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A Study Of High Transverse Momentum Direct Photon Production From Beryllium And Copper Targets With 530 Gev C Incident Pi And Proton Beams
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Book Synopsis A Study of High Transverse Momentum Direct Photon Production from Beryllium and Copper Targets with 530 GeV/c Incident [pi] ̄and Proton Beams by : Eric Jon Prebys
Download or read book A Study of High Transverse Momentum Direct Photon Production from Beryllium and Copper Targets with 530 GeV/c Incident [pi] ̄and Proton Beams written by Eric Jon Prebys and published by . This book was released on 1990 with total page 308 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis High Transverse Momentum Direct Photon Production at Fermilab Fixed-Target Energies by :
Download or read book High Transverse Momentum Direct Photon Production at Fermilab Fixed-Target Energies written by and published by . This book was released on 2005 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis describes a study of the production of high transverse momentum direct photons and [pi][sup 0] mesons by proton beams at 530 and 800 GeV/c and [pi][sup -] beams at 515 GeV/c incident on beryllium, copper, and liquid hydrogen targets. The data were collected by Fermilab experiment E706 during the 1990 and 1991-92 fixed target runs. The apparatus included a large, finely segmented lead and liquid argon electromagnetic calorimeter and a charged particle spectrometer featuring silicon strip detectors in the target region and proportional wire chambers and drift tubes downstream of a large aperture analysis magnet. The inclusive cross sections are presented as functions of transverse momentum and rapidity. The measurements are compared with next-to-leading order perturbative QCD calculations and to results from previous experiments.
Book Synopsis Production of High Transverse Momentum [pi]0 Mesons in Interactions of 530 GeV/c Proton and [pi] ̄beams on Beryllium and Copper Targets by : Carlos M. Yosef
Download or read book Production of High Transverse Momentum [pi]0 Mesons in Interactions of 530 GeV/c Proton and [pi] ̄beams on Beryllium and Copper Targets written by Carlos M. Yosef and published by . This book was released on 1990 with total page 336 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Direct Photon and Neutral Meson Production at High Transverse Momentum by Negative 515 GeV/c Pions and 530 GeV/c Protons Incident Upon Hydrogen, Beryllium, and Copper Targets by : George B. Osborne
Download or read book Direct Photon and Neutral Meson Production at High Transverse Momentum by Negative 515 GeV/c Pions and 530 GeV/c Protons Incident Upon Hydrogen, Beryllium, and Copper Targets written by George B. Osborne and published by . This book was released on 1996 with total page 392 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis High Transverse Momentum Direct Photon Production at Fermilab Fixed-target Energies by : Leonard Apanasevich
Download or read book High Transverse Momentum Direct Photon Production at Fermilab Fixed-target Energies written by Leonard Apanasevich and published by . This book was released on 2005 with total page 674 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Large Transverse Momentum Direct Photon, Pi O and N Production with a Carbon Target by : Stephen R. W. Cooper
Download or read book Large Transverse Momentum Direct Photon, Pi O and N Production with a Carbon Target written by Stephen R. W. Cooper and published by . This book was released on 1985 with total page 246 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Nuclear Effects in High-p(T) Production of Direct Photons and Neutral Mesons by :
Download or read book Nuclear Effects in High-p(T) Production of Direct Photons and Neutral Mesons written by and published by . This book was released on 2005 with total page 15 pages. Available in PDF, EPUB and Kindle. Book excerpt: The authors present results on the production of direct photons,?°,? mesons on nuclear targets at large transverse momenta (p{sub T}). The data are from 530 and 800 GeV/c proton beams and 515 GeV/c?− beams incident upon copper and beryllium targets that span the kinematic range of 1.0
Book Synopsis High Transverse Momentum [pi] ̊production from [pi] ̄and P Beams at 530 GeV/c on Be and Cu by : John Philip Mansour
Download or read book High Transverse Momentum [pi] ̊production from [pi] ̄and P Beams at 530 GeV/c on Be and Cu written by John Philip Mansour and published by . This book was released on 1989 with total page 262 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Double Prompt Photon Production at High Transverse Momentum by [pi]/sup /minus// on Protons at 280 GeV/c by :
Download or read book Double Prompt Photon Production at High Transverse Momentum by [pi]/sup /minus// on Protons at 280 GeV/c written by and published by . This book was released on 1988 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: A search for pairs of high p/sub T/ prompt photons produced in hydrogen by a 280 GeV/c incident /pi//sup -/ beam has been carried out using a fine-grained electromagnetic calorimeter and the Omega spectrometer at the CERN SPS. Clear evidence for the existence of such events is found with a six standard deviation signal for p/sub T/> 3.0 GeV/c. The cross sections are consistent with beyond leading order QCD calculations. A discussion on the determination of [alpha]/sub s/ is also presented. 18 refs., 7 figs., 7 tabs.
Book Synopsis A Study of the Event Structure in High P(T) Direct Photon and [pi]0 Production by 515-GeV/c [pi]- and 800-GeV/c Proton Beams Incident on Nuclear Targets by :
Download or read book A Study of the Event Structure in High P(T) Direct Photon and [pi]0 Production by 515-GeV/c [pi]- and 800-GeV/c Proton Beams Incident on Nuclear Targets written by and published by . This book was released on 1995 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt: We present the results from a study of hadronic jets in association with high pt direct photons and [pi]0's using 515 GeV/c[pi]- and 800 GeV/c proton beam incident on various nuclear targets.
Book Synopsis Dissertation Abstracts International by :
Download or read book Dissertation Abstracts International written by and published by . This book was released on 2005 with total page 794 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Large Transverse Momentum [pi]0 Meson Production by 0.5 TeV/c P, [pi]+ and K+ Incident on Beryllium by : David Lynn Striley
Download or read book Large Transverse Momentum [pi]0 Meson Production by 0.5 TeV/c P, [pi]+ and K+ Incident on Beryllium written by David Lynn Striley and published by . This book was released on 1996 with total page 426 pages. Available in PDF, EPUB and Kindle. Book excerpt: Results are presented on the production of high transverse momentum $\pi \sp0$ mesons from hard scattering collisions of hadrons incident on a nuclear target. The inclusive $\pi \sp0$ production cross-sections were measured as a function of $p\sb{T}$ for $p, \pi \sp+$ and $K\sp+$ incident on beryllium targets. These data were recorded by Fermilab experiment E706 during the 1991 data acquisition period. The $\pi \sp0$ mesons were detected as pairs of high $p\sb{T}$ photons which produced electromagnetic showers in a finely segmented lead-liquid argon calorimeter. The unseparated incident beam particles were identified using the Meson West beamline Cerenkov detector. The measured cross-sections are presented for $\pi \sp0$ mesons in the rapidity range ${-}0.75 y
Book Synopsis Double Prompt Photon Production at High Transverse Momentum by Pi- on Protons at 280 GeV/c by :
Download or read book Double Prompt Photon Production at High Transverse Momentum by Pi- on Protons at 280 GeV/c written by and published by . This book was released on 1988 with total page 23 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Study of High Transverse Momentum [eta] Production in 530 GeV/c Hadronic Interactions by : Christopher B. Lirakis
Download or read book A Study of High Transverse Momentum [eta] Production in 530 GeV/c Hadronic Interactions written by Christopher B. Lirakis and published by . This book was released on 1990 with total page 300 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A measurement of direct photon production at large transverse momentum in ... [p], ... [p] and pp collisions at 300 GeV/c by :
Download or read book A measurement of direct photon production at large transverse momentum in ... [p], ... [p] and pp collisions at 300 GeV/c written by and published by . This book was released on 1986 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Expectations for Direct Photon Physics from Fermilab Experiment E705 by :
Download or read book Expectations for Direct Photon Physics from Fermilab Experiment E705 written by and published by . This book was released on 1987 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The E705 scintillation glass/lead glass electromagnetic calorimeter is described. The trigger used for recording high transverse momentum direct photon signals from 300 GeV/c .pi./sup /minus//, .pi., /bar p/, p interactions in a Li7 target is explained. Preliminary results on the response of this direct photon trigger and electromagnetic calorimeter and expected event sensitivities are presented. 14 refs., 9 figs., 2 tabs.
Book Synopsis Photon and Neutral Pi 0 Production in (197)Au + (197)Au Collisions at Sqrt S(NN) by :
Download or read book Photon and Neutral Pi 0 Production in (197)Au + (197)Au Collisions at Sqrt S(NN) written by and published by . This book was released on 2002 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt: Inclusive transverse momentum spectra of photons and [pi]°s at mid-rapidity are studied as a function of collision centrality for 197Au+ 197Au collisions at √s{sub NN} = 130 GeV. Photon pair conversions have been reconstructed from charged tracks measured by the main Time Project Chamber of the STAR experiment at the RHIC heavy ion facility. The transverse momentum resolution of photons with this method is estimated to be [Delta]p{sub t}/p{sub t} = 2% at 0.125 GeV/c and 5% at 2.5 GeV/c. Photon spectra were measured up to a transverse momentum of 2.4 GeV/c between ± 0.5 units of rapidity. The dominant photon production mechanism, the [pi]° → [gamma][gamma] decay, was measured between 0.25-2.5 GeV/c and ± 1 units of rapidity. Spectra are reported for the top 11%, 11-34% and 34-85% centrality classes. It was observed that in mid-central and central collisions the relative contribution of the [pi]° → [gamma][gamma] decay to the inclusive photon spectrum decreases above a transverse momentum of 1.65 GeV/c. In central collisions the magnitude of the decrease from p{sub t} = 1.65 GeV/c to 2.4 GeV/c is 20%. It is unlikely that contributions from other [pi]° decay channels and other particle decays fully explain this decrease. The centrality dependence on the shapes of the [pi]° spectra was analyzed with Boltmann and Bose-Einstein functions. In the transverse momentum windows of the spectra, the extracted temperatures are near 0.295 GeV. These temperatures are substantially higher than those extracted from [pi]{sup {+-}} spectra in a lower range of transverse momentum. This is an indication that the shapes of the pion spectra deviate from purely exponential shapes.