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Measurement Of B Jet Shapes In Inclusive Jet Production In P Anti P Collisions At S1 2
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Book Synopsis Measurement of B-jet Shapes in Inclusive Jet Production in P Anti-p Collisions at S**1/2 by :
Download or read book Measurement of B-jet Shapes in Inclusive Jet Production in P Anti-p Collisions at S**1/2 written by and published by . This book was released on 2008 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt: We present a measurement of the shapes of b-jets using 300 pb−1 of data obtained with the upgraded Collider Detector at Fermilab (CDF II) in p{bar p} collisions at center of mass energy √s = 1.96 TeV. This measurement covers a wide transverse momentum range, from 52 to 300 GeV/c. Samples of heavy-flavor enhanced jets together with inclusive jets are used to extract the average shapes of b-jets. The b-jets are expected to be broader than inclusive jets. Moreover, b-jets containing a single b-quark are expected to be narrower than those containing a b{bar b} pair from gluon splitting. The measured b-jet shapes are found to be significantly broader than expected from the pythia and HERWIG Monte Carlo simulations. This effect may arise from an underestimation of the fraction of b-jets originating from gluon splitting in these simulations.
Book Synopsis Measurement of B-jet Shapes in Inclusive Jet Production in P Anti-p Collisions at S**ư by :
Download or read book Measurement of B-jet Shapes in Inclusive Jet Production in P Anti-p Collisions at S**ư written by and published by . This book was released on 2008 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt: We present a measurement of the shapes of b-jets using 300 pb−1 of data obtained with the upgraded Collider Detector at Fermilab (CDF II) in p{bar p} collisions at center of mass energy √s = 1.96 TeV. This measurement covers a wide transverse momentum range, from 52 to 300 GeV/c. Samples of heavy-flavor enhanced jets together with inclusive jets are used to extract the average shapes of b-jets. The b-jets are expected to be broader than inclusive jets. Moreover, b-jets containing a single b-quark are expected to be narrower than those containing a b{bar b} pair from gluon splitting. The measured b-jet shapes are found to be significantly broader than expected from the pythia and HERWIG Monte Carlo simulations. This effect may arise from an underestimation of the fraction of b-jets originating from gluon splitting in these simulations.
Book Synopsis Study of Jet Shapes in Inclusive Jet Production in P Anti-p Collisions at S**(1/2) by :
Download or read book Study of Jet Shapes in Inclusive Jet Production in P Anti-p Collisions at S**(1/2) written by and published by . This book was released on 2005 with total page 31 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Measurement of Inclusive Charged-particle B-jet Production in Pp and P-Pb Collisions at √sNN by : Shreyasi Acharya
Download or read book Measurement of Inclusive Charged-particle B-jet Production in Pp and P-Pb Collisions at √sNN written by Shreyasi Acharya and published by . This book was released on 2022 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Measurement of the Inclusive Jet Cross Section Using the K(T) Algorithm in P Anti-p Collisions at S**1/2 by :
Download or read book Measurement of the Inclusive Jet Cross Section Using the K(T) Algorithm in P Anti-p Collisions at S**1/2 written by and published by . This book was released on 2005 with total page 13 pages. Available in PDF, EPUB and Kindle. Book excerpt: The authors report on a measurement of the inclusive jet production cross section in p{bar p} collisions at √s = 1.96 TeV using data collected with the upgraded Collider Detector at Fermilab in Run II (CDF II) corresponding to an integrated luminosity of 385 pb−1. Jets are reconstructed using the k{sub T} algorithm. The measurement is carried out for jets with rapidity 0.1
Book Synopsis The Black Book of Quantum Chromodynamics — A Primer for the LHC Era by : John Campbell
Download or read book The Black Book of Quantum Chromodynamics — A Primer for the LHC Era written by John Campbell and published by Oxford University Press. This book was released on 2018-01-19 with total page 761 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Black Book of Quantum Chromodynamics is an in-depth introduction to the particle physics of current and future experiments at particle accelerators. The book offers the reader an overview of practically all aspects of the strong interaction necessary to understand and appreciate modern particle phenomenology at the energy frontier. It assumes a working knowledge of quantum field theory at the level of introductory textbooks used for advanced undergraduate or in standard postgraduate lectures. The book expands this knowledge with an intuitive understanding of relevant physical concepts, an introduction to modern techniques, and their application to the phenomenology of the strong interaction at the highest energies. Aimed at graduate students and researchers, it also serves as a comprehensive reference for LHC experimenters and theorists. This book offers an exhaustive presentation of the technologies developed and used by practitioners in the field of fixed-order perturbation theory and an overview of results relevant for the ongoing research programme at the LHC. It includes an in-depth description of various analytic resummation techniques, which form the basis for our understanding of the QCD radiation pattern and how strong production processes manifest themselves in data, and a concise discussion of numerical resummation through parton showers, which form the basis of event generators for the simulation of LHC physics, and their matching and merging with fixed-order matrix elements. It also gives a detailed presentation of the physics behind the parton distribution functions, which are a necessary ingredient for every calculation relevant for physics at hadron colliders such as the LHC, and an introduction to non-perturbative aspects of the strong interaction, including inclusive observables such as total and elastic cross sections, and non-trivial effects such as multiple parton interactions and hadronization. The book concludes with a useful overview contextualising data from previous experiments such as the Tevatron and the Run I of the LHC which have shaped our understanding of QCD at hadron colliders.
Book Synopsis First Measurement of the B-jet Cross Section in Events with a W Boson in P Anti-p Collisions at S**1/2 by :
Download or read book First Measurement of the B-jet Cross Section in Events with a W Boson in P Anti-p Collisions at S**1/2 written by and published by . This book was released on 2009 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt: The cross section for jets from b quarks produced simultaneously with a W boson has been measured in p{bar p} collision data from 1.9 fb−1 of integrated luminosity recorded by the CDF II detector at the Tevatron. Jets consistent with the decay of long-lived hadrons are selected by identifying a displaced decay vertex. The invariant mass of the charged particle tracks associated with the vertex is sensitive to the flavor of the decaying hadron and is used to determine the fraction of jets from b-quark production. We measure a b-jet cross section of 2.74 ± 0.27(stat.) ± 0.42(syst.) pb in association with one flavor of leptonic W boson decay over a limited kinematic phase space.
Book Synopsis Measurement of the Inclusive Jet Cross-section in P Anti-p Collisions at S**91 by :
Download or read book Measurement of the Inclusive Jet Cross-section in P Anti-p Collisions at S**91 written by and published by . This book was released on 2008 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis First Measurement of the B-jet Cross Section in Events with a W Boson in P Anti-p Collisions at S**ư by :
Download or read book First Measurement of the B-jet Cross Section in Events with a W Boson in P Anti-p Collisions at S**ư written by and published by . This book was released on 2009 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt: The cross section for jets from b quarks produced simultaneously with a W boson has been measured in p{bar p} collision data from 1.9 fb−1 of integrated luminosity recorded by the CDF II detector at the Tevatron. Jets consistent with the decay of long-lived hadrons are selected by identifying a displaced decay vertex. The invariant mass of the charged particle tracks associated with the vertex is sensitive to the flavor of the decaying hadron and is used to determine the fraction of jets from b-quark production. We measure a b-jet cross section of 2.74 ± 0.27(stat.) ± 0.42(syst.) pb in association with one flavor of leptonic W boson decay over a limited kinematic phase space.
Download or read book רסיסים מהעבר הקרוב written by and published by . This book was released on 1938 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Measurement of the K(T) Distribution of Particles in Jets Produced in P Anti-p Collisions at S**1/2 by :
Download or read book Measurement of the K(T) Distribution of Particles in Jets Produced in P Anti-p Collisions at S**1/2 written by and published by . This book was released on 2008 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt: We present a measurement of the transverse momentum with respect to the jet axis (k{sub T}) of particles in jets produced in p{bar p} collisions at √s = 1.96 TeV. Results are obtained for charged particles within a cone of opening angle 0.5 radians around the jet axis in events with dijet invariant masses between 66 and 737 GeV/c2. The experimental data are compared to theoretical predictions obtained for fragmentation partons within the framework of resummed perturbative QCD using the modified leading log and next-to-modified leading log approximations. The comparison shows that trends in data are successfully described by the theoretical predictions, indicating that the perturbative QCD stage of jet fragmentation is dominant in shaping basic jet characteristics.
Book Synopsis Modification of Jet Shapes in PbPb Collisions at $\sqrt {s_{NN}} by :
Download or read book Modification of Jet Shapes in PbPb Collisions at $\sqrt {s_{NN}} 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 first measurement of jet shapes, defined as the fractional transverse momentum radial distribution, for inclusive jets produced in heavy-ion collisions is presented. Data samples of PbPb and pp collisions, corresponding to integrated luminosities of 150 inverse microbarns and 5.3 inverse picobarns respectively, were collected at a nucleon-nucleon centre-of-mass energy of sqrt(s[NN]) = 2.76 TeV with the CMS detector at the LHC. The jets are reconstructed with the anti-kt algorithm with a distance parameter R=0.3, and the jet shapes are measured for charged particles with transverse momentum pt> 1 GeV. The jet shapes measured in PbPb collisions in different collision centralities are compared to reference distributions based on the pp data. A centrality-dependent modification of the jet shapes is observed in the more central PbPb collisions, indicating a redistribution of the energy inside the jet cone. This measurement provides information about the parton shower mechanism in the hot and dense medium produced in heavy-ion collisions.
Book Synopsis Inclusive B-jet Production in Pp Collisions at Sqrt(s) by :
Download or read book Inclusive B-jet Production in Pp Collisions at Sqrt(s) written by and published by . This book was released on 2012 with total page 33 pages. Available in PDF, EPUB and Kindle. Book excerpt: The inclusive b-jet production cross section in pp collisions at a center-of-mass energy of 7 TeV is measured using data collected by the CMS experiment at the LHC. The cross section is presented as a function of the jet transverse momentum in the range 18
Book Synopsis Measurement of the K(T) Distribution of Particles in Jets Produced in P Anti-p Collisions at S**ư by :
Download or read book Measurement of the K(T) Distribution of Particles in Jets Produced in P Anti-p Collisions at S**ư written by and published by . This book was released on 2008 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt: We present a measurement of the transverse momentum with respect to the jet axis (k{sub T}) of particles in jets produced in p{bar p} collisions at √s = 1.96 TeV. Results are obtained for charged particles within a cone of opening angle 0.5 radians around the jet axis in events with dijet invariant masses between 66 and 737 GeV/c2. The experimental data are compared to theoretical predictions obtained for fragmentation partons within the framework of resummed perturbative QCD using the modified leading log and next-to-modified leading log approximations. The comparison shows that trends in data are successfully described by the theoretical predictions, indicating that the perturbative QCD stage of jet fragmentation is dominant in shaping basic jet characteristics.
Book Synopsis Study of Inclusive Jet Production and Jet Shapes in Proton-proton Collisions at [square Root Of] S by : Francesc Vives Vaqué
Download or read book Study of Inclusive Jet Production and Jet Shapes in Proton-proton Collisions at [square Root Of] S written by Francesc Vives Vaqué and published by . This book was released on 2011 with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Measurement of the Inclusive Jet Cross Section in P Anti-p Interactions at S**1/2 by :
Download or read book Measurement of the Inclusive Jet Cross Section in P Anti-p Interactions at S**1/2 written by and published by . This book was released on 2005 with total page 19 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Measurement of the B Jet Cross-section in Events with a Z Boson in P Anti-p Collisions at S**1/2 by :
Download or read book Measurement of the B Jet Cross-section in Events with a Z Boson in P Anti-p Collisions at S**1/2 written by and published by . This book was released on 2006 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:
![Download Study of Inclusive Jet Production and Jet Shapes in Proton-proton Collisions at [square Root Of] S PDF Online Free](https://books.google.com/books/content/images/frontcover/al1TygEACAAJ?fife=w200-h370)
