N-to-{delta} Axial Transition Form Factors from Lattice QCD

Journal Article · Fri Feb 02 04:00:00 EST 2007 · Physical Review Letters

DOI:https://doi.org/10.1103/PHYSREVLETT.98.052003· OSTI ID:20955419

Alexandrou, C; Leontiou, Th ^[1]; Negele, J W ^[2]; Tsapalis, A ^[3]

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1. Department of Physics, University of Cyprus, CY-1678 Nicosia (Cyprus)
2. Center for Theoretical Physics, Laboratory for Nuclear Science and Department of Physics, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139 (United States)
3. Institute for Accelerating Systems and Applications, University of Athens, Athens (Greece)

We evaluate the N to {delta} axial transition form factors in lattice QCD with no dynamical sea quarks, with two degenerate flavors of dynamical Wilson quarks, and using domain wall valence fermions with three flavors of staggered sea quarks. We predict the ratio C{sub 5}{sup A}(q{sup 2})/C{sub 3}{sup V}(q{sup 2}) relevant for parity violating asymmetry experiments and verify the off-diagonal Goldberger-Treiman relation.

• OSTI ID: 20955419
• Journal Information: Physical Review Letters, Journal Name: Physical Review Letters Journal Issue: 5 Vol. 98; ISSN 0031-9007; ISSN PRLTAO
• Country of Publication: United States
• Language: English

Related Subjects

72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
ASYMMETRY
FLAVOR MODEL
FORM FACTORS
GOLDBERGER-TREIMAN RELATION
PARITY
QUANTUM CHROMODYNAMICS
QUARKS