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Showing 1 to 8 of 8 for “"fragmentation function"”.
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Detailed characterization of jets in heavy ion collisions using jet fragmentation functions
In this thesis the jet fragmentation function of inclusive jets with transverse momentum PT > 100 GeV/c in PbPb collisions is measured for reconstructed charged particles with PT > 1 GeV/c within the jet cone. A data sample of PbPb collisions collected in 2011 at a center-of-mass energy of [square …
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Studying the Quark Structure of the Proton in High Energy Proton-Proton Collisions at RHIC
… combines the transversity distribution function and a polarized di-hadron fragmentation function, therefore can be included in the global analysis as an independent measurement of quark transversity. Di-hadron single spin symmetries from currently available data sample are calculated for …
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Dihadron Fragmentation Functions In Proton-Proton Collisions At The Relativistic Heavy Ion Collider (rhic)
… is related to the ratio of the dihadron fragmentation function to the single one. As such, dihadron fragmentation functions shall provide a better basis for the interpretation of the near-side correlations. Dihadron fragmentation functions also also provide a baseline of such measurements …
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Data-driven extraction of the substructure of quark and gluon jets in proton-proton and heavy-ion collisions
… jet substructures, such as jet shapes and jet fragmentation function, could be extracted using this data-driven method. This proof-of-concept study is based on proton-proton and heavy-ion collision events from the PYQUEN generator with statistics accessible in Run 4 of the Large Hadron …
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MEASUREMENTS OF TRANSVERSE SPIN DEPENDENT DI-PION AZIMUTHAL CORRELATION ASYMMETRY AND UNPOLARIZED DI-PION CROSS-SECTION IN PROTON-PROTON COLLISIONS AT A CENTER-OF-MASS ENERGY OF 200 GeV AT STAR
The transversity distribution function, $h_1^{q}(x)$, where $x$ is the longitudinal momentum fraction of the proton carried by quark $q$, encodes the proton's transverse spin structure at leading twist. Difficulties arise when extracting $h_1^q(x)$ due to its chiral-odd nature. However, it can be …
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Transverse Spin Structure of the Proton Studied in Semi–inclusive DIS
… object, e.g., to the so-called Collins fragmentation function in semi-inclusive deep-inelastic scattering (DIS). This gives rise to a left-right asymmetry in the cross-section for a transversely polarised nucleon. Another source of an azimuthal single-spin asymmetry is the so-called …
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Direct Jet Reconstruction in Proton-Proton and Copper-Copper Collisions at √sNN = 200 GeV
… inclusive jet spectrum, the proton-proton fragmentation function, the copper-copper jet nuclear modification factor, the copper-copper jet central-to-peripheral modification factor, and the copper-copper dijet azimuthal correlation. The measured copper-copper jet nuclear modification factor …
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Measurement of target single-spin asymmetry in charged kaon electroproduction on a transversely polarized 3He target
… the novel transverse-momentum-dependent Sivers function in the neutron. A semi-inclusive deep inelastic scattering experiment was performed at the Hall A of the Jefferson laboratory using 5.9 GeV electron beam and a transversely polarized ^{3}He target. The scattered electrons and the produced …