Pion Production Excitation Functions In Proton Nucleus Collisions From The Absolute Threshold To 500 Mev
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Author |
: J. Mårtensson |
Publisher |
: |
Total Pages |
: 19 |
Release |
: 1998 |
ISBN-10 |
: OCLC:497605170 |
ISBN-13 |
: |
Rating |
: 4/5 (70 Downloads) |
Synopsis Pion Production Excitation Functions in Proton-nucleus Collisions from the Absolute Threshold to 500 MeV by : J. Mårtensson
Author |
: Daniel Allen Hamlin |
Publisher |
: |
Total Pages |
: 130 |
Release |
: 1954 |
ISBN-10 |
: UCAL:C2892090 |
ISBN-13 |
: |
Rating |
: 4/5 (90 Downloads) |
Synopsis Excitation Function for Positive Pions Produced at 900 in Proton-carbon Collisions by : Daniel Allen Hamlin
Author |
: Daniel Allen Hamlin |
Publisher |
: |
Total Pages |
: 60 |
Release |
: 1953 |
ISBN-10 |
: UOM:39015086543926 |
ISBN-13 |
: |
Rating |
: 4/5 (26 Downloads) |
Synopsis Excitation Function for Positive Pions Produced at 90° in Proton-carbon Collisions by : Daniel Allen Hamlin
Author |
: |
Publisher |
: |
Total Pages |
: 134 |
Release |
: 1995 |
ISBN-10 |
: OCLC:925469997 |
ISBN-13 |
: |
Rating |
: 4/5 (97 Downloads) |
Synopsis Threshold Pion Production from Proton-proton Collisions by :
We showed that the threshold production of [pi]°pp, [pi]np, and [pi]d from proton-proton collisions can be consistently described by a model consisting of pion s-wave rescattering and N{bar N} pair-terms of heavy-meson exchanges. The large difference between [sigma]{sup tot}(pp 2![pi]d) and [sigma]{sup tot}(pp 2![pi]+np) is understood from the orthogonality of the deuteron and the np scattering wave functions. In a calculation using the Paris potential, we find that the data can be reproduced best by using a soft [pi]NN form factor with [Delta] = 650 MeV for a monopole form. This is consistent with our earlier studies of pion production in the A-excitation region. A paper describing this result was submitted for publication.
Author |
: |
Publisher |
: |
Total Pages |
: 612 |
Release |
: 1976 |
ISBN-10 |
: RUTGERS:39030044059063 |
ISBN-13 |
: |
Rating |
: 4/5 (63 Downloads) |
Synopsis Nuclear Science Abstracts by :
Author |
: Francis A. Cucinotta |
Publisher |
: |
Total Pages |
: 30 |
Release |
: 1998 |
ISBN-10 |
: NASA:31769000630585 |
ISBN-13 |
: |
Rating |
: 4/5 (85 Downloads) |
Synopsis Parameterizations of Pion Energy Spectrum in Nucleon-Nucleon Collisions by : Francis A. Cucinotta
Author |
: Anders Oskarsson |
Publisher |
: |
Total Pages |
: 54 |
Release |
: 1983 |
ISBN-10 |
: UCAL:B3523536 |
ISBN-13 |
: |
Rating |
: 4/5 (36 Downloads) |
Synopsis Pion Production and Fragmentation of Nuclei in High Energy Nucleus-nucleus Collisions by : Anders Oskarsson
Author |
: Alvin George Schulz |
Publisher |
: |
Total Pages |
: 64 |
Release |
: 1952 |
ISBN-10 |
: UOM:39015086550855 |
ISBN-13 |
: |
Rating |
: 4/5 (55 Downloads) |
Synopsis The Excitation Function for [Pi]+-mesons Produced in P-P Collisions at O0 to the Beam by : Alvin George Schulz
Author |
: |
Publisher |
: |
Total Pages |
: |
Release |
: 1984 |
ISBN-10 |
: OCLC:727291063 |
ISBN-13 |
: |
Rating |
: 4/5 (63 Downloads) |
Synopsis Pion Production in Heavy Ion Reactions Near Absolute Thresholds by :
Pion production in heavy ion collisions at energies below the free nucleon-nucleon threshold, i.e., at energies, where the pion mass exceeds the kinetic energy of a projectile nucleon in the zero momentum frame, has been discussed for a long time in terms of probing the intrinsic Fermi motion in the projectile and target nuclei. However, as the beam energy is lowered, this process gets more and more unlikely and below a certain energy it should not be observed anymore. In a sharp cut-off Fermi gas model this occurs at E/sub lab/=50 MeV/u. However, as long as the total center of mass energy exceeds the pion mass, pions still can be produced by a cooperative sharing of the beam energy of several (or all) projectile nucleons. The experiments presented here are meant to extend the experimental information into that kinematic domain and represent the up to now lowest beam energy, where pion production has been identified unambiguously. The production of a pion of 100 MeV kinematic energy with a 35 MeV/u 14N beam requires Fermi momenta as high as approx. 350 MeV/c or alternatively 60% of the total beam energy. The information from the present experiments together with the results of previous experiments at higher beam energies of 44 MeV/u and 60 to 84 MeV/u allows one to distinguish between the alternative production mechanisms.
Author |
: United States. Energy Research and Development Administration |
Publisher |
: |
Total Pages |
: 600 |
Release |
: |
ISBN-10 |
: UOM:39015026174493 |
ISBN-13 |
: |
Rating |
: 4/5 (93 Downloads) |
Synopsis ERDA Energy Research Abstracts by : United States. Energy Research and Development Administration