P(P)OVER-BAR COLLISIONS
Search for associated production of Upsilon and vector boson in p(p)over-bar collisions at root(s)over-bar=1.8 TeV
... from semileptonic decays of heavy flavors was effectively reduced by discarding events where a -decay muon is contained in the cone of a leading jet. The identification of vector bosons in the hadronic final state was ...
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Search for lepton flavor violating decays of a heavy neutral particle in p(p)over-bar collisions at root s=1.8 TeV
... 1:8 TeV. This work was supported by the U.S. Department of Energy and National Science Foun- dation; the Italian Istituto Nazionale di Fisica Nucleare; the Ministry of Education, Culture, Sports, Science, and Technology ...
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Search for new heavy particles in the WZ(0) final state in p(p)over-bar collisions at root s=1.8 TeV
... collisions at p s 苷 1.8 TeV using the Collider Detector at Fermilab (CDF). We use the final state WZ 0 ! enjj since it has the experimental advantages of a large branching ra- tio for Z 0 ! jj and a ...
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Search for the supersymmetric partner of the top quark in dilepton events from p(p)over-bar collisions at root s=1.8 TeV
... K. Maeshima, 13 P. Maksimovic, 21 L. Malferrari, 3 M. Mangano, 38 G. Manca, 35 M. Mariotti, 36 G. Martignon, 36 M. Martin, 21 A. Martin, 53 V. Martin, 32 M. Martı´nez, 13 J. A. J. Matthews, 31 P. Mazzanti, ...
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Search for gluinos and scalar quarks in p(p)over-bar collisions at root s=1.8 TeV using the missing energy plus multijets signature
... p p ¯ collisions at p s 苷 1.8 TeV, recorded by the Collider Detector at Fermilab. We investigate the final state of large missing transverse energy and three or more jets, a characteristic ...
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Search for gluinos and squarks using like-sign dileptons in p(p)over-bar collisions at root s=1.8 TeV
... We thank the Fermilab staff and the technical staffs of the participating institutions for their vital contributions. This work was supported by the U.S. Department of Energy and the National Science Foundation; the ...
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Measurement of prompt charm meson production cross sections in p(p)over-bar collisions at root s=1.96 TeV
... pair to satisfy the trigger requirements, since the typical opening angle between two kaons from decay is close to the ’ 2 trigger requirement. Each candidate is required to have a mass within 20 MeV of the world average ...
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Search for a fourth-generation quark more massive than the Z(0) boson in p(p)over-bar collisions at root s=1.8 TeV
... H. Jensen, 10 M. Jones, 31 U. Joshi, 10 H. Kambara, 13 T. Kamon, 38 T. Kaneko, 41 K. Karr, 42 H. Kasha, 45 Y. Kato, 28 T. A. Keaffaber, 34 K. Kelley, 22 M. Kelly, 24 R. D. Kennedy, 10 R. Kephart, 10 D. Khazins, 9 T. ...
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Measurement of d sigma/dM and forward-backward charge asymmetry for high-mass Drell-Yan e(+)e(-) pairs from p(p)over-bar collisions at root s=1.8 TeV
... We thank the Fermilab staff and the technical staffs of the participating institutions for their vital contributions. This work was supported by the U.S. Department of Energy and National Science Foundation; the Italian ...
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Limits on extra dimensions and new particle production in the exclusive photon and missing energy signature in p(p)over-bar collisions at root s=1.8 TeV
... We thank the Fermilab staff and the technical staffs of the participating institutions for their vital contributions. We would also like to thank J. Lykken, K. Matchev, and D. Rainwater for their help. This work was ...
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Search for second and third generation leptoquarks including production via technicolor interactions in p(p)over-bar collisions at root s=1.8 TeV
... criteria, 11 observed events for the c and 5 observed events for the b tagged data samples are found. The signal tag- ging efficiency is approximately 27% for second genera- tion leptoquarks and 49% for third generation ...
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Limits on light gravitino production and new processes with large missing transverse energy in p(p)over-bar collisions at root s=1.8 TeV
... due to the gluon radiation modeling in the Monte Carlo, obtained by comparing the cross sections before and after radiation occurs; (iii) and 5% due to the choice of parton distribution function (e.g., MRSD9 vs CTEQ2M ...
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Search for a W-' boson decaying to a top and bottom quark pair in 1.8 TeV p(p)over-bar collisions
... We thank the Fermilab staff and the technical staff at the participating institutions for their essential contribu- tions to this research. This work is supported by the U.S. Department of Energy and the National Science ...
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Upsilon production and polarization in p(p)over-bar collisions at root s=1.8 TeV
... for the production of the Y 共1S兲 , Y 共2S兲 , and Y 共3S兲 states as well as the Y 共1S兲 polarization. Both the cross section and polarization measurements are important for the inves- tigation of q q ¯ bound state production ...
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Charged-particle multiplicity p(p)over-bar collisions at root s=1.8 TeV
... We are grateful to Yu. Dokshitzer, I. Dremin, V. Khoze, A. H. Mueller, V. Nechitailo, W. Ochs, R. Peschanski, and B. Webber for a number of very fruitful discussions. We thank the Fermilab staff and the technical staffs ...
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Direct measurement of the W boson width in p(p)over-bar collisions at root s=1.8 TeV
... The portions of the CDF detector relevant to this analysis are described briefly below. Detailed descriptions can be found elsewhere [8]. Electromagnetic and hadronic calorimeters, arranged in a projective tower ...
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Measurement of J/psi and psi(2S) polarization in p(p)over-bar collisions at root s=1.8 TeV
... divided into two subsamples based on the ct distribution. Because the statistics are lower than in the J 兾 c case, we use ten bins in jcosu ⴱ j. The number of signal events in each jcosu ⴱ j bin is obtained by fitting ...
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Search for neutral Higgs bosons in multi $b$ jet events in $p\bar{p}$ collisions at $\sqrt{s} = 1 96$ TeV
... ¼ p ffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffiffi ð Þ 2 þ ð ’ Þ 2 < 0:5 (where is the pseudorapidity and ’ the azimuthal angle), for a total per-jet efficiency of ...
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Measurement of the polarization of the $Υ(1S)$ and $Υ(2S)$ states in $p\bar{p}$ collisions at $\sqrt{s}=$1 96 TeV
... (curves). The lower line corresponds to the quark-spin conservation hypothesis, and the upper one to the full quark-spin depolarization hypothesis. The previous mea- surement by CDF of the polarization of ð1SÞ with ...
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Resonance production in p+p, p+A and A+A collisions measured with HADES
... from p+Nb collisions with momenta larger and smaller 0.8 GeV/c to the p+p data in the same kinematic regions scaled to the number of participants and the total reaction cross ...with P ...
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