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Published: 1997
Total Pages: 16
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DOWNLOAD EBOOKWe present preliminary results from an analysis of jet data collected during the 1994-95 Tevatron Collider run with an integrated luminosity of 93 pb−1. Measurements of dijet mass spectra in {anti p}p collisions at (square root)s = 1.8 TeV are compared to next-to-leading order QCD calculations.
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Published: 1996
Total Pages: 22
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DOWNLOAD EBOOKWe present preliminary results from an analysis of dijet data collected during the 1994-95 Tevatron Collider run with an integrated luminosity of 91 pb−1. Measurements of dijet mass spectra and dijet angular distributions in {anti p}p collisions at (square root)s- = 1.8 TeV are compared with next-to-leading order QCD theory.
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Published: 1996
Total Pages: 4
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DOWNLOAD EBOOKThe authors present preliminary results from an analysis of dijet data collected during the 1994--1995 Tevatron Collider run with an integrated luminosity of 91 pb−1. Measurements of dijet mass spectrum distributions in {anti p}p collisions at (square root)s = 1.8 TeV are compared with next-to-leading order QCD theory.
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Published: 1996
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Published: 1999
Total Pages:
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DOWNLOAD EBOOKRecent results on the measurement of the dijet inclusive differential cross section and the dijet mass distribution made by the CDF and DO collaborations are presented. The analyses are based on large statistics of data obtained from the 94-95 Tevatron collider run at Fermilab. The measured spectra are compared to QCD calculations using different parton distribution functions. The CDF and DO dijet angular distributions are also presented to be compared to QCD calculations.
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Published: 1992
Total Pages: 5
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DOWNLOAD EBOOKA summary of QCD results obtained using the dijet invariant mass spectrum d[sigma]/dM[sub jj] is presented. The spectrum is compared with QCD Leader Order and with the recently published Next to Leading Order calculations. A limit on the scale of an eventual quark compositness can be set at [Lambda]=1300 GeV. Limits on the production of new particles, decaying hadronically, are presented, too. Axigluons are ruled out in the mass range [240, 640] GeV, for a theory with N=10 strong interacting fermions, and in the two windows [260, 280] GeV and [450, 550] GeV, for N=20.
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Published: 2015
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DOWNLOAD EBOOKDijet events produced in LHC proton-proton collisions at a center-of-mass energy \(\sqrt{s}=8\) TeV are studied with the ATLAS detector using the full 2012 data set, with an integrated luminosity of 20.3 fb-1. Dijet masses up to about 4.5 TeV are probed. Resonancelike features are not observed in the dijet mass spectrum. Limits on the cross section times acceptance are set at the 95% credibility level for various hypotheses of new phenomena in terms of mass or energy scale, as appropriate. The analysis excludes excited quarks with a mass below 4.06 TeV, color-octet scalars with a mass below 2.70 TeV, heavy W' bosons with a mass below 2.45 TeV, chiral W* bosons with a mass below 1.75 TeV, and quantum black holes with six extra space-time dimensions with threshold mass below 5.66 TeV.
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Published: 1990
Total Pages: 8
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DOWNLOAD EBOOKThe differential cross section of the process p + pbar --> jet + jet + X as a function of the dijet invariant mass has been measured with the CDF detector at a center of mass energy of 1.8 TeV at the Tevatron Collider in Fermilab. The present analysis is based on the sample of events collected in the 1988/89 run, amounting to a total integrated luminosity of 4.2 pb−1. A comparison to leading order QCD and quark compositeness predictions is presented as well as a study of the sensitivity of the mass spectrum to the gluon radiation. 10 refs., 6 figs.
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Published: 2003
Total Pages: 4
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DOWNLOAD EBOOKThe authors present the first Run II measurements with the D0 detector of the inclusive jet and dijet cross sections at (square root)s = 1.96 TeV. This analysis is based on an integrated luminosity of 34 pb−1. The results from a next-to-leading order perturbative QCD calculation are compared to the measured cross sections. The theoretical calculation agrees with the data.
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Published: 1999
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DOWNLOAD EBOOKWe present recent results on dijet production in p{anti p} collisions at (square root)s = 1.8 TeV at the Fermilab Tevatron. Data from both CDF and D0 experiments are shown. Dijet measurements complement prior inclusive jet measurements, which have shown a possible excess above expectations at high transverse energy. The same trend is seen in the dijet mass spectra.
