Inclusive Charged D Meson Production Cross Section Measurement In 800 Gev P Emulsion Interactions PDF Download
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Author | : Gene Arnold Oleynik |
Publisher | : |
Total Pages | : 450 |
Release | : 1987 |
Genre | : Emulsions |
ISBN | : |
Download Inclusive Charged D Meson Production Cross Section Measurement in 800 GeV P-emulsion Interactions Book in PDF, ePub and Kindle
Author | : Akbar Mokhtarani |
Publisher | : |
Total Pages | : 344 |
Release | : 1988 |
Genre | : |
ISBN | : |
Download Production Characteristics of Neutral and Charged D Mesons in 800 Gev P-emulsion Interactions Book in PDF, ePub and Kindle
Author | : |
Publisher | : |
Total Pages | : 654 |
Release | : 1993 |
Genre | : Power resources |
ISBN | : |
Download Energy Research Abstracts Book in PDF, ePub and Kindle
Author | : Vittorio Paolone |
Publisher | : |
Total Pages | : 226 |
Release | : 1990 |
Genre | : |
ISBN | : |
Download Semi-leptonic Charged D Meson Decays in 800 GeV P-emulsion Interactions Book in PDF, ePub and Kindle
Author | : |
Publisher | : |
Total Pages | : |
Release | : 1980 |
Genre | : |
ISBN | : |
Download Inclusive D Meson Production with the Mark II Detector at SPEAR. [3. 9 to 7. 4 GeV (c. M.)]. Book in PDF, ePub and Kindle
Neutral and charged D meson production cross sections were measured at center-of-mass energies between 3.9 GeV and 7.4 GeV. The quantity R/sub D/(=(sigma/sub D+D−/ + sigma/sub D°+ anti D°/)/2 sigma/sub ..mu ... mu..−/) is equal to 2 at 4 GeV and 4.4 GeV and about equal to 1 elsewhere. R/sub D/ + 2.5 approximately equals R (sigma/sub hadrons//sigma/sub ..mu..+..mu..−/) at all energies. The exclusive cross sections for e+e− annihilation into D anti D, D* anti D, and D* anti D* were measured at center-of-mass energies between 3.9 GeV and 4.3 GeV. sigma/sub D* anti D*/ decreases with increasing center-of-mass energy from 6.6 +- 1.3 nb near 4 GeV to 3.6 +- 9 nb near 4.3 GeV. sigma/sub D* anti D/ also decreases from 4.2 +- 9 nb to 1.8 +- 6 nb over the same energy region. sigma/sub D anti D/ is less than 0.5 +- 3 nb at all energies. The branching fractions for D*/sup +/ and D* decay were measured. B/sub D*°..-->..D°..pi..°/ = 0.5 +- 09, B/sub D*/sup +/..-->..D°..pi../sup +// = 0.44 +- 10, and B/sub D*/sup +/..-->..D/sup +/..pi..°/ = 0.31 +- 07. At 5.2 GeV, the D meson differential cross section is well described by phase space for e/sup +/e− ..-->.. D anti D..pi pi.. or D* anti D*..pi pi ... Sd sigma/dz was parameterized as A(1-z)/sup n/ with n = 0.9 +- 4. Quasi-two-body production accounts for less than 20% of the total D cross section. No evidence was found for associated charmed baryon-D meson production. An upper limit of 0.4 nb (90% confidence level) was determined for associated production. 41 figures, 12 tables.
Author | : |
Publisher | : |
Total Pages | : 658 |
Release | : 1976 |
Genre | : Nuclear energy |
ISBN | : |
Download Nuclear Science Abstracts Book in PDF, ePub and Kindle
Author | : Xiao D. James Liu |
Publisher | : |
Total Pages | : 204 |
Release | : 1989 |
Genre | : |
ISBN | : |
Download A Study of Ds̳ Meson Production in 800 GeV P-P Interactions Book in PDF, ePub and Kindle
Author | : |
Publisher | : |
Total Pages | : 124 |
Release | : |
Genre | : Particle accelerators |
ISBN | : |
Download Fermilab Research Program Workbook Book in PDF, ePub and Kindle
Author | : |
Publisher | : |
Total Pages | : 1414 |
Release | : 1987 |
Genre | : Nuclear energy |
ISBN | : |
Download INIS Atomindeks Book in PDF, ePub and Kindle
Author | : United States. Energy Research and Development Administration |
Publisher | : |
Total Pages | : 1072 |
Release | : 1977 |
Genre | : Power resources |
ISBN | : |
Download ERDA Energy Research Abstracts Book in PDF, ePub and Kindle