Lepton Pair Production In Hadron Nucleus Collisions
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Author |
: |
Publisher |
: |
Total Pages |
: |
Release |
: 1988 |
ISBN-10 |
: OCLC:727309611 |
ISBN-13 |
: |
Rating |
: 4/5 (11 Downloads) |
Synopsis Lepton-pair Production in Hadron-nucleus Collisions by :
The general features of lepton pair production are reviewed. Physics motivations for precision measurements of lepton pair production in nuclei are discussed. Preliminary results from Fermilab experiment E772 are presented. The relevance of these results to the EMC effects and to J//psi/ suppression in heavy ion collisions is also discussed. 73 refs., 26 figs., 2 tabs.
Author |
: Ryszard Stroynowski |
Publisher |
: |
Total Pages |
: 50 |
Release |
: 1981 |
ISBN-10 |
: OCLC:1067562334 |
ISBN-13 |
: |
Rating |
: 4/5 (34 Downloads) |
Synopsis Lepton Pair Production in Hadron Collisions by : Ryszard Stroynowski
Author |
: J. Thanh Van Tran |
Publisher |
: Atlantica Séguier Frontières |
Total Pages |
: 400 |
Release |
: 1981 |
ISBN-10 |
: 2863320084 |
ISBN-13 |
: 9782863320082 |
Rating |
: 4/5 (84 Downloads) |
Synopsis Lepton Pair Production by : J. Thanh Van Tran
Author |
: Guido Altarelli |
Publisher |
: |
Total Pages |
: 0 |
Release |
: 1975 |
ISBN-10 |
: OCLC:1334559475 |
ISBN-13 |
: |
Rating |
: 4/5 (75 Downloads) |
Synopsis Lepton Pair Production in Hadron-Hadron Collisions from an Explicit Parton Model by : Guido Altarelli
Author |
: Jean Cleymans |
Publisher |
: |
Total Pages |
: 136 |
Release |
: 1978* |
ISBN-10 |
: OCLC:16319041 |
ISBN-13 |
: |
Rating |
: 4/5 (41 Downloads) |
Synopsis Proceedings of the Workshop on Lepton-Pair Production in Hadron-Hadron Collisions at the University of Bielefeld by : Jean Cleymans
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: |
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: |
Total Pages |
: 782 |
Release |
: 1995 |
ISBN-10 |
: MSU:31293011519166 |
ISBN-13 |
: |
Rating |
: 4/5 (66 Downloads) |
Synopsis Energy Research Abstracts by :
Author |
: Yee Bob Hsiung |
Publisher |
: |
Total Pages |
: 316 |
Release |
: 1986 |
ISBN-10 |
: OCLC:505728272 |
ISBN-13 |
: |
Rating |
: 4/5 (72 Downloads) |
Synopsis Nucleon-number Dependence of Massive Hadron Pair Production in 400 GeV/c Proton-nucleus Collisions by : Yee Bob Hsiung
Author |
: John Collins |
Publisher |
: Cambridge University Press |
Total Pages |
: 637 |
Release |
: 2011-04-28 |
ISBN-10 |
: 9781139500623 |
ISBN-13 |
: 1139500627 |
Rating |
: 4/5 (23 Downloads) |
Synopsis Foundations of Perturbative QCD by : John Collins
Giving an accurate account of the concepts, theorems and their justification, this book is a systematic treatment of perturbative QCD. It relates the concepts to experimental data, giving strong motivations for the methods. Ideal for graduate students starting their work in high-energy physics, it will also interest experienced researchers.
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: |
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: |
Total Pages |
: |
Release |
: 1973 |
ISBN-10 |
: OCLC:1065651978 |
ISBN-13 |
: |
Rating |
: 4/5 (78 Downloads) |
Synopsis Two Photon Production of Lepton Pairs in Hadron--hadron Collisions by :
Author |
: David Zaslavsky |
Publisher |
: |
Total Pages |
: |
Release |
: 2014 |
ISBN-10 |
: OCLC:904727816 |
ISBN-13 |
: |
Rating |
: 4/5 (16 Downloads) |
Synopsis Probing Hadron Structure in Proton-nucleus Collisions by : David Zaslavsky
Understanding the behavior of large atomic nuclei (heavy ions) in high-energy collisions has been the focus of a concerted research effort over the past 10-15 years. Much of the latest progress in the field has centered around transverse momentum-dependent (or "unintegrated") parton distributions: in particular the prediction of the high-energy behavior of these distributions, in the form of the Balitsky-JIMWLK equations, and the development of the hybrid factorization framework, which connects the unintegrated parton distributions to predictions for experimentally measured cross sections. With the advent of high-energy proton-nucleus collisions at RHIC and the LHC, we are able to experimentally test these predictions for the first time. In this dissertation, I show two case studies of these predictions, to illustrate the use of the hybrid factorization at leading and next-to-leading order.First, as a simple example, I analyze the azimuthal angular correlation for a Drell-Yan process, the production of a lepton pair with an associated hadron. The correlation for back-to-back emission turns out to be determined by the low-momentum region of the unintegrated gluon distribution, and the correlation for parallel emission is determined by the high-momentum region. Accordingly, a proper prediction of the correlation at all angles requires a gluon distribution with physically realistic behavior at both high and low momenta. Furthermore, the properties of the central double peak that emerges in Drell-Yan production can provide some insight into the form of the gluon distribution.I'll then describe a numerical calculation of the cross section for inclusive hadron production, which incorporates all corrections up to next-to-leading order in the strong coupling. This calculation illustrates several obstacles presented by subleading terms, including the removal of divergences by renormalizing the integrated and unintegrated parton distributions. The results of the calculation are negative at high transverse momentum, which is surprising but may be mathematically reasonable, since the perturbative approximation to the cross section may break down under those kinematic conditions. However, it may be possible to make meaningful predictions for the nuclear modification ratio R_pA despite the negative cross section.Moving beyond next-to-leading order, it may be possible to cure the negativity of the inclusive hadron cross section by altering the formulas used. I'll show two possible methods of doing so: first, a straightforward resummation of selected higher-order terms corresponding to gluon loop diagrams is able to mitigate the negativity, though it requires some alterations of unclear theoretical origin. A more promising alternative seems to be use of exact kinematic definitions, incorporating terms which disappear in the infinite-energy limit; this constrains the kinematics to eliminate the region of phase space which most strongly contributes to the negativity. In this way, the calculation can be adapted to produce reasonable results at high transverse momentum.