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Author : Armen Tumasyan
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (137 download)
Download or read book Nuclear Modification of $\Upsilon$ States in PPb Collisions at $\sqrts_\mathrm{NN}}$ written by Armen Tumasyan and published by . This book was released on 2022 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Charged-particle Nuclear Modification Factors in PbPb and PPb Collisions at $\sqrt{s_{\mathrm{NN}}} written by and published by . This book was released on 2016 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The spectra of charged particles produced within the pseudorapidity window $
![Download Strong Suppression of [upsilon] Excited States in Pb+Pb Collisions at [square Root]s[subscript NN] PDF Online Free](https://books.google.com/books/content/images/frontcover/FUAJugEACAAJ?fife=w200-h370)
Author : Chad Steven Flores
Publisher :
ISBN 13 : 9780355461404
Total Pages : pages
Book Rating : 4.4/5 (614 download)
Download or read book Strong Suppression of [upsilon] Excited States in Pb+Pb Collisions at [square Root]s[subscript NN] written by Chad Steven Flores and published by . This book was released on 2017 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The relative yields of [upsilon] mesons produced in p + p and Pb+Pb collisions at [square root] s[subscript NN] = 5.02 TeV and reconstructed via the dimuon decay channel are measured using data collected by the CMS experiment. Double ratios are formed by comparing the yields of the excited states, [upsilon](2S) and [upsilon](3S), to the ground state, [upsilon](1S), in both Pb+Pb and p + p collisions at the same energy. The double ratios, [[upsilon](nS)/[upsilon](1S)][subscript PbPb] /[[upsilon](nS)/[upsilon](1S)][subscript pp] ,are measured to be 0.308 ± 0.055 (stat) ± 0.019 (syst) for the [upsilon](2S) and less than 0.26 at 95% confidence level for the [upsilon](3S). The double ratios are studied as a function of collision centrality, as well as dimuon transverse momentum, and rapidity. As a function ofcollision centrality the [upsilon](2S) double ratio is consistent with unity in the most peripheral (70–100%) bin and is consistent with zero in the most central (0–5%) bin. The [upsilon](2S) double ratio is consistent with a constant dependence on the kinematic variables, with a large suppression seen throughout the studied kinematic range. No significant [upsilon](3S) signal is found in the Pb+Pb data. The [upsilon](3S) double ratio is consistently below unity for all bins, including the most peripheral (50–100%) bin, indicating a strong suppression of the [upsilon](3S) relative to the [upsilon](1S).
 Production in P + P and Au + Au Collisions at \(\sqrt{s_{\mathrm{NN}}} PDF Online Free](https://books.google.com/books/content/images/frontcover/qlSbAQAACAAJ?fife=w200-h370)
Download or read book Measurement of [Upsilon](1S + 2S +3S) Production in P + P and Au + Au Collisions at \(\sqrt{s_{\mathrm{NN}}} written by and published by . This book was released on 2015 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Measurements of bottomonium production in heavy-ion and p+p collisions at the Relativistic Heavy Ion Collider (RHIC) are presented. The inclusive yield of the three [Upsilon] states, [Upsilon](1S + 2S + 3S), was measured in the PHENIX experiment via electron-positron decay pairs at midrapidity for Au+Au and p+p collisions at \(\sqrt{s_{\mathrm{NN}}}=200\) GeV. The [Upsilon](1S + 2S + 3S) 2!ee− differential cross section at midrapidity was found to be Beed[sigma]/dy = 108 ± 38 (stat) ± 15 (syst) ± 11 (luminosity) pb in p+p collisions. The nuclear modification factor in the 30% most central Au+Au collisions indicates a suppression of the total [Upsilon] state yield relative to the extrapolation from p+p collision data. Thus, the suppression is consistent with measurements at higher energies by the CMS experiment at the Large Hadron Collider.
Download or read book Measurements of the Charm Jet Cross Section and Nuclear Modification Factor in PPb Collisions at √sNN written by and published by . This book was released on 2016 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
