Published November 2006
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Operator product expansion on the lattice. Analytic Wilson coefficients
Creators
- 1. Regensburg Univ. (Germany). Inst. fuer Physik 1 - Theoretische Physik
- 2. Edinburgh Univ. (United Kingdom). School of Physics
- 3. Leipzig Univ. (Germany). Inst. fuer Theoretische Physik
- 4. Liverpool Univ. (United Kingdom). Theoretical Physics Div.
- 5. Deutsches Elektronen-Synchrotron (DESY), Hamburg (Germany)
- 6. Deutsches Elektronen-Synchrotron (DESY), Zeuthen (Germany). John von Neumann-Inst. fuer Computing NIC
Description
We present first results for Wilson coefficients of operators up to first order in the covariant derivatives for the case of Wilson fermions. They are derived from the off-shell Compton scattering amplitude Wμν(a,p,q) of massless quarks with momentum p. The Wilson coefficients are classified according to the transformation of the corresponding operators under the hypercubic group H(4). We give selected examples for a special choice of the momentum transfer q. All Wilson coefficients are given in closed analytic form and in an expansion in powers of a up to first corrections. (orig.)
Availability note (English)
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Additional details
Publishing Information
- Imprint Pagination
- 7 p.
- ISSN
- 0418-9833
- Report number
- DESY--06-180
Conference
- Title
- 24. International Symposium on Lattice Field Theory (Lattice 2006)
- Dates
- 23-28 Jul 2006
- Place
- Tucson, AZ (United States)
INIS
- Country of Publication
- Germany
- Country of Input or Organization
- Germany
- INIS RN
- 38011778
- Subject category
- S72: PHYSICS OF ELEMENTARY PARTICLES AND FIELDS;
- Resource subtype / Literary indicator
- Conference
- Descriptors DEI
- ANALYTIC FUNCTIONS; COMPTON EFFECT; CORRECTIONS; LATTICE FIELD THEORY; MASSLESS PARTICLES; NUCLEONS; OPERATOR PRODUCT EXPANSION; PHOTON-NUCLEON INTERACTIONS; PHOTONS; POWER SERIES; QUANTUM CHROMODYNAMICS; QUARKS; SCATTERING AMPLITUDES; SYMMETRY GROUPS
- Descriptors DEC
- AMPLITUDES; BARYONS; BASIC INTERACTIONS; BOSONS; CONSTRUCTIVE FIELD THEORY; ELASTIC SCATTERING; ELECTROMAGNETIC INTERACTIONS; ELEMENTARY PARTICLES; FERMIONS; FIELD THEORIES; FUNCTIONS; HADRONS; INTERACTIONS; MASSLESS PARTICLES; PARTICLE INTERACTIONS; PHOTON-BARYON INTERACTIONS; PHOTON-HADRON INTERACTIONS; QUANTUM FIELD THEORY; SCATTERING; SERIES EXPANSION
Optional Information
- Collaborations
- QCDSF/UKQCD Collaborations
- Secondary number(s)
- Edinburgh--2006-24; Leipzig-LU-ITP--2006-16; Liverpool-LTH--721; HEP-LAT--0610064