New predictions for inclusive heavy-quarkonium P-wave decays

Nora Brambilla, Dolors Eiras, Antonio Pineda, Joan Soto, Antonio Vairo

Research output: Contribution to journalArticlepeer-review

55 Scopus citations

Abstract

The inclusive P-wave decay widths into light hadrons were computed in order for λQCD ≫ mv2 using potential nonrealitivistic quantum chromodynamics (pNRQCD). Operators relevant to P-wave decays allowed to produce concrete results. NRQCD was found to contain irrelevant degrees of freedom for certain heavy quarkonium states which can be integrated out to constrain the form of the matrix elements of color-octet operators.

Original languageEnglish
Article number012003
Pages (from-to)120031-120034
Number of pages4
JournalPhysical Review Letters
Volume88
Issue number1
StatePublished - 7 Jan 2002
Externally publishedYes

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