A Study of Multi - Jet Production Ratios in P Anti-p Collisions at
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Total Pages | : 3 |
Release | : 1996 |
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Total Pages | : 3 |
Release | : 1996 |
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Release | : 2000 |
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We have measured the ratio of the three-jet to two-jet inclusive cross section as a function of the total transverse energy of jets (H[sub T]=[summation]E[sup j][sub T]) in events in p[anti p] collisions at [radical]s=1.8 TeV. We find that for [summation]E[sub T]>200 GeV there is a 70% probability of emitting an additional jet with E[sub T>20 GeV. Using this measurement and the framework of the theory of Quantum Chromodynamics (QCD), we investigated the size of the renormalization scale used to model emission of ''soft'' (low-E[sub T]) jets in multijet final states. The findings indicate that, to order [alpha][sub s][sup 3] in QCD the data favor a scale representative of the hard scattering rather than a softer scale of the order of the third jet's transverse momentum. The preferred scale is [mu][sub R][approx]1/4 H[sub T].
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Total Pages | : 31 |
Release | : 2005 |
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Total Pages | : 782 |
Release | : 1995 |
Genre | : Power resources |
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Author | : Mireia Crispín Ortuzar |
Publisher | : Springer |
Total Pages | : 194 |
Release | : 2016-08-25 |
Genre | : Science |
ISBN | : 3319434616 |
This book describes research in two different areas of state-of-the-art hadron collider physics, both of which are of central importance in the field of particle physics. The first part of the book focuses on the search for supersymmetric particles called gluinos. The book subsequently presents a set of precision measurements of “multi-jet” collision events, which involve large numbers of newly created particles, and are among the dominant processes at the Large Hadron Collider (LHC). Now that a Higgs boson has been discovered at the LHC, the existence (or non-existence) of supersymmetric particles is of the utmost interest and significance, both theoretically and experimentally. In addition, multi-jet collision events are an important background process for a wide range of analyses, including searches for supersymmetry.
Author | : Klaus Rabbertz |
Publisher | : Springer |
Total Pages | : 226 |
Release | : 2016-10-11 |
Genre | : Science |
ISBN | : 3319421158 |
This book reviews the latest experimental results on jet physics from proton-proton collisons at the LHC. Jets allow to determine the strong coupling constant over a wide range of energies up the highest ones possible so far, and to constrain the gluon parton distribution of the proton, both of which are important uncertainties on theory predictions in general and for the Higgs boson in particular.A novel approach in this book is to categorize the examined quantities according to the types of absolute, ratio, or shape measurements and to explain in detail the advantages and differences. Including numerous illustrations and tables the physics message and impact of each observable is clearly elaborated.
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Total Pages | : 994 |
Release | : 1995 |
Genre | : Aeronautics |
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Author | : United States. Energy Research and Development Administration |
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Total Pages | : 756 |
Release | : 1976 |
Genre | : Medicine |
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Total Pages | : 716 |
Release | : 1990 |
Genre | : Nuclear physics |
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Author | : Zygmunt Ajduk |
Publisher | : World Scientific |
Total Pages | : 1878 |
Release | : 1997-04-11 |
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ISBN | : 9814547107 |
The 28th conference from the Rochester series was the major high energy physics conference in 1996. Volume one contains short reports on new theoretical and experimental results. Volume two consists of the review talks presented in the plenary sessions.