Transverse Momentum Spectra Of B Jets In Ppb Collisions At U221asnn PDF Download
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| Total Pages | : 22 |
| Release | : 2016 |
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Download Transverse Momentum Spectra of B Jets in PPb Collisions at {u221A}(sNN) Book in PDF, ePub and Kindle
We present a measurement of b jet transverse momentum (pT) spectra in protonlead (pPb) collisions using a dataset corresponding to about 35 nb-1 collected with the CMS detector at the LHC. Jets from b quark fragmentation are found by exploiting the long lifetime of hadrons containing a b quark through tagging methods using distributions of the secondary vertex mass and displacement. Extracted cross sections for b jets are scaled by the effective number of nucleon-nucleon collisions and are compared to a reference obtained from PYTHIA simulations of pp collisions. Furthermore, the PYTHIA-based estimate of the nuclear modification factor is found to be 1.22±0.15 (stat+syst pPb)_0.27 (syst PYTHIA) averaged over all jets with pT between 55 and 400 GeV/c and with.
| Author | : Eric Appelt |
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| Total Pages | : 148 |
| Release | : 2014 |
| Genre | : Collisions (Nuclear physics) |
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Download Measurements of Charged-particle Transverse Momentum Spectra in PbPb Collisions at [square Root Of]nn Book in PDF, ePub and Kindle
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| Release | : 2016 |
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Download Measurement of Inclusive Jet Production and Nuclear Modifications in PPb Collisions at $\sqrt{s_{\mathrm{NN}}} Book in PDF, ePub and Kindle
Inclusive jet production in pPb collisions at a nucleon-nucleon (NN) center-of-mass energy of sqrt(s[NN])=5.02 TeV is studied with the CMS detector at the LHC. A data sample corresponding to an integrated luminosity of 35 inverse nanobarns is analyzed. The jet transverse momentum spectra are studied in seven pseudorapidity intervals covering the range -2.0
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| Release | : 2015 |
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Download Nuclear Effects on the Transverse Momentum Spectra of Charged Particles in PPb Collisions at [arrow]"NN Book in PDF, ePub and Kindle
Transverse momentum spectra of charged particles are measured by the CMS experiment at the CERN LHC in pPb collisions at [arrow]"NN = 5.02 TeV in the range 0.4
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| Total Pages | : 37 |
| Release | : 2015 |
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Download Nuclear Effects on the Transverse Momentum Spectra of Charged Particles in PPb Collisions at $\sqrt{s_{_\mathrm {NN}}} Book in PDF, ePub and Kindle
Transverse momentum spectra of charged particles are measured by the CMS experiment at the CERN LHC in pPb collisions at [arrow]"NN = 5.02 TeV, in the range 0.4
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| Release | : 2016 |
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Download Decomposing Transverse Momentum Balance Contributions for Quenched Jets in PbPb Collisions at $ \sqrt{s_{\mathrm{N}\;\mathrm{N}}} Book in PDF, ePub and Kindle
Interactions between jets and the quark-gluon plasma produced in heavy ion collisions are studied via the angular distributions of summed charged-particle transverse momenta (pT) with respect to both the leading and subleading jet axes in high-pt dijet events. The contributions of charged particles in different momentum ranges to the overall event pt balance are decomposed into short-range jet peaks and a long-range azimuthal asymmetry in charged-particle pT. The results for PbPb collisions are compared to those in pp collisions using data collected in 2011 and 2013, at collision energy $ \sqrt{s_{\mathrm{N}\;\mathrm{N}}}=2.76 $ TeV with integrated luminosities of 166 [mu]b-1 and 5.3 pb-1, respectively, by the CMS experiment at the LHC. Furthermore, measurements are presented as functions of PbPb collision centrality, charged-particle pt, relative azimuth, and radial distance from the jet axis for balanced and unbalanced dijets.
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| Release | : 1978 |
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Download Resonant Production of High-transverse-momentum Back-to-back Gluon Jets in Pp Collisions. [27 GeV, Cross Sections, Transverse Momentum, Angular Distribution, Proposed Experiment]. Book in PDF, ePub and Kindle
The calorimetric study of two-gluon jets arising from inclusive production of 0/sup - +/, 0/sup + +/, and 2/sup + +/ b anti b states in hadron--hadron collisions was proposed. Cross sections of approx. = 0.2 x 10−33 cm2 (approx. = 3 x 10−33 cm2) are predicted for pp collisions at .sqrt.s = 27 GeV (60 GeV). Also calculated were the transverse momentum and angular distributions of the jets. 14 references.
