Investigating Charm Production And Fragmentation Via Azimuthal Correlations Of Prompt D Mesons With Charged Particles In Pp Collisions At S
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Investigating Charm Production And Fragmentation Via Azimuthal Correlations Of Prompt D Mesons With Charged Particles In Pp Collisions At S
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Author : Shreyasi Acharya
language : en
Publisher:
Release Date : 2022
Investigating Charm Production And Fragmentation Via Azimuthal Correlations Of Prompt D Mesons With Charged Particles In Pp Collisions At S written by Shreyasi Acharya and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022 with categories.
High Energy Physics Index
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Author :
language : en
Publisher:
Release Date : 1988
High Energy Physics Index written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988 with Nuclear physics categories.
Physics Briefs
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Author :
language : en
Publisher:
Release Date : 1994
Physics Briefs written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with Physics categories.
Dissertation Abstracts International
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Author :
language : en
Publisher:
Release Date : 1996
Dissertation Abstracts International written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996 with Dissertations, Academic categories.
Azimuthal Correlations Of Prompt D Mesons With Charged Particles In Pp And P Pb Collisions At Snn
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Author : Shreyasi Acharya
language : en
Publisher:
Release Date : 2020
Azimuthal Correlations Of Prompt D Mesons With Charged Particles In Pp And P Pb Collisions At Snn written by Shreyasi Acharya and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020 with categories.
Characteristics Of Charm Particles Produced By 800 Gev P P Collisions
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Author : Ai Gia Nguyen
language : en
Publisher:
Release Date : 1988
Characteristics Of Charm Particles Produced By 800 Gev P P Collisions written by Ai Gia Nguyen and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988 with Nuclear reactions categories.
Charm Production And Fragmentation Fractions At Midrapidity In Pp Collisions At S
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Author : Shreyasi Acharya
language : en
Publisher:
Release Date : 2023
Charm Production And Fragmentation Fractions At Midrapidity In Pp Collisions At S written by Shreyasi Acharya and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023 with categories.
Correlations Between The Production Of Prompt Positrons At Low Transverse Momentum And The Associated Charged Multiplicity
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Author :
language : en
Publisher:
Release Date : 1986
Correlations Between The Production Of Prompt Positrons At Low Transverse Momentum And The Associated Charged Multiplicity written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1986 with categories.
The production of prompt positrons in pp-collisions at .sqrt.s = 63 GeV and y - 0 has been measured as a function of the associated charged particle multiplicity over the P/sub T/ internal 0.12
Studies Of Azimuthal Dihadron Correlations In Ultra Central Pbpb Collisions At Sqrt S Nn
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Author :
language : en
Publisher:
Release Date : 2014
Studies Of Azimuthal Dihadron Correlations In Ultra Central Pbpb Collisions At Sqrt S Nn written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014 with categories.
Azimuthal dihadron correlations of charged particles have been measured in PbPb collisions at $\sqrt{s_{NN}}$ = 2.76 TeV by the CMS collaboration, using data from the 2011 LHC heavy-ion run. The data set includes a sample of ultra-central (0-0.2% centrality) PbPb events collected using a trigger based on total transverse energy in the hadron forward calorimeters and the total multiplicity of pixel clusters in the silicon pixel tracker. A total of about 1.8 million ultra-central events were recorded, corresponding to an integrated luminosity of 120 inverse microbarns. The observed correlations in ultra-central PbPb events are expected to be particularly sensitive to initial-state fluctuations. The single-particle anisotropy Fourier harmonics, from $v_2$ to $v_6$, are extracted as a function of particle transverse momentum. At higher transverse momentum, the $v_2$ harmonic becomes significantly smaller than the higher-order $v_n$ (n greater than or equal to 3). The pt-averaged $v_2$ and $v_3$ are found to be equal within 2%, while higher-order $v_n$ decrease as n increases. The breakdown of factorization of dihadron correlations into single-particle azimuthal anisotropies is observed. This effect is found to be most prominent in the ultra-central PbPb collisions, where the initial-state fluctuations play a dominant role. As a result, a comparison of the factorization data to hydrodynamic predictions with event-by-event fluctuating initial conditions is also presented.
Study Of Correlations Between Photoproduced Pairs Of Charmed Particles At Experiment E831 Focus
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Author :
language : en
Publisher:
Release Date : 2008
Study Of Correlations Between Photoproduced Pairs Of Charmed Particles At Experiment E831 Focus written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with categories.
The authors present the study of the charm-pair correlations produced in photon-nucleon interactions at $\langle$E[gamma]$\rangle$ = 175 GeV/c, by the Fermilab fixed target experiment E831/FOCUS. The E831/FOCUS experiment produced and reconstructed over one million charm particles. This high statistics allows the reconstruction of more than 7000 charm-pair mesons D$\bar{D}$, 10 times the statistic of former experiments, and also allows to get, for the first time, about 600 totally reconstructed charm-pairs in the DDs and D[Lambda]c channels. They were able to study, with some detail, the kinematical correlations between the charm and anticharm particle forming a pair, in the square transverse momentum (pT2), azimuthal angle difference ([Delta][Phi]), rapidity difference ([Delta]y) and the charm-pair mass variables. They observe some correlation for the longitudinal momenta, and a significant correlation for the transverse momenta of the charm and anticharm particles. They compare the experimental distributions with theoretical predictions based on the photon-gluon fusion model (PGF), for the production of c$\bar{c}$ quarks, and the standard Lund hadronization model. These models are implemented by the PYTHIA Monte Carlo event generator. The PYTHIA program allows the inclusion, in the simulation, of non-perturbative effects that have been shown to be important for charm production. In order to compare data and simulation, they have generated two Monte Carlo samples, the first one set to favor the production of D$\bar{D}$ pairs (MCDD2), and the second one set to favor the production of DDsand D[Lambda]c pairs, where each one uses different functions and parameters values for the theoretical models in the simulation. They observe, for the correlation distributions, that the set of parameters used by the MCDD2 model together with the intrinsic transverse momentum (k$\perp$) of the partons inside the nucleons, has a better agreement with data distributions than the one used by the MCDSLC model. Finally, the relative pair/anti-pair yield production ratio is calculated for five sets of charm-pairs, D+D0, D+Ds-, D0Ds-, D+[Lambda]c- e D0[Lambda]c-, both for data as well as for the two Monte Carlo samples. They observe that the MCDSLC model predicts charm-pair yield production ratios closer to the yield ratios data than the MCDD2 model.