Volumn 66, Issue 3, 2002, Pages
Measurement of the ratio of b quark production cross sections in pp collisions at √s=630 GeV and √s=1800 GeV
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c
more..
Author keywords
[No Author keywords available]
Indexed keywords
PROTON;
ARTICLE;
ATOMIC PARTICLE;
BIOLISTIC TRANSFORMATION;
DYNAMICS;
MEASUREMENT;
PHYSICS;
QUANTUM MECHANICS;
EID : 4243914757
PISSN : 15507998
EISSN : 15502368
Source Type : Journal
DOI : 10.1103/PhysRevD.66.032002
Document Type : Article
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The CDF coordinate system, u and f are the polar and azimuthal angles, respectively, defined with respect to the proton beam direction z. The pseudorapidity h is defined as 2ln tan(u /2). The transverse momentum of a particle is pT 5p sin(u)
In the CDF coordinate system, u and f are the polar and azimuthal angles, respectively, defined with respect to the proton beam direction z. The pseudorapidity h is defined as 2ln tan(u /2). The transverse momentum of a particle is pT 5p sin(u).
17
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Note that this uncertainty is somewhat smaller than what is usually quoted by CDF. This is because this is only the component of the luminosity uncertainty that is not in common between the measurements at 1800 GeV and 630 GeV
D. Cronin-Hennessy, A. Beretvas, and P.F. Derwent, Nucl. Instrum. Methods Phys. Res. A 443, 37 (2000). Note that this uncertainty is somewhat smaller than what is usually quoted by CDF. This is because this is only the component of the luminosity uncertainty that is not in common between the measurements at 1800 GeV and 630 GeV.
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