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A Measurement Of Botton Quark Production In Pp Collisions At Square Root Of S
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Book Synopsis MEASUREMENT OF THE BOTTOM QUARK PRODUCTION CROSS SECTION USING SEMILEPTONIC DECAY ELECTRONS IN P ANTI-P COLLISIONS AT SQUARE ROOT OF S by : F. Abe
Download or read book MEASUREMENT OF THE BOTTOM QUARK PRODUCTION CROSS SECTION USING SEMILEPTONIC DECAY ELECTRONS IN P ANTI-P COLLISIONS AT SQUARE ROOT OF S written by F. Abe and published by . This book was released on 1993 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Measurement of Bottom Production in Pp̄ Collisions at [square Root of S] by : Tae Yung Song
Download or read book Measurement of Bottom Production in Pp̄ Collisions at [square Root of S] written by Tae Yung Song and published by . This book was released on 1995 with total page 278 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Measurement of Botton Quark Production in Pp̄-collisions at [square Root Of] S by : Thorsten Bernhard Huehn
Download or read book A Measurement of Botton Quark Production in Pp̄-collisions at [square Root Of] S written by Thorsten Bernhard Huehn and published by . This book was released on 1995 with total page 386 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Cross Section Measurement of T-channel Single Top Quark Production in Pp Collisions at $\sqrt{s} by :
Download or read book Cross Section Measurement of T-channel Single Top Quark Production in Pp Collisions at $\sqrt{s} written by and published by . This book was released on 2016 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The cross section for the production of single top quarks in the $t$ channel is measured in proton-proton collisions at 13 TeV with the CMS detector at the LHC. The analyzed data correspond to an integrated luminosity of 2.3 fb$^{-1}$. The event selection requires one muon and two jets where one of the jets is identified as originating from a bottom quark. Several kinematic variables are then combined into a multivariate discriminator to distinguish signal from background events. A fit to the distribution of the discriminating variable yields a total cross section of 232 $\pm$ 13 (stat) $\pm$ 28 (syst) pb and a ratio of top quark and top antiquark production of $R_{t\textrm{-ch.}}= $ 1.81 $\pm$ 0.18 (stat) $\pm$ 0.15 (syst). From the total cross section the absolute value of the CKM matrix element $V_{\mathrm{tb}}$ is calculated to be 1.03 $\pm$ 0.07 (exp) $\pm$ 0.02 (theo). All results are in agreement with the standard model predictions.
Book Synopsis Measurement of the Top Quark Pair Production Cross Section with 1.12 Fb−1 of Pp̄ Collisions at [square-root] S by : Daniel Joseph Sherman
Download or read book Measurement of the Top Quark Pair Production Cross Section with 1.12 Fb−1 of Pp̄ Collisions at [square-root] S written by Daniel Joseph Sherman and published by . This book was released on 2007 with total page 502 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Measurement of Bottom Quark-antiquark Rapidity Correlations in Proton-antiproton Collisions at [square Root Of]s by : James D. Olsen
Download or read book Measurement of Bottom Quark-antiquark Rapidity Correlations in Proton-antiproton Collisions at [square Root Of]s written by James D. Olsen and published by . This book was released on 1998 with total page 394 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Measurement of the Top-quark Pair Production Cross Section with Soft Muon B-tagging in Pp Collisions at [square Root S by : Andrew James Poll
Download or read book Measurement of the Top-quark Pair Production Cross Section with Soft Muon B-tagging in Pp Collisions at [square Root S written by Andrew James Poll and published by . This book was released on 2011 with total page 300 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Search for Scalar Top Quark and Scalar Bottom Quark in Pp̄ Collisions at [square Root]S by : Christopher Matthew Holck
Download or read book Search for Scalar Top Quark and Scalar Bottom Quark in Pp̄ Collisions at [square Root]S written by Christopher Matthew Holck and published by . This book was released on 1999 with total page 207 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Measurement of Associated W + Charm Production in Pp Collisions at $\sqrt{s}$ by :
Download or read book Measurement of Associated W + Charm Production in Pp Collisions at $\sqrt{s}$ written by and published by . This book was released on 2014 with total page 63 pages. Available in PDF, EPUB and Kindle. Book excerpt: Measurements are presented of the associated production of a W boson and a charm-quark jet (W + c) in pp collisions at a center-of-mass energy of 7 TeV. The analysis is conducted with a data sample corresponding to a total integrated luminosity of 5 inverse femtobarns, collected by the CMS detector at the LHC. W boson candidates are identified by their decay into a charged lepton (muon or electron) and a neutrino. The W + c measurements are performed for charm-quark jets in the kinematic region $p_T^{jet} \gt$ 25 GeV, $
Book Synopsis Measurement of the Charge Asymmetry in Top Quark Pair Production in Pp Collisions at $\sqrt{s}$ by :
Download or read book Measurement of the Charge Asymmetry in Top Quark Pair Production in Pp Collisions at $\sqrt{s}$ written by and published by . This book was released on 2015 with total page 42 pages. Available in PDF, EPUB and Kindle. Book excerpt: The charge asymmetry in the production of top quark and antiquark pairs is measured in proton-proton collisions at a center-of-mass energy of 8 TeV. The data, corresponding to an integrated luminosity of 19.6 fb -1 were collected by the CMS experiment at the LHC. Events with a single isolated electron or muon, and four or more jets, at least one of which is likely to have originated from hadronization of a bottom quark, are selected. A template technique is used to measure the asymmetry in the distribution of differences in the top quark and antiquark absolute rapidities. The measured asymmetry is Ayc= [0.33_0.26 (stat)_0.33 (syst)]%, which is the most precise result to date. The results are compared to calculations based on the standard model and on several beyond-the-standard-model scenarios.
Book Synopsis Measurement of the Top Quark Pair Production Cross Section in Pp Collisions at Sqrt(s) by :
Download or read book Measurement of the Top Quark Pair Production Cross Section in Pp Collisions at Sqrt(s) written by and published by . This book was released on 2012 with total page 31 pages. Available in PDF, EPUB and Kindle. Book excerpt: The top quark pair production cross section is measured in dilepton events with one electron or muon, and one hadronically decaying tau lepton from the decay t anti-t to (l nu(l)) (tau nu(tau)) b anti-b, where l can be either an electron or a muon. The data sample corresponds to an integrated luminosity of 2.0 inverse femtobarns for the electron channel and 2.2 inverse femtobarns for the muon channel, collected by the CMS detector at the LHC. This is the first measurement of the t anti-t cross section explicitly including tau leptons in proton-proton collisions at sqrt(s)=7 TeV. The measured value sigma(t anti-t) = 143 +/- 14 (stat.) +/- 22 (syst.) +/- 3 (lumi.) pb is consistent with the standard model predictions.
Book Synopsis Measurement of Associated Z Boson and Charm Quark Production in Proton-proton Collisions at Square Root of S Equals to 13 TeV by : Luis Pinto Cabrera
Download or read book Measurement of Associated Z Boson and Charm Quark Production in Proton-proton Collisions at Square Root of S Equals to 13 TeV written by Luis Pinto Cabrera and published by . This book was released on 2020 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: "This thesis presents the measurements of the differential production cross-sections of a Z boson in association with at least one charm-quark-initiated jet, where the Z boson decays leptonically into a muon-antimuon pair. Data recorded in proton-proton collisions by the ATLAS detector at the Large Hadron Collider (LHC) during the years of 2015 to 2018 is utilised, when the LHC was running at a center of mass energy of 13 TeV. The studied data corresponds to a total integrated luminosity of 139 fb^-1. The measurements are compared to simulated data produced at next-to-leading-order and normalized to theoretical predictions at next-to-next-leading order. The results show that predictions underestimate the total number of events by 50% but display a good modelling of all distribution shapes of the chosen observables in data. The discrepancy can be attributed to a problem in the normalisation but further studies need to be made to settle the issue"--
Book Synopsis Measurement of the $t\bar{t}$ Production Cross Section in Pp Collisions at $\sqrt{s}$ by :
Download or read book Measurement of the $t\bar{t}$ Production Cross Section in Pp Collisions at $\sqrt{s}$ written by and published by . This book was released on 2014 with total page 21 pages. Available in PDF, EPUB and Kindle. Book excerpt: The top-quark pair production cross section is measured in final states with one electron or muon and one hadronically decaying [tau] lepton from the process $t\bar{t}$ to (l[nu]l) ([tau][nu][tau]) $b\bar{b}$, where l = e, [mu]. The data sample corresponds to an integrated luminosity of 19.6 fb-1 collected with the CMS detector in proton-proton collisions at $\sqrt{s}$ =8 TeV. The measured cross section [sigma]$t\bar{t}$ = 257 ± 3 (stat) ± 24 (syst) ± 7 (lumi) pb, assuming a top-quark mass of 172.5 GeV, is consistent with the standard model prediction.
Book Synopsis Search for a Heavy Bottom-like Quark in Pp Collisions at Sqrt(s) by :
Download or read book Search for a Heavy Bottom-like Quark in Pp Collisions at Sqrt(s) written by and published by . This book was released on 2011 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: A search for pair-produced bottom-like quarks in pp collisions at sqrt(s) = 7 TeV is conducted with the CMS experiment at the LHC. The decay b' to tW is considered in this search. The b' b'-bar to tW-̂ t-bar W+̂ process can be identified by the distinctive signature of trileptons and same-sign dileptons. With a data sample corresponding to an integrated luminosity of 34 inverse picobarns, no excess above the standard model background predictions is observed and a b' quark with a mass between 255 and 361 GeV/c2̂ is excluded at the 95% confidence level.
Book Synopsis Measurement of the Tt̄ Production Cross Section in Pp̄ Collisions at [square Root] S by : Heather L. Ray
Download or read book Measurement of the Tt̄ Production Cross Section in Pp̄ Collisions at [square Root] S written by Heather L. Ray and published by . This book was released on 2004 with total page 354 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Search for the Production of Scalar Bottom Quarks in $p \bar {p} $ Collisions at $\sqrt{s} $ by :
Download or read book Search for the Production of Scalar Bottom Quarks in $p \bar {p} $ Collisions at $\sqrt{s} $ written by and published by . This book was released on 2010 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt: We report on a search for direct scalar bottom quark (sbottom) pair production in p{bar p} collisions at (square root)s = 1.96 TeV, in events with large missing transverse energy and two jets of hadrons in the final state, where at least one of the jets is required to be identified as originating from a b quark. The study uses a CDF Run II data sample corresponding to 2.65 fb−1 of integrated luminosity. The data are in agreement with the standard model. In an R-parity conserving minimal supersymmetric scenario, and assuming that the sbottom decays exclusively into a bottom quark and a neutralino, 95% confidence-level upper limits on the sbottom pair production cross section of 0.1 pb are obtained. For neutralino masses below 70 GeV/c2, sbottom masses up to 230 GeV/c2 are excluded at 95% confidence level.
Book Synopsis A Measurement of Bottom Quark-antiquark Azimuthal Production Correlations in Proton-antiproton Collisions at [sq.root of S] by : Anthony Allen Affolder
Download or read book A Measurement of Bottom Quark-antiquark Azimuthal Production Correlations in Proton-antiproton Collisions at [sq.root of S] written by Anthony Allen Affolder and published by . This book was released on 2002 with total page 410 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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