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You searched for +publisher:"Wayne State University" +contributor:("Abhijit Majumder"). Showing records 1 – 2 of 2 total matches.

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Wayne State University

1. Kordell Ii, Michael Charles. Monte-Carlo Event Generators For Jet Modification In D(p)-A And A-A Collisions.

Degree: PhD, Physics and Astronomy, 2017, Wayne State University

This work outlines methods to use jet simulations to study both initial and final state nuclear effects in heavy-ion collisions. To study the initial state of heavy-ion collisions, the production of jets and high momentum hadrons from jets, produced in deuteron (d)-Au collisions at the relativistic heavy-ion collider (RHIC) and proton (p)-Pb collisions at the large hadron collider (LHC) are studied as a function of \emph{centrality}, a measure of the impact parameter of the collision. A modified version of the event generator PYTHIA, widely used to simulate p-p collisions, is used in conjunction with a nuclear Monte-Carlo event generator which simulates the locations of the nucleons within a large nucleus. It is demonstrated how events with a hard jet may be simulated, in such a way that the parton distribution function of the projectile is frozen during its interaction with the extended nucleus. Using this approach, it is demonstrated that the puzzling enhancement seen in peripheral events at RHIC and the LHC, as well as the suppression seen in central events at the LHC are mainly due to \emph{mis}-binning of central and semi-central events, containing a jet, as peripheral events. This occurs due to the suppression of soft particle production away from the jet, caused by the depletion of energy available in a nucleon of the deuteron (in d-Au at RHIC) or in the proton (in p-Pb at LHC), after the production of a hard jet. In conclusion, partonic correlations built out of simple energy conservation are responsible for such an effect, though these are sampled at the hard scale of jet production and, as such, represent smaller states. To study final state nuclear effects, the modification of hard jets in the Quark Gluon Plasma (QGP) is simulated using the MATTER event generator. Based on the higher twist formalism of energy loss, the MATTER event generator simulates the evolution of highly virtual partons through a medium. These partons sampled from an underlying PYTHIA kernel undergo splitting through a combination of vacuum and medium induced emission. The momentum exchange with the medium is simulated via the jet transport coefficient q̂, which is assumed to scale with the entropy density at a given location in the medium. The entropy density is obtained from a relativistic viscous fluid dynamics simulation (VISH2+1D) in 2+1 space time dimensions. Results for jet and hadron observables are presented using an independent fragmentation model. Advisors/Committee Members: Abhijit Majumder.

Subjects/Keywords: Nuclear

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6th Edition):

Kordell Ii, M. C. (2017). Monte-Carlo Event Generators For Jet Modification In D(p)-A And A-A Collisions. (Doctoral Dissertation). Wayne State University. Retrieved from https://digitalcommons.wayne.edu/oa_dissertations/1825

Chicago Manual of Style (16th Edition):

Kordell Ii, Michael Charles. “Monte-Carlo Event Generators For Jet Modification In D(p)-A And A-A Collisions.” 2017. Doctoral Dissertation, Wayne State University. Accessed June 20, 2019. https://digitalcommons.wayne.edu/oa_dissertations/1825.

MLA Handbook (7th Edition):

Kordell Ii, Michael Charles. “Monte-Carlo Event Generators For Jet Modification In D(p)-A And A-A Collisions.” 2017. Web. 20 Jun 2019.

Vancouver:

Kordell Ii MC. Monte-Carlo Event Generators For Jet Modification In D(p)-A And A-A Collisions. [Internet] [Doctoral dissertation]. Wayne State University; 2017. [cited 2019 Jun 20]. Available from: https://digitalcommons.wayne.edu/oa_dissertations/1825.

Council of Science Editors:

Kordell Ii MC. Monte-Carlo Event Generators For Jet Modification In D(p)-A And A-A Collisions. [Doctoral Dissertation]. Wayne State University; 2017. Available from: https://digitalcommons.wayne.edu/oa_dissertations/1825


Wayne State University

2. Burke, Karen Marie. Determination Of Jet Transport Parameters And Their Temperature Dependence In Heavy-Ion Collisions.

Degree: MS, Physics and Astronomy, 2014, Wayne State University

In the continuing effort to describe properties of the quark-gluon plasma, energy loss is studied through leading order higher twist calculations of high transverse momentum single hadron suppression. Input of several values for the jet transport parameter q ̂ were used at pT ranges of ~5-20 GeV at RHIC and ~10-100 GeV at LHC, with collision centrality of 0-5%. The results of the calculations are then compiled and compared with experimental data to determine the best fit value for q ̂. Advisors/Committee Members: Abhijit Majumder.

Subjects/Keywords: Heavy Ion Collisions; High Energy Nuclear Physics; Jet Quenching; Nuclear Modification; Parton Energy Loss; Elementary Particles and Fields and String Theory; Nuclear

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6th Edition):

Burke, K. M. (2014). Determination Of Jet Transport Parameters And Their Temperature Dependence In Heavy-Ion Collisions. (Masters Thesis). Wayne State University. Retrieved from https://digitalcommons.wayne.edu/oa_theses/342

Chicago Manual of Style (16th Edition):

Burke, Karen Marie. “Determination Of Jet Transport Parameters And Their Temperature Dependence In Heavy-Ion Collisions.” 2014. Masters Thesis, Wayne State University. Accessed June 20, 2019. https://digitalcommons.wayne.edu/oa_theses/342.

MLA Handbook (7th Edition):

Burke, Karen Marie. “Determination Of Jet Transport Parameters And Their Temperature Dependence In Heavy-Ion Collisions.” 2014. Web. 20 Jun 2019.

Vancouver:

Burke KM. Determination Of Jet Transport Parameters And Their Temperature Dependence In Heavy-Ion Collisions. [Internet] [Masters thesis]. Wayne State University; 2014. [cited 2019 Jun 20]. Available from: https://digitalcommons.wayne.edu/oa_theses/342.

Council of Science Editors:

Burke KM. Determination Of Jet Transport Parameters And Their Temperature Dependence In Heavy-Ion Collisions. [Masters Thesis]. Wayne State University; 2014. Available from: https://digitalcommons.wayne.edu/oa_theses/342

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