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Measurement Of J Psi Meson And B Hadron Production Cross Section At Sqrts
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Book Synopsis Measurement of J/psi Meson and B-hadron Production Cross Section at Sqrt(s) by :
Download or read book Measurement of J/psi Meson and B-hadron Production Cross Section at Sqrt(s) written by and published by . This book was released on 2006 with total page 123 pages. Available in PDF, EPUB and Kindle. Book excerpt: A new measurement of the inclusive and differential production cross sections of J/[psi] mesons and b-hadrons in proton-antiproton collisions at √s = 1960 GeV is presented. The data correspond to an integrated luminosity of 39.7 pb−1 collected by the CDF Run II detector. The integrated cross section for inclusive J/[psi] production for all transverse momenta from 0 to 20 GeV/c in the rapidity range
Book Synopsis Measurement of the J/psi Meson and B-hadron Production Cross Sections in P Anti-p Collisions at S(NN)**1/2 by :
Download or read book Measurement of the J/psi Meson and B-hadron Production Cross Sections in P Anti-p Collisions at S(NN)**1/2 written by and published by . This book was released on 2004 with total page 59 pages. Available in PDF, EPUB and Kindle. Book excerpt: We present a new measurement of the inclusive and differential production cross sections of J/[psi] mesons and b-hadrons in proton-antiproton collisions at √s = 1960 GeV. The data correspond to an integrated luminosity of 39.7 pb−1 collected by the CDF Run II detector. We find the integrated cross section for inclusive J/[psi] production for all transverse momenta from 0 to 20 GeV/c in the rapidity range
Download or read book B Physics written by and published by . This book was released on 2004 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt: The authors present a new measurement of the inclusive and differential production cross sections of J/[psi] mesons and b-hadrons in proton-antiproton collisions at √s = 1960 GeV. The data correspond to an integrated luminosity of 39.7 pb−1 collected by the CDF Run II detector. They find the integrated cross section for inclusive J/[psi] production for all transverse momenta from 0 to 20 GeV/c in the rapidity range
Book Synopsis Measurement of the Prompt Double J/psi Production Cross Section in Pp Collisions at Sqrt(s) by : Andrew David York
Download or read book Measurement of the Prompt Double J/psi Production Cross Section in Pp Collisions at Sqrt(s) written by Andrew David York and published by . This book was released on 2013 with total page 205 pages. Available in PDF, EPUB and Kindle. Book excerpt: The simultaneous production of two J/psi mesons has been significantly observed in proton-proton collisions at a center-of-mass energy of 7 TeV with the CMS detector. The two J/psi mesons are fully reconstructed in their decay to muons. The signal yield is extracted with an extended maximum likelihood fit based on four event variables. A method was developed to correct for detector acceptances and efficiencies based on the measured momenta of the J/psi and their decay muons to maintain the least model dependence possible. The measurement is performed in an acceptance region defined by the individual J/psi transverse momentum and rapidity. From the measured signal yield of 446 events corresponding to an integrated luminosity of 4:7 inverse femtobarn. The total cross section is found to be 1:49 nanobarn, with 0:07 statistical and 0:13 nb systematic error, and unpolarizaed production was assumed. Most predictions for particle production at the LHC assume dominance of single parton interaction for proton-proton collisions, which can be tested with the final state measured in this analysis. The differential cross section is measured in bins of the double J/psi invariant mass, the double J/psi transverse momentum, and the absolute difference in rapidity of the two J/psi. The reconstruction of the four charged muon trajectories heavily relies on the Pixel subdetector located close to the beampipe. Systematic studies with cosmic muons and tracks from collision events are presented. The development of the Pixel RawToDigi package, data quality monitoring packages, commissioning studies of Pixel data and tracks in first collisions, and realistic simulations of decay signals in the pixel subdetector were all performed as a part of this dissertation work.
Book Synopsis J/psi Meson Production in Association with a W± Boson by : David E. Bertsche
Download or read book J/psi Meson Production in Association with a W± Boson written by David E. Bertsche and published by . This book was released on 2016 with total page 270 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Measurement of the Total and Differential Inclusive $\mathrm{B}^{+}$ Hadron Cross Sections in Pp Collisions at $\sqrt{s} by :
Download or read book Measurement of the Total and Differential Inclusive $\mathrm{B}^{+}$ Hadron Cross Sections 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 total and differential cross sections for inclusive production of $\mathrm{B}^{+}$ hadrons are measured as a function of the $\mathrm{B}^{+}$ transverse momentum $p_{\mathrm{T}}^\mathrm{B}$ and rapidity $y^\mathrm{B}$ in pp collisions at a centre-of-mass energy of 13 TeV, using data collected by the CMS experiment that correspond to an integrated luminosity of 49.4 pb$^{-1}$. The measurement uses the exclusive decay channel $\mathrm{B}^{+} \to \mathrm{J}/\psi \mathrm{K}^{+}$, with $\mathrm{J}/\psi$ mesons that decay to a pair of muons. The results show a reasonable agreement with theoretical calculations within the uncertainties.
Book Synopsis Measurement of the $B_c^{\pm}$ Production Cross Section in $p\bar{p}$ Collisions at $\sqrt{s} by :
Download or read book Measurement of the $B_c^{\pm}$ Production Cross Section in $p\bar{p}$ 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: Here, we describe a measurement of the ratio of the cross sections times branching fractions of the Bc+ meson in the decay mode Bc+ → J/[psi][mu]+[nu] to the B+ meson in the decay mode B+ → J/[psi]K+ in proton-antiproton collisions at center-of-mass energy √s = 1.96 TeV. The measurement is based on the complete CDF Run II data set, which comes from an integrated luminosity of 8.7 fb-1. The ratio of the production cross sections times branching fractions for Bc+ and B+ mesons with momentum transverse to the beam greater than 6 GeV/c and rapidity magnitude smaller than 0.6 is 0.211 ± 0.012(stat)-0.020+0.021(syst). Using the known B+ → J/[psi]K+ branching fraction, the known B+ production cross section, and a selection of the predicted Bc+ → J/[psi][mu]+[nu] branching fractions, the range for the total Bc+ production cross section is estimated.
Book Synopsis Measurement of the Differential Cross-section with Respect to Momentum and Rapidity of the J/[psi] Meson and the Non-prompt J/[psi] Cross-section Fraction in Pp Collisions at [square Root of S] by : Andrew James Nelson
Download or read book Measurement of the Differential Cross-section with Respect to Momentum and Rapidity of the J/[psi] Meson and the Non-prompt J/[psi] Cross-section Fraction in Pp Collisions at [square Root of S] written by Andrew James Nelson and published by . This book was released on 2011 with total page 116 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Measurement of the Ratio of the Production Cross Sections Times Branching Fractions of Bc" 2!J/[psi][pi]"and B" 2!J/[psi] K" and B(Bc"2!J/[psi] [pi]"[pi]"[pi]-/+)/B(Bc" 2!J/[psi] [pi]") in Pp Collisions at [arrow]" by :
Download or read book Measurement of the Ratio of the Production Cross Sections Times Branching Fractions of Bc" 2!J/[psi][pi]"and B" 2!J/[psi] K" and B(Bc"2!J/[psi] [pi]"[pi]"[pi]-/+)/B(Bc" 2!J/[psi] [pi]") in Pp Collisions at [arrow]" written by and published by . This book was released on 2015 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The ratio of the production cross sections times branching fractions ([sigma](Bc") B(Bc" 2!J/[psi][pi]"))/([sigma](B") B(B" 2!J/[psi]K") is studied in proton-proton collisions at a center-of-mass energy of 7 TeV with the CMS detector at the LHC. The kinematic region investigated requires Ba, sub>c" and B"mesons with transverse momentum p[tau]> 15 GeV and rapidity.
Book Synopsis Inclusive B-hadron Production Cross Section with Muons in Pp Collisions at Sqrt(s) by :
Download or read book Inclusive B-hadron Production Cross Section with Muons in Pp Collisions at Sqrt(s) written by and published by . This book was released on 2011 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt: A measurement of the b-hadron production cross section in proton-proton collisions at sqrt(s)=7 TeV is presented. The dataset, corresponding to 85 inverse nanobarns, was recorded with the CMS experiment at the LHC using a low-threshold single-muon trigger. Events are selected by the presence of a muon with transverse momentum greater than 6 GeV with respect to the beam direction and pseudorapidity less than 2.1. The transverse momentum of the muon with respect to the closest jet discriminates events containing b hadrons from background. The inclusive b-hadron production cross section is presented as a function of muon transverse momentum and pseudorapidity. The measured total cross section in the kinematic acceptance is sigma(pp to b+X to mu + X') =1.32 +/- 0.01 (stat) +/- 0.30 (syst) +/- 0.15 (lumi) microbarns.
Book Synopsis Measurement of the Cross Section for the Elastic Photoproduction of the J/[psi] Meson at HERA. by : Molly Anderson
Download or read book Measurement of the Cross Section for the Elastic Photoproduction of the J/[psi] Meson at HERA. written by Molly Anderson and published by . This book was released on 1998 with total page 117 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Measurement of the B Meson Differential Cross-section in P[bar P] Collisions At[radical] by :
Download or read book Measurement of the B Meson Differential Cross-section in P[bar P] Collisions At[radical] written by and published by . This book was released on 2001 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This paper presents a direct measurement of the differential[ital B][sup+] and[ital B][sup 0] cross sections, [ital d[sigma]/dp[sub T]] in[ital p][ital[anti p]] collisions at[radical]s= 1.8 TeV using a sample of 74[ital pb][sup -1] accumulated by the Collider Detector at Fermilab (CDF). The cross sections are measured in the central pseudorapidity region[vert-bar][eta][vert-bar][lt] 1 for[ital p[sub T]]([ital B])[gt] 6.0 GeV/c by fully reconstructing the[ital B] meson decays[ital B][sup+][r-arrow][ital J/[psi]K[sup+]] and[ital B][sup 0][r-arrow][ital J/[psi]K[sup*0]](892), where[ital J/[psi]][r-arrow][mu][sup+][mu][sup -] and[ital K][sup*0][r-arrow][ital K][sup+][pi][sup -]. The prediction of next-to- leading order QCD is consistent with the shape of the differential cross section but is low by a factor of 2.1[+-]0.2[+-]0.3. The integrated[ital B] meson cross section for[ital p[sub T]]([ital B])[gt] 6.0 GeV/c is determined to be[sigma]([ital B][sup -]= 3. 54[+-]0.22[+-]0.53[mu][ital b].
Download or read book Multiquark Hadrons written by Ahmed Ali and published by Cambridge University Press. This book was released on 2019-04-25 with total page 245 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work summarises the salient features of current and planned experiments into multiquark hadrons, describing various inroads to accommodate them within a theoretical framework. At a pedagogical level, authors review the salient aspects of quantum chromodynamics (QCD), the theory of strong interactions, which has been brought to the fore by high-energy physics experiments over recent decades. Compact diquarks as building blocks of a new spectroscopy are presented and confronted with alternative explanations of the XYZ resonances. Ways to distinguish among theoretical alternatives are illustrated, to be tested with the help of high luminosity LHC, electron-positron colliders, and the proposed Tera-Z colliders. Non-perturbative treatments of multiquark hadrons, such as large N expansion, lattice QCD simulations, and predictions about doubly heavy multiquarks are reviewed in considerable detail. With a broad appeal across high-energy physics, this work is pertinent to researchers focused on experiments, phenomenology or lattice QCD.
Book Synopsis Measurement of the Cross Section and Angular Correlations for Associated Production of a Z Boson with B Hadrons in Pp Collisions at $\sqrt{s} by :
Download or read book Measurement of the Cross Section and Angular Correlations for Associated Production of a Z Boson with B Hadrons in Pp Collisions at $\sqrt{s} written by and published by . This book was released on 2013 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Measurement of the J-_y63 [J-psi] Cross Section and Double Spin Asymmetries in Vector Meson Production in Polarised Lepton Nucleon Scattering at HERMES by : Falk Meißner
Download or read book Measurement of the J-_y63 [J-psi] Cross Section and Double Spin Asymmetries in Vector Meson Production in Polarised Lepton Nucleon Scattering at HERMES written by Falk Meißner and published by . This book was released on 2000 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Measurement of the J-ψ [J-psi] Cross Section and Double Spin Asymmetries in Vector Meson Production in Polarised Lepton Nucleon Scattering at HERMES by : Falk Meißner
Download or read book Measurement of the J-ψ [J-psi] Cross Section and Double Spin Asymmetries in Vector Meson Production in Polarised Lepton Nucleon Scattering at HERMES written by Falk Meißner and published by . This book was released on 2000 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Measurement of the B-Hadron Production Cross Section Using Decays to MU- D0 X Final States in P Anti-p Collisions at S**ư by :
Download or read book Measurement of the B-Hadron Production Cross Section Using Decays to MU- D0 X Final States in P Anti-p Collisions at S**ư written by and published by . This book was released on 2009 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt: We report a measurement of the production cross section for b hadrons in p{bar p} collisions at √s = 1.96 TeV. Using a data sample derived from an integrated luminosity 83 pb−1 collected with the upgraded Collider Detector (CDF II) at the Fermilab Tevatron, we analyze b hadrons, H{sub b}, partially reconstructed in the semileptonic decay mode H{sub b} →?− D° X. Our measurement of the inclusive production cross section for b hadrons with transverse momentum p{sub T}> 9 GeV/c and rapidity.
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