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Showing 1 to 20 of 92 for “"two-particle"”.
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Two particle distributions in jets
Submitted by Carolyn Mead (cmead2@illinois.edu) on 2011-06-20T21:13:03Z No. of bitstreams: 1 1980_willen.pdf: 3939411 bytes, checksum: 1194b34dfce854bcbde571876c62b6a6 (MD5)
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Two-particle level diagrammatic approaches for strongly correlated systems
… approaches at both the one and the two-particle level such as the parquet formalism. The parquet formalism was solved for the first time on a two-dimensional cluster. When the fully irreducible vertex is approximated by the bare vertex, we obtain the parquet approximation. Its …
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Regge pole and K-matrix models for two particle reactions
A generalized expression far Reggeized helicity amplitudes is presented. It is found that the kinematic t-singularities of the amplitudes associated with a Regge trajectory for a given reaction are described by a single function whose origin can be easily understood in terms of angular momentum …
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Two Particle Correlations And The Ridge In Relativistic Heavy Ion Collisions
… Heavy Ion Collider (RHIC) find an enhancement of two particle correlations in relativistic heavy ion collisions, not present in proton-proton collisions. Because the correlation structure is wide in relative pseudorapidity and narrow in relative azimuthal angle, it is known as the ridge. The most …
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Centrality dependence of two-particle correlations in relativistic heavy ion collisions
Results on the centrality dependence of two-particle correlations in Au+Au collisions at ... 200GeV are presented. A particular focus is devoted to investigating any anomalous behavior in the centrality dependence of correlation functions, as previous results suggest existence of such tendencies …
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Two-Particle Correlations at 40, 80, and 158 AGeV Pb-Au Collisions
… this thesis, a centrality dependent study of tow-particle momentum correlations of like-sign pions (HBT interferometry) from Pb-Au collisions at beam energies of 40, 80 and 158 AGeV is presented. The three-dimensional correlation function C_2, depending on the relative momentum components of the …
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Two-particle correlation studies in heavy ion collisions at the Large Hadron Collider
<p>Results on two-particle angular correlations in pPb at [square root sNN] =5.02 TeV and PbPb collisions at [square root sNN] =2.76 TeV are reported. The long-range correlations in pseudorapidity (“ridge'') has been seen in various systems, including PbPb, pPb and pp systems. In this thesis, …
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Control study of two-particle correlations in heavy ion collisions at RHIC-PHENIX
… of jets in a heavy ion environment using the two- particle correlation method in the presence of a high-pT particle. These measurements have offered insight into the formation of a new state of dense nuclear matter called the Quark-Gluon Plasma (QGP) through the observation of jet quenching. …
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Perturbation theory of two particle bound states in QED for particles of spin ��� 1
… for the hydrogen atom to the case of any two particles of spin ≤ 1. In order to preserve the same general form of Salpeter's scheme the Kemmer-Duffin equations are used to describe the spin 1 or spin 0 particleso The general method involves separating out the single scalar photon exchange …
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Clustering phenomena from two-particle angular correlations in proton-proton and heavy ion collisions
Results on two-particle angular correlations in proton-proton (/-s = 200 and 410 GeV) ,Cu+Cu and Au+Au collisions (js = 200 GeV) are presented over a broad range of pseudorapidity ([eta]) and azimuthal angle ([phi]). The PHOBOS experiment at the Relativistic Heavy Ion Collider (RHIC) has a uniquely …
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Numerical Treatment of Schrödinger’s Equation for One-Particle and Two-Particle Systems Using Matrix Method
… of atoms.</p> <p>The test cases include both one-particle and two-particle systems. The singularity poses an issue in the computation by affecting the accuracy of energies and wavefunctions obtained. Higher-order differences and non-uniform meshes are implemented to resolve the issue, but they …
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Second Order And Fluctuating Hydrodynamic Theory Of Two-Particle Transverse Momentum Correlations In Nuclear Collisions
… and correlation measurements of the detected particles have played a very important role in revealing the properties of QGP. In particular, these measurements have shown that the QGP behaves like a nearly perfect liquid. Relativistic hydrodynamics has been successfully used to study how the …
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Perturbation Theory of Two Particle Bound States in Qed for Particles of Spin l.e. 1
Made available in DSpace on 2015-05-12T22:38:46Z (GMT). No. of bitstreams: 2 license.txt: 4848 bytes, checksum: 96035ab3f5e1c23cc7138a224ce498bd (MD5) 7212276.PDF: 1798069 bytes, checksum: 9fc3a98b6dcf1dd9e749159675c599cf (MD5) Previous issue date: 1971
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Centrality dependence of two-particle number and transverse momentum correlations in 200 gev au+au collisions at rhic
<p>We present plots of the pattern of particle formation in $sqrt{s_{NN}}=200$ GeV Au+Au heavy ion collisions at the Relativistic Heavy Ion Collider (RHIC) using three different two-particle correlation measurements of number and transverse momentum as a function of relative azimuth, pseudorapidity …
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A study of jets at the STAR experiment at the relativistic heavy ion collider via two-particle correlations
… by measuring the angular correlation between particles at high transverse momentum. Differences in the yield and shape of the angular correlations as a function of system size give information on the medium produced in the collision. Such modifications can be used to infer the presence of a …
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A study of medium induced jet modificaiton at the relativistic heavy ion collider via two particle correlations and identified jet spectra
This work has studied the particle composition of jets by determining the ratios p±/π± and K±/π± in Au + Au and d + Au collisions at √sNN = 200 GeV measured by the STAR experiment at RHIC. Jets were found by measuring the angular azimuthal correlation between particles at high transverse momentum. …
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Exact and variational investigations of Hubbard rings
… electrons in a crystal lattice, using two methods: solution of the Lieb-Wu equations in the atomic limit of no intersite hopping, and variational techniques to obtain a lower bound for the ground state energy. From the Lieb-Wu equations we derive an exact expression for the ground state …
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Flow of [phi] mesons in pPb collisions at the LHC with the CMS detector
Measurements of two-particle angular correlations between unidentified charged particles and [phi]-mesons are shown over a wide pseudorapidity range ([delta] [eta] < 2) in pPb collisions. The data, collected during 2013 pPb run at a nucleon-nucleon center-ofmass energy of 5.02 TeV with the CMS …
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Using Z-hadron correlations to probe the medium response in PbPb and pp collisions at √ˢNN = 5.02 TeV
The first measurement of Z-hadron two-particle correlation function are reported in PbPb collisions at √ˢNN = 5.02 TeV, using the PbPb collision data taken in 2018. The integrated luminosity of the PbPb data is 1.67 ±0.03 nb⁻¹ which made the analysis possible for the first time. Collision data with …
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Measurement of non-flow correlations and elliptic flow fluctuations in Au+Au collisions at RHIC
Measurements of collective flow and two-particle correlations have proven to be effective tools for understanding the properties of the system produced in ultrarelativistic nucleus-nucleus collisions at the Relativistic Heavy Ion Collider (RHIC). Accurate modeling of the initial conditions of a …
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