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Study Of Charged Particle Species Produced In Association With B0 B And B0s Mesons In Pp Collisions At Square Roots
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Book Synopsis Study of Charged Particle Species Produced in Association with B̄0, B−, and B̄0[s] Mesons in Pp̄ Collisions at [square Root]s by : Denys Usynin
Download or read book Study of Charged Particle Species Produced in Association with B̄0, B−, and B̄0[s] Mesons in Pp̄ Collisions at [square Root]s written by Denys Usynin and published by . This book was released on 2005 with total page 182 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Study of Charged Particle Species Produced in Association with B0, B-, and Bs Mesons in Proton - Anti-proton Collisions at S**(1/2) by : Denys Usynin
Download or read book Study of Charged Particle Species Produced in Association with B0, B-, and Bs Mesons in Proton - Anti-proton Collisions at S**(1/2) written by Denys Usynin and published by . This book was released on 2005 with total page 198 pages. Available in PDF, EPUB and Kindle. Book excerpt: The authors study the yields of charged kaons, charged pions, and protons produced in association with B mesons produced in proton-antiproton collisions at center of mass energy 1960 GeV using 355 pb{sup -1} of data collected with the CDF detector at the Fermilab Tevatron. This is the first reported measurements of these yields at a hadron collider. The B mesons are reconstructed using their semileptonic decays: B{sup 0} {yields} {ell}{sup +}D{sup -}X, D{sup -} {yields} K{sup +}{pi}{sup -}{pi}{sup -}; B{sup 0} {yields} {ell}{sup +}D*{sup -}X, D*{sup -} {yields} {pi}{sup -}{bar D}{sup 0}, {bar D}{sup 0} {yields} K{sup +}{pi}{sup -}; B{sup +} {yields} {ell}{sup +}{bar D}{sup 0}X, {bar D}{sup 0} {yields} K{sup +}{pi}{sup -}; B{sub s}{yields}{ell}{sup +}D{sub s}{sup -}X, D{sub s}{sup -} {yields} {pi}{sup -}{phi}, {phi} {yields} K{sup +}K{sup -}. The K, {pi}, and p are identified using the Time of Flight detector (TOF), the CDF spectrometer, and the specific ionization (dE/dx) measured in the central drift chamber (COT). The fraction of charged kaons produced in association with {bar B}{sub s}{sup 0} mesons is found to be larger than the fraction produced in association with the {bar B}{sup 0} and B{sup -} mesons, as expected from naive models of heavy quark hadronization to mesons. The particle species yields are found to be in qualitative agreement with simulation of B meson production in hadron collisions from the PYTHIA Monte Carlo, although the yield of kaons around {bar B}{sub s}{sup 0} mesons is found to be larger in the simulation when compared to the data. These studies are important for understanding methods of identifying the flavor of {bar B}{sub s}{sup 0} mesons in measurement of {bar B}{sub s}{sup 0} flavor oscillations and charge conjugation-parity (CP) violation in {bar B}{sub s}{sup 0} meson decays.
Book Synopsis Study of Charged Particle Species Produced in Association with $\bar{B}$0, B-, and $\bar{B}$$0\atop{s}$ Mesons in P$\bar{p}$ Collisions at {u221A}s by :
Download or read book Study of Charged Particle Species Produced in Association with $\bar{B}$0, B-, and $\bar{B}$$0\atop{s}$ Mesons in P$\bar{p}$ Collisions at {u221A}s written by and published by . This book was released on 2005 with total page 198 pages. Available in PDF, EPUB and Kindle. Book excerpt: The authors study the yields of charged kaons, charged pions, and protons produced in association with B mesons produced in proton-antiproton collisions at center of mass energy 1960 GeV using 355 pb-1 of data collected with the CDF detector at the Fermilab Tevatron. This is the first reported measurements of these yields at a hadron collider. The B mesons are reconstructed using their semileptonic decays: B0 → l+D-X, D- → K+?-?-; B0 → l+D*-X, D*- → ?-$ar{D}$0,$ar{D}$0 → K+?-; B+ → l+$ar{D}$0X, $ar{D}$0 → K+?-; Bs→l+D$-top{s}$ X, D$-top{s}$ → ?-?,? → K+K-. The K, ?, and p are identified using the Time of Flight detector (TOF), the CDF spectrometer, and the specific ionization (dE/dx) measured in the central drift chamber (COT). The fraction of charged kaons produced in association with $ar{B}$$0top{s}$ mesons is found to be larger than the fraction produced in association with the $ar{B}$$0top{s}$ and B- mesons, as expected from naive models of heavy quark hadronization to mesons. The particle species yields are found to be in qualitative agreement with simulation of B meson production in hadron collisions from the PYTHIA Monte Carlo, although the yield of kaons around $ar{B}$$0top{s}$ mesons is found to be larger in the simulation when compared to the data. These studies are important for understanding methods of identifying the flavor of $ar{B}$$0top{s}$ mesons in measurement of $ar{B}$$0top{s}$ flavor oscillations and charge conjugation-parity (CP) violation in $ar{B}$$0top{s}$ meson decays.
Book Synopsis Charged Particle Production in Pp Collisions AT [square Root]s by : Jan Gaudaen
Download or read book Charged Particle Production in Pp Collisions AT [square Root]s written by Jan Gaudaen and published by . This book was released on 1984 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Study of B Meson Production in PPb Collisions at $\sqrt{s_{ \rm{NN}}} by :
Download or read book Study of B Meson Production in PPb Collisions at $\sqrt{s_{ \rm{NN}}} written by and published by . This book was released on 2016 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt: The production cross sections of the B+, B0, and B0s mesons, and of their charge conjugates, are measured via exclusive hadronic decays in pPb collisions at the center-of-mass energy √sNN = 5.02 TeV with the CMS detector at the CERN LHC. We used the dataset for this analysis and it corresponds to an integrated luminosity of 34.6 nb-1. The production cross sections are measured in the transverse momentum range between 10 and 60 GeV/c. No significant modification is observed compared to proton-proton perturbative QCD calculations scaled by the number of incoherent nucleon-nucleon collisions. Furthermore, these results provide a baseline for the study of in-medium b quark energy loss in PbPb collisions.
Book Synopsis Inclusive Charged Particle Production in [p Minus P Bar] Collisions at [square Root of S] by : Arthur Paul McManus
Download or read book Inclusive Charged Particle Production in [p Minus P Bar] Collisions at [square Root of S] written by Arthur Paul McManus and published by . This book was released on 1989 with total page 362 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Observation of [pi] - B Meson Charge-flavor Correlations and Measurement of Time Dependent B° Bbar° Mixing in P{bar P} Collisions by :
Download or read book Observation of [pi] - B Meson Charge-flavor Correlations and Measurement of Time Dependent B° Bbar° Mixing in P{bar P} Collisions written by and published by . This book was released on 1996 with total page 25 pages. Available in PDF, EPUB and Kindle. Book excerpt: We present evidence for charge correlations of {ital B} mesons with charged particles produced in {ital p{anti p}} Collisions at 1.8 TeV. Such correlations are expected to arise from pious produced in the fragmentation chain and from {ital B}{sup **} decays. We measure the efficiency and purity of this flavor tagging method for both charged and neutral {ital B} mesons. We apply these correlations to {ital B} mesons reconstructed in 110 pb−1 of data collected with the CDF detector at the Fermilab Tevatron Collider. {ital B} mesons are either partially reconstructed, using the semileptonic decays {ital B}° 2!{ital l}{ital D}{sup (*)-}{ital X} and {ital B} 2!{ital l}+{ital {anti D}X}, or fully reconstructed, using the decay modes {ital B}° 2!{ital J/{Psi}K{sup *0}} and {ital B}+ 2!{ital J/{Psi}K+}. Application of this new flavor tagging method to neutral {ital B} mesons yields a measurement of the frequency of the oscillation {ital B}° 2!{ital {anti B}}°. We obtain [Delta]{ital m{sub d}} = 0.446 ± 0.057{sup +0.034}{sub -0.031}.
Book Synopsis Measurements of Charged-particle Transverse Momentum Spectra in PbPb Collisions at [square Root Of]nn by : Eric Appelt
Download or read book Measurements of Charged-particle Transverse Momentum Spectra in PbPb Collisions at [square Root Of]nn written by Eric Appelt and published by . This book was released on 2014 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Study of B+c->J/[psi]D+s and B+c->J/[psi]D∗+s Decays in Pp Collisions at [square Root]s by : [Study Group] ATLAS Collaboration CERN
Download or read book Study of B+c->J/[psi]D+s and B+c->J/[psi]D∗+s Decays in Pp Collisions at [square Root]s written by [Study Group] ATLAS Collaboration CERN and published by . This book was released on 2022 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Charged-particle Distributions in Pp Interactions at {u221A}s by :
Download or read book Charged-particle Distributions in Pp Interactions at {u221A}s written by and published by . This book was released on 2016 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This study presents measurements of distributions of charged particles which are produced in proton–proton collisions at a centre-of-mass energy of √s=8TeV and recorded by the ATLAS detector at the LHC. A special dataset recorded in 2012 with a small number of interactions per beam crossing (below 0.004) and corresponding to an integrated luminosity of 160 ?b-1 was used. A minimum-bias trigger was utilised to select a data sample of more than 9 million collision events. The multiplicity, pseudorapidity, and transverse momentum distributions of charged particles are shown in different regions of kinematics and charged-particle multiplicity, including measurements of final states at high multiplicity. Finally, the results are corrected for detector effects and are compared to the predictions of various Monte Carlo event generator models which simulate the full hadronic final state.
Book Synopsis Charged-particle Multiplicities in Pp Interactions at √s by : Georges Aad
Download or read book Charged-particle Multiplicities in Pp Interactions at √s written by Georges Aad and published by . This book was released on 2010 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis UNIVERSAL BEHAVIOR OF CHARGED PARTICLE PRODUCTION IN HEAVY ION COLLISIONS. by :
Download or read book UNIVERSAL BEHAVIOR OF CHARGED PARTICLE PRODUCTION IN HEAVY ION COLLISIONS. written by and published by . This book was released on 2002 with total page 3 pages. Available in PDF, EPUB and Kindle. Book excerpt: The PHOBOS experiment at RHIC has measured the multiplicity of primary charged particles as a function of centrality and pseudorapidity in Au+Au collisions at (square root)(s{sub NN}) = 19.6, 130 and 200 GeV. Two observations indicate universal behavior of charged particle production in heavy ion collisions. The first is that forward particle production, over a range of energies, follows a universal limiting curve with a non-trivial centrality dependence. The second arises from comparisons with pp/{bar p}p and ee− data. Nch/N{sub part}/2 in nuclear collisions at high energy scales with (square root)s in a similar way as N{sub ch} in ee− collisions and has a very weak centrality dependence. These features may be related to a reduction in the leading particle effect due to the multiple collisions suffered per participant in heavy ion collisions.
Book Synopsis Search for New Phenomena in Three- Or Four-lepton Events in Pp Collisions at [square Root]s by : [Study Group] ATLAS Collaboration CERN
Download or read book Search for New Phenomena in Three- Or Four-lepton Events in Pp Collisions at [square Root]s written by [Study Group] ATLAS Collaboration CERN and published by . This book was released on 2022 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract: A search with minimal model dependence for physics beyond the Standard Model in events featuring three or four charged leptons (3l and 4l, ) is presented. The analysis aims to be sensitive to a wide range of potential new-physics theories simultaneously. This analysis uses data from pp collisions delivered by the Large Hadron Collider at a centre-of-mass energy of TeV and recorded with the ATLAS detector, corresponding to the full Run 2 dataset of 139 fb−1. The 3l and 4l phase space is divided into 22 event categories according to the number of leptons in the event, the missing transverse momentum, the invariant mass of the leptons, and the presence of leptons originating from a Z-boson candidate. These event categories are analysed independently for the presence of deviations from the Standard Model. No statistically significant deviations from the Standard Model predictions are observed. Upper limits for all signal regions are reported in terms of the visible cross-section
Book Synopsis Particle Physics by : Necia Grant Cooper
Download or read book Particle Physics written by Necia Grant Cooper and published by CUP Archive. This book was released on 1988-04-29 with total page 220 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book explains the emergence of a profoundly new understanding of the fundamental forces of Nature.
Download or read book The Atomic Nucleus written by R. D. Evans and published by Textbook Pub. This book was released on 2003-01-01 with total page 972 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Neutrino Mass written by Guido Altarelli and published by Springer. This book was released on 2004-02-24 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Reviews the current state of knowledge of neutrino masses and the related question of neutrino oscillations. After an overview of the theory of neutrino masses and mixings, detailed accounts are given of the laboratory limits on neutrino masses, astrophysical and cosmological constraints on those masses, experimental results on neutrino oscillations, the theoretical interpretation of those results, and theoretical models of neutrino masses and mixings. The book concludes with an examination of the potential of long-baseline experiments. This is an essential reference text for workers in elementary-particle physics, nuclear physics, and astrophysics.
Book Synopsis Z Physics at LEP 1 by : Guido Altarelli
Download or read book Z Physics at LEP 1 written by Guido Altarelli and published by . This book was released on 1989 with total page 246 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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