions at sqrt(s)=1.8 TeV is studied with 5 inverse picobarns of data collected in 1995 by the DO detector at the Fermilab Tevatron Collider.…

hep-ex2000★ 15 cited

The Ratio of Jet Cross Sections at s**(1/2)=630 GeV and 1800 GeV

D0 Collaboration

The DO Collaboration has measured the inclusive jet cross section in proton-antiproton collisions at s**2 = 630 GeV. The results for pseudorapidities -0.5 to 0.5 are combined with…

hep-ex2000★ 42 cited

Search for Electroweak Production of Single Top Quarks in ppbar Collisions

DZero Collaboration, B. Abbott

We present a search for electroweak production of single top quarks in the electron+jets and muon+jets decay channels. The measurements use ~90 pb^-1 of data from Run 1 of the Ferm…

hep-ex2000★ 29 cited

Studies of the Response of the Prototype CMS Hadron Calorimeter, Including Magnetic Field Effects, to Pion, Electron, and Muon Beams

V. V. Abramov, B. S. Acharya, N. Akchurin +32

We report on the response of a prototype CMS hadron calorimeter module to charged particle beams of pions, muons, and electrons with momenta up to 375 GeV/c. The data were taken at…

hep-ex2000★ 26 cited

A study of the centrally produced eta pi0 and eta pi- systems in pp interactions at 450 GeV/c

The WA102 Collaboration, D. Barberis

A partial wave analysis of the centrally produced eta pi0 and eta pi- channels has been performed in pp collisions using an incident beam momentum of 450 GeV/c. Clear a0(980) and a…

hep-ex2000★ 3 cited

A search for charmonium states produced in central pp interactions at 450 GeV/c

The WA102 Collaboration, D. Barberis

A search for centrally produced charmonium states has been presented. There is no significant evidence for any charmonium production. An upper limit of 2 nb is found for the cross…

hep-ex2000★ 65 cited

Search for New Physics in e mu X Data at D0 Using Sleuth: A Quasi-Model-Independent Search Strategy for New Physics

D0 Collaboration

We present a quasi-model-independent search for the physics responsible for electroweak symmetry breaking. We define final states to be studied, and construct a rule that identifie…

hep-ex2000★ 12 cited

Statistical properties of the estimator using covariance matrix

Alekhin Sergey

The statistical properties of estimator using covariance matrix for the account of point-to-point correlations due to systematic errors are analyzed. It is shown that the covarianc…

hep-ex2000★ 11 cited

Search for R-parity Violation in Multilepton Final States in p-barp Collisions at sqrt{s}=1.8 TeV

The D0 Collaboration

The result of a search for gaugino pair production with a trilepton signature is reinterpreted in the framework of minimal supergravity (mSUGRA) with R-parity violation via leptoni…

hep-ex2000★ 15 cited

A study of the omega omega channel produced in central pp interactions at 450 GeV/c

The WA102 Collaboration, D. Barberis

The reaction pp -> pf (omega omega) ps has been studied at 450 GeV/c and a spin analysis of the omega omega channel has been performed for the first time in central production. Evi…

hep-ex2000★ 15 cited

Search for Anomalous ZZgamma and Zgammagamma couplings in the process e+e- -> Zgamma at LEP

L3 Collaboration

We search for anomalous trilinear gauge couplings in the ZZgamma and Zgammagamma vertices using data collected with the L3 detector at LEP at a centre-of-mass energy \sqrt{s}=189 G…

hep-ex2000★ 88 cited

A study of the eta eta channel produced in central pp interactions at 450 GeV/c

The WA102 Collaboration, D. Barberis

The reaction pp -> pf (eta eta) ps has been studied at 450 GeV/c. For the first time a partial wave analysis of the centrally produced eta eta system has been performed. Signals fo…

hep-ex2000★ 9 cited

Inclusive Sigma+ and Sigma0 Production in Hadronic Z Decays

L3 Collaboration

We report on measurements of the inclusive production rate of Sigma+ and Sigma0 baryons in hadronic Z decays collected with the L3 detector at LEP. The Sigma+ baryons are detected…

hep-ex2000★ 13 cited

Spin alignment of mesons produced in neutron-carbon interactions

EXCHARM Collaboration

A new precise measurements of spin density matrix element of mesons produced inclusively in neutron-carbon interactions at \~60 GeV have been carried out…