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Selected Works of John Donoghue
Article
A new four quark operator=2 local operator
Physical Review D (1986)
  • John Donoghue, University of Massachusetts - Amherst
  • E. Golowich, University of Massachusetts - Amherst
  • German Valencia, University of Massachusetts - Amherst
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Abstract
We describe a new four-quark IS=2 local operator, which we dub the "dipenguin" operator. Its form is derived and its I 0-to-Eo matrix element is estimated. Also, we comment upon bag-model evaluations of X -to-E matrix elements of ( V—A ) X ( V—A ) operators. 
Disciplines
Publication Date
1986
Citation Information
John Donoghue, E. Golowich and German Valencia. "A new four quark operator=2 local operator" Physical Review D Vol. 33 (1986)
Available at: http://works.bepress.com/john_donoghue/65/