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Title: Using Drell-Yan to probe the underlying event in Run II at Collider Detector at Fermilab (CDF)

Abstract

We study the behavior of charged particles produced in association with Drell-Yan lepton-pairs in the region of the Z-boson in proton-antiproton collisions at 1.96 TeV. We use the direction of the Z-boson in each event to define 'toward', 'away', and 'transverse' regions. For Drell-Yan production (excluding the leptons) both the 'toward' and 'transverse' regions are very sensitive to the 'underlying event', which is defined as everything except the two hard scattered components. The data are corrected to the particle level and are then compared with several PYTHIA models (with multiple parton interactions) and HERWIG (without multiple parton interactions) at the particle level (i.e. generator level). The data are also compared with a previous analysis on the behavior of the 'underlying event' in high transverse momentum jet production. The goal is to produce data that can be used by the theorists to tune and improve the QCD Monte-Carlo models of the 'underlying event' that are used to simulate hadron-hadron collisions.

Authors:
 [1]
  1. Univ. of Florida, Gainesville, FL (United States)
Publication Date:
Research Org.:
Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
944231
Report Number(s):
FERMILAB-THESIS-2008-54
TRN: US0900538
DOE Contract Number:  
AC02-07CH11359
Resource Type:
Thesis/Dissertation
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; CHARGED PARTICLES; FERMILAB COLLIDER DETECTOR; LEPTONS; PROBES; PRODUCTION; QUANTUM CHROMODYNAMICS; TRANSVERSE MOMENTUM; Experiment-HEP

Citation Formats

Kar, Deepak. Using Drell-Yan to probe the underlying event in Run II at Collider Detector at Fermilab (CDF). United States: N. p., 2008. Web. doi:10.2172/944231.
Kar, Deepak. Using Drell-Yan to probe the underlying event in Run II at Collider Detector at Fermilab (CDF). United States. https://doi.org/10.2172/944231
Kar, Deepak. 2008. "Using Drell-Yan to probe the underlying event in Run II at Collider Detector at Fermilab (CDF)". United States. https://doi.org/10.2172/944231. https://www.osti.gov/servlets/purl/944231.
@article{osti_944231,
title = {Using Drell-Yan to probe the underlying event in Run II at Collider Detector at Fermilab (CDF)},
author = {Kar, Deepak},
abstractNote = {We study the behavior of charged particles produced in association with Drell-Yan lepton-pairs in the region of the Z-boson in proton-antiproton collisions at 1.96 TeV. We use the direction of the Z-boson in each event to define 'toward', 'away', and 'transverse' regions. For Drell-Yan production (excluding the leptons) both the 'toward' and 'transverse' regions are very sensitive to the 'underlying event', which is defined as everything except the two hard scattered components. The data are corrected to the particle level and are then compared with several PYTHIA models (with multiple parton interactions) and HERWIG (without multiple parton interactions) at the particle level (i.e. generator level). The data are also compared with a previous analysis on the behavior of the 'underlying event' in high transverse momentum jet production. The goal is to produce data that can be used by the theorists to tune and improve the QCD Monte-Carlo models of the 'underlying event' that are used to simulate hadron-hadron collisions.},
doi = {10.2172/944231},
url = {https://www.osti.gov/biblio/944231}, journal = {},
number = ,
volume = ,
place = {United States},
year = {Mon Dec 01 00:00:00 EST 2008},
month = {Mon Dec 01 00:00:00 EST 2008}
}

Thesis/Dissertation:
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