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Book A Generalized Weizsacker Williams Method Applied to Pion Production in Proton Proton Collisions

Download or read book A Generalized Weizsacker Williams Method Applied to Pion Production in Proton Proton Collisions written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-06-19 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt: A new "Generalized" Weizsacker-Williams method (GWWM) is used to calculate approximate cross sections for relativistic peripheral proton-proton collisions. Instead of a mass less photon mediator, the method allows for the mediator to have mass for short range interactions. This method generalizes the Weizsacker-Williams method (WWM) from Coulomb interactions to GWWM for strong interactions. An elastic proton-proton cross section is calculated using GWWM with experimental data for the elastic p+p interaction, where the mass p+ is now the mediator. The resulting calculated cross sections is compared to existing data for the elastic proton-proton interaction. A good approximate fit is found between the data and the calculation. Ahern, Sean C. and Poyser, William J. and Norbury, John W. and Tripathi, R. K. Langley Research Center NASA/TP-2002-211938, NAS 1.60:211938, L-18214

Book Pion Production in Proton proton Collisions

Download or read book Pion Production in Proton proton Collisions written by Don Bernett Lichtenberg and published by . This book was released on 1955 with total page 58 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Nuclear Science Abstracts

Download or read book Nuclear Science Abstracts written by and published by . This book was released on 1976 with total page 680 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Pion Production in Pion nucleon Collisions in the Chew Low Wick Formalism

Download or read book Pion Production in Pion nucleon Collisions in the Chew Low Wick Formalism written by Leonard Sidney Rodberg and published by . This book was released on 1956 with total page 70 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book High Energy Physics Index

Download or read book High Energy Physics Index written by and published by . This book was released on 1990 with total page 716 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Science Abstracts

Download or read book Science Abstracts written by and published by . This book was released on 1962 with total page 1820 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Threshold Pion Production from Proton proton Collisions

Download or read book Threshold Pion Production from Proton proton Collisions written by and published by . This book was released on 1995 with total page 134 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Book INIS Atomindex

Download or read book INIS Atomindex written by and published by . This book was released on 1986 with total page 1352 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Progress in Elementary Particle and Cosmic Ray Physics

Download or read book Progress in Elementary Particle and Cosmic Ray Physics written by and published by . This book was released on 1960 with total page 504 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Proceedings

Download or read book Proceedings written by and published by . This book was released on 1971 with total page 652 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Comptes Rendus Proceedings

Download or read book Comptes Rendus Proceedings written by and published by . This book was released on 1971 with total page 652 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Energy Research Abstracts

Download or read book Energy Research Abstracts written by and published by . This book was released on 1980 with total page 308 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Charged Pion Production from Neutron proton Collisions at 790 MeV Differential Cross Sections Symmetry

Download or read book Charged Pion Production from Neutron proton Collisions at 790 MeV Differential Cross Sections Symmetry written by and published by . This book was released on 1977 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The two reactions np .-->. nn.pi. and np .-->. pp.pi.− were studied at 790 MeV (incident neutron energy). Pion spectra were measured at 10 different angles with a multiwire proportional chamber spectrometer. Approximately 100,000 events were analyzed. The angular distribution of pions in the np center of momentum system (d sigma/d.cap omega.*) was given by ((123.1 +- 2.7) + (88.3 +- 4.9)cos2(theta*))(.mu.b/sr). The cross section sigma(np .-->. NN.pi./sup +-/) was determined to be 1.92 +- 20 mb by integrating (d sigma/d.cap omega.*) over all angles. The partial cross section for pion production from T = 0 np interactions (sigma01) was found to be .1/sub -.1//sup +.5/ mb by using the relation sigma01 = 2sigma(np .-->. NN.pi./sup +- )--sigma(pp .-->. pp.pi.°). Stronger indications of nonresonant pion production were given by the presence of asymmetries between the positive and negative pion spectra and a comparison of the data with an isobar model calculation.