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Showing 1 to 20 of 24 for “"proton-antiproton collisions"”.
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Search for Second-Generation Leptoquarks in Proton-Antiproton Collisions
… leptoquarks (LQ_2) in around 114 pb^-1 of proton-antiproton collisions, recorded with the D0 detector between September 2002 and June 2003 at a centre-of-mass energy of sqrt{s} = 1.96 TeV. The predictions of the Standard Model and models including scalar leptoquark production are compared …
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A search for top quarks in proton-antiproton collisions using dileptons
A search for tt pairs in pp collisions with a center of mass energy $\sqrt s$ = 1.8TeV is presented. The analysis looks for tt pairs which decayed through the chain $\bar {tt}\to W\sp+bW\sp-\bar b\to\ell\sp+\bar \nu b\ell\sp-\nu\bar b$ where one of the b quarks is explicitly identified. In a sample …
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Study of muons associated with jets in proton-antiproton collisions at sqrt.s = 1.8 TeV
Production of heavy quark flavors in proton-antiproton collisions with a center-of-mass energy of 1.8 $\times$ 10$\sp{12}$ electron volts is studied for events containing hadronic jets with a nearby muon track, where both the jet and the muon are produced at large angles from the incident beams. …
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Measurement of Z Boson Transverse Momentum In Proton-Antiproton Collisions At sqrt(s)=1.96 TeV
This dissertation describes a measurement of the shape of the boson transverse momentum distribution in $p\bar{p}\rightarrow Z/\gamma^{*}\rightarrow e^+e^- +X$ events at a center-of-mass energy of 1.96 TeV. The measurement is made for events with electron-positron mass between $70 < M_{ee} < 110$ …
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Observation of tungsten ---> muon-neutrino decays in proton-antiproton collisions at sqrt. s = 1.8 TeV
… of stopped positively charged kaons, produced in proton-antiproton annihilations at rest, has been measured with good momentum resolution $(\delta p/p$ = 1.5%) and high statistics ($\sim$300,000 potential decays). The data were obtained with the Experiment PS183 magnetic pair spectrometer at LEAR, …
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Direct Measurement of the W Boson Decay Width in Proton-Antiproton Collisions at sqrt(s)=1.96 TeV
This dissertation describes a direct measurement of the W boson total decay width, using the DZero detector at the Fermilab Tevatron Collider. The measurement uses an integrated luminosity of 177.3 pb-1 data, collected during the 2002-2003 run. The width is determined from the shape of the …
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A Measurement of B Hadron Correlations in Proton-Antiproton Collisions at Center of Mass Energy = 1.8 TeV
… a study of B hadron correlations in pp¯ collisions at s = 1.8 TeV. Events containing a bb¯ pair are identified by the presence of an energetic electron or muon and both B hadrons in the event are located by reconstructing their decay vertices using precision charged-particle …
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A measurement of B hadron correlations in proton-antiproton collisions at center of mass energy = 1.8 TeV
Submitted by Meng Tao (mengtao2@illinois.edu) on 2012-10-23T19:27:50Z No. of bitstreams: 1 Lannon_Kevin.pdf: 4162855 bytes, checksum: c5206b367dabcd237551a922275fc6f7 (MD5)
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Observation of W [right arrow] [mu][nu] decays in proton-antiproton collisions at [square root]s = 1.8 TeV
… vector boson has been observed in pp collisions at a center-of-mass energy of 1.8 TeV at the Fermilab Tevatron collider. Details of the CDF detector are given and event selection criteria are developed. A cross section times branching ratio, based on a sample of three W --+ J-lV …
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Measurement of the Diffractive Structure Function of the Antiproton in Proton-Antiproton Collisions at √s = 1800 and 630 GeV
… diffractive structure function FjjD of the antiproton obtained from a study of single diffractive dijet events produced in association with a leading antiproton in pp̄ collisions at the center-of-mass energy √s = 1800 and 630 GeV is presented. Inclusive samples of single diffractive events …
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Measurement of the CP Asymmetry in Semimuonic B Decays Produced in Proton-Antiproton Collisions at Center of Mass Energy= 1.96 TeV
We measure the asymmetry between positive and negative same-sign muon pairs originating from semileptonic decays of pairs of B hadrons. Low transverse momentum dimuon pairs are evaluated to determine B hadron content using a log likelihood fit to two-dimensional impact parameter significance …
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A measurement of W boson-photon and Z boson-photon cross sections in the muon channel in 1.8 TeV proton-antiproton collisions
… in the muon channel in $\sqrt{s}$ = 1.8 TeV p-p collisions, from 3.54 $\pm$ 0.24 $pb\sp{-1}$ of muon W and Z data from the CDF 1988-89 Tevatron collider run. For photons in the central region ($\vert\eta\vert $ 5.0 GeV and lepton-photon angular separation $\Delta R\sb{\ell\sb\gamma} >$ 0.7, 5 …
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Analysis of the Vector Boson Self Interaction and the Search for Anomalous Couplings at Center-of-Mass Energy = 1.8 TeV Proton-Antiproton Collisions
Made available in DSpace on 2015-09-25T20:02:33Z (GMT). No. of bitstreams: 2 license.txt: 4848 bytes, checksum: 96035ab3f5e1c23cc7138a224ce498bd (MD5) 3017052.pdf: 8821547 bytes, checksum: f5bb890607af3b59bcc503dca82c4078 (MD5) Previous issue date: 2001
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A Measurement of the Top-Antitop Production Cross Section in Proton-Antiproton Collisions at Center of Mass Energy = 1.96 TeV Using Soft Muon Tagging
Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs
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Measurement of the Top Quark-Antitop Quark Differential Cross Section, dsigma/dM(tt), in Proton-Antiproton Collisions at Center of Mass Energy = 1.96 TEV
… cross section, dsigma/dMtt¯, in pp¯ collisions at s = 1.96 TeV using 2.7 fb-1 of CDF II data. I find that dsigma/dMtt¯ is consistent with the Standard Model expectation, as modeled by PYTHIA with CTEQ5L parton distribution functions. I set limits on the ratio kappa/M Pl in the …
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Measurements of the B production cross section in proton-antiproton collisions at center of mass energy = 1.96 TeV using semileptonic decays of B hadrons
Submitted by Meng Tao (mengtao2@illinois.edu) on 2012-10-23T19:23:46Z No. of bitstreams: 1 Kraus_James.pdf: 4874409 bytes, checksum: 74194484a218fcd4e1133aab810f8fe0 (MD5)
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Measurement of the differential angular distribution of the W boson produced in association with jets in proton-antiproton collisions at sqrt (s)= 1.8 TeV
… cross section of the W boson produced in a proton-antiproton collider can be written as a sum of nine terms. Each term is a product of an analytical expression of the azimuthal and polar angles (cp and 0) of the charged lepton from the W decay measured in the W-rest frame (leptonic part) …
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Measurement of the Differential Angular Distribution of the W Boson Produced in Association With Jets in Proton -Antiproton Collisions at Center of Mass Energy = 1.8 TeV
We also present the Standard Model prediction for the W angular coefficients Ai as a function of pWT , using a W+jet Monte Carlo event generator, which includes gluon loops. The prediction for three of the angular coefficients (A1, A4 and A6) is presented for the first time.
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Measurement of the single top quark cross section in the lepton plus jets final state in proton-antiproton collisions at a center of mass energy of 1.96 TeV using the CDF II detector.
We present a measurement of the single top quark cross section in the lepton plus jets final state using an integrated luminosity corresponding to 7.5/fb of collision data collected by the Collider Detector at Fermilab. The single top candidate events are identified by the signature of a charged …
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