Rigorous QCD predictions for decays of P-wave quarkonia
Conference
·
OSTI ID:10114016
- Argonne National Lab., IL (United States). High Energy Physics Div.
- Northwestern Univ., Evanston, IL (United States). Dept. of Physics and Astronomy
- Cornell Univ., Ithaca, NY (United States). Newman Lab. of Nuclear Studies
We present a new factorization theorem for the decay rates of P-wave states of heavy quarkonia. Infrared logarithms that had appeared in previous perturbative calculations of P-wave decays are absorbed into a quantity that is related to the amplitude for the heavy quark and antiquark to be in a relative color-octet S-wave state. We predict all of the light-hadronic and electromagnetic decays rates of the {chi}{sub c} and h{sub c} states in terms of two phenomenological parameters.
- Research Organization:
- Argonne National Lab., IL (United States). High Energy Physics Div.
- Sponsoring Organization:
- USDOE, Washington, DC (United States); National Science Foundation, Washington, DC (United States)
- DOE Contract Number:
- W-31109-ENG-38; FG02-91ER40684
- OSTI ID:
- 10114016
- Report Number(s):
- ANL-HEP-CP--92-109; CONF-921122--8; ON: DE93004853
- Country of Publication:
- United States
- Language:
- English
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