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Properties Of Events Containing A Photon And Several Jets Seen In Pbar P Collisions At Square Roots
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Book Synopsis Properties of Events Containing a Photon and Several Jets Seen in P{bar P} Collisions at (square Root)s by :
Download or read book Properties of Events Containing a Photon and Several Jets Seen in P{bar P} Collisions at (square Root)s written by and published by . This book was released on 1993 with total page 172 pages. Available in PDF, EPUB and Kindle. Book excerpt: The CDF detector is used to investigate the properties of events containing a photon and two jets. The rate of photon +2 jet production is higher than the theoretical calculation, but the shape of the events agrees with QCD predictions.
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1995 with total page 692 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Properties of Events Containing a Photon and Several Jets Seen in Anti-P P Collisions at S**(1/2) by :
Download or read book Properties of Events Containing a Photon and Several Jets Seen in Anti-P P Collisions at S**(1/2) written by and published by . This book was released on 1993 with total page 153 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Properties of Events Containing a Photon and Several Jets Seen in P{bar P} Collisions at {radical}s by :
Download or read book Properties of Events Containing a Photon and Several Jets Seen in P{bar P} Collisions at {radical}s written by and published by . This book was released on 1993 with total page 172 pages. Available in PDF, EPUB and Kindle. Book excerpt: The CDF detector is used to investigate the properties of events containing a photon and two jets. The rate of photon +2 jet production is higher than the theoretical calculation, but the shape of the events agrees with QCD predictions.
Book Synopsis Fragmentation Properties of Jets Produced in Pp Collisions at [square Root Sign] S by : Bradley Hubbard
Download or read book Fragmentation Properties of Jets Produced in Pp Collisions at [square Root Sign] S written by Bradley Hubbard and published by . This book was released on 1989 with total page 246 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Properties of Jets in High Et Events Produced in Pp Collisions at Square Root S by :
Download or read book Properties of Jets in High Et Events Produced in Pp Collisions at Square Root S written by and published by . This book was released on 1983 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Center-of-mass Angular Distribution of Prompt Photons Produced in P{bar P} Collisions at (square Root)s by :
Download or read book The Center-of-mass Angular Distribution of Prompt Photons Produced in P{bar P} Collisions at (square Root)s written by and published by . This book was released on 1993 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt: Data taken with the Collider Detector at Fermilab (CDF) during the 1992--1993 run of the Tevatron are used to measure the distribution of the center-of-mass angle between isolated prompt photons and the beam direction. The shape of the angular distribution for photon-jet events is found to differ from the predictions of NLO QCD.
Book Synopsis Multijet Cross Section Ratios in Pbar P Collisions at Square Root S by :
Download or read book Multijet Cross Section Ratios in Pbar P Collisions at Square Root S written by and published by . This book was released on 2000 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: 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].
Book Synopsis Search for Anomalous Production of Photon + Jets + Missing Transverse Energy in $p\bar{p}$ Collisions at $\sqrt{s} by :
Download or read book Search for Anomalous Production of Photon + Jets + Missing Transverse Energy in $p\bar{p}$ Collisions at $\sqrt{s} written by and published by . This book was released on 2011 with total page 216 pages. Available in PDF, EPUB and Kindle. Book excerpt: A model-independent signature-based search for physics beyond the Standard Model is performed in the photon~+ jets~+ missing transverse energy channel in \ppbar collisions at a center of mass energy of 1.96 TeV using the CDF II detector. Events with a photon + jets are predicted by the Standard Model and also by many theoretical models beyond the Standard Model. In the Standard Model, the main mechanisms for photon~+ jets production include quark-antiquark annihilation and quark-gluon scattering. No intrinsic missing transverse energy is present in any of these Standard Model processes. In this search, photon~+ $\geq$1 jet and photon~+ $\geq$2 jet events are analyzed with and without a minimum requirement on the missing transverse energy. Numerous mass distributions and kinematic distributions are studied and no significant excess over the background prediction is found. All results indicate good agreement with expectations of the Standard Model.
Book Synopsis A Study of Parton Distribution Functions with the Use of Photon + Jet Event Kinematics in P[bar P] Collisions at [radical] by :
Download or read book A Study of Parton Distribution Functions with the Use of Photon + Jet Event Kinematics in P[bar P] Collisions at [radical] written by and published by . This book was released on 2005 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: We have measured the leading jet pseudorapidity distribution in photon + jet events selected from the inclusive direct photon event sample. The data are from p[bar p] collisions at [radical]s = 1.8 TeV recorded with CDF in the 1992--1993 run. This measurement has been used to study the behavior of current parton distribution sets in selected kinematic regions. The parton distribution sets CTEQ2M and MRSD0 are currently favored by this measurement.
Book Synopsis Properties of Jets in Z Events from 1.8 TeV Bar Pp Collisions by :
Download or read book Properties of Jets in Z Events from 1.8 TeV Bar Pp Collisions written by and published by . This book was released on 1994 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Soft and Hard Interactions in P {bar P} Collisions at (square Root)s by :
Download or read book Soft and Hard Interactions in P {bar P} Collisions at (square Root)s written by and published by . This book was released on 2000 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Proton-antiproton events collected with the CDF minimum-bias trigger at (square root)(s) = 1800 and 630 GeV are studied splitting the full event sample in a soft subsample of events with no energy clusters above 1.1 GeV and in the subsample of the remaining events. Detailed and precise analyses of the multiplicity and transverse momentum distributions as well as of the correlation of the average pt and of its dispersion with the multiplicity are performed for the two samples. Comparisons of the results and of their dependence from the center of mass energy show clear differences in their behaviors. The results support important and unexpected scaling properties of the soft sample.
Book Synopsis A Study of Four-jet Events and Search for Double Parton Interactions at [radical] by :
Download or read book A Study of Four-jet Events and Search for Double Parton Interactions at [radical] written by and published by . This book was released on 1992 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt: Kinematic properties of four-jet events in p[bar p] collisions at [radical]s = 1.8 TeV are compared with the predictions of leading order quantum chromodynamics. We place an upper limit on the double parton scattering cross of [sigma][sub DP] 120 nb (95% C.L.) for partons with transverse momenta greater than 18 GeV/c. Defining the effective cross section [sigma][sub eff] through the equation of [sigma][sub eff] = [sigma][sub DP] = [sigma][sub dijet]/([sup 2]/[sigma][sub eff]), where [sigma][sub dijet] is the cross section for two-jets events, the limit [sigma][sub eff] 3.9 mb (95% C.L.) is also placed. Implications for physics at the SSC ([radical]s = 40 TeV) are discussed.
Book Synopsis Properties of Jets in High-E#VT Events Produced in Pp Collisions at Sqrt(s) by : T. Åkesson
Download or read book Properties of Jets in High-E#VT Events Produced in Pp Collisions at Sqrt(s) written by T. Åkesson and published by . This book was released on 1984 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Science Citation Index written by and published by . This book was released on 1992 with total page 2376 pages. Available in PDF, EPUB and Kindle. Book excerpt: Vols. for 1964- have guides and journal lists.
Book Synopsis A Search for New Physics in Photon-lepton Events in Proton-antiproton Collisions At[radical] S by :
Download or read book A Search for New Physics in Photon-lepton Events in Proton-antiproton Collisions At[radical] S written by and published by . This book was released on 2003 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: We present the results of a search in p[bar p] collisions at[radical]s= 1.8 TeV for anomalous production of events containing a photon with large transverse energy and a lepton (e or[mu]) with large transverse energy, using 86 pb[sup -1] of data collected at the Collider Detector at Fermilab during the 1994-95 collider run at the Fermilab Tevatron. The presence of large missing transverse energy (E[sub T]), additional photons, or additional leptons in these events is also analyzed. The results are consistent with standard model expectations, with the possible exception of photon-lepton events with large E[sub T], for which the probability of a statistical fluctuation of the standard model expectation up to and above the observed level is 0.7%.
Download or read book Kostof, Spiro, 1936-1991 written by and published by . This book was released on with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The folder may include clippings, announcements, small exhibition catalogs, and other ephemeral items.
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