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The width of the f meson, crossing sum rules and the pomeron

✍ Scribed by P. Grassberger

Book ID
116140823
Publisher
Elsevier Science
Year
1974
Tongue
English
Weight
508 KB
Volume
70
Category
Article
ISSN
0550-3213

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Using QCD sum rules, we compute the diagonal meson-baryon couplings, πNN, ηNN, π , η , π and η , from the baryon-baryon correlation function with a meson: i d 4 x e iq•x 0|T J B (x) JB (0) |M(p) . The calculations are performed to leading order in p µ by considering the two separate Dirac structures