Published November 2002
| Version v1
Journal article
Precision Measurement of the Proton and Deuteron Spin Structure Functions g2
Creators
- 1. University of Massachusetts, Amherst, Massachusetts (United States)
Description
We measured the spin structure functions gp2 and gd2 in the range 0.02 ≤ x ≤ 0.8 and 0.7 ≤ Q2 ≤ 20 GeV2 by scattering 29.1 and 32.3 GeV longitudinally polarized electrons from transversely polarized NH3 and 6LiD targets. g2 approximately follows the twist-2 Wandzura-Wilczek calculation. The twist-3 reduced matrix elements dp2 and dn2 are less than two standard deviations from zero. The data are inconsistent with the Burkhardt-Cottingham sum rule if there is no pathological behavior as x → 0. The Efremov-Leader-Teryaev integral is consistent with zero. (author)
Additional details
Publishing Information
- Journal Title
- Acta Physica Polonica. Series B
- Journal Volume
- B33
- Journal Issue
- 11
- Journal Page Range
- p. 3677-3682
- ISSN
- 0587-4254
Conference
- Title
- 10 International Workshop on Deep Inelastic Scattering (DIS2002)
- Dates
- 30 Apr - 4 May 2002
- Place
- Cracow (Poland)
INIS
- Country of Publication
- Poland
- Country of Input or Organization
- Poland
- INIS RN
- 34074978
- Subject category
- S72: PHYSICS OF ELEMENTARY PARTICLES AND FIELDS;
- Resource subtype / Literary indicator
- Conference
- Descriptors DEI
- AMMONIA; BAG MODEL; COMPTON EFFECT; DEEP INELASTIC SCATTERING; DEUTERONS; ELECTRON REACTIONS; FOUR MOMENTUM TRANSFER; GEV RANGE 10-100; LITHIUM DEUTERIDES; NEUTRONS; PHOTONS; POLARIZED BEAMS; POLARIZED TARGETS; PROTONS; QUANTUM CHROMODYNAMICS; RADIATIVE CORRECTIONS; SPIN; STRUCTURE FUNCTIONS; SUM RULES; VIRTUAL PARTICLES
- Descriptors DEC
- ALKALI METAL COMPOUNDS; ANGULAR MOMENTUM; BARYONS; BASIC INTERACTIONS; BEAMS; BOSONS; CHARGED PARTICLES; CHARGED-PARTICLE REACTIONS; COMPOSITE MODELS; CORRECTIONS; DEUTERIDES; DEUTERIUM COMPOUNDS; ELASTIC SCATTERING; ELECTROMAGNETIC INTERACTIONS; ELEMENTARY PARTICLES; ENERGY RANGE; EQUATIONS; EXTENDED PARTICLE MODEL; FERMIONS; FIELD THEORIES; FUNCTIONS; GEV RANGE; HADRONS; HYDRIDES; HYDROGEN COMPOUNDS; INELASTIC SCATTERING; INTERACTIONS; LEPTON REACTIONS; LEPTON-BARYON INTERACTIONS; LEPTON-HADRON INTERACTIONS; LEPTON-NUCLEON INTERACTIONS; LITHIUM COMPOUNDS; LITHIUM HYDRIDES; MASSLESS PARTICLES; MATHEMATICAL MODELS; MOMENTUM TRANSFER; NITROGEN COMPOUNDS; NITROGEN HYDRIDES; NUCLEAR REACTIONS; NUCLEONS; PARTICLE INTERACTIONS; PARTICLE MODELS; PARTICLE PROPERTIES; QUANTUM FIELD THEORY; QUARK MODEL; SCATTERING; TARGETS
Optional Information
- Notes
- 17 refs., 3 figs.
- Collaborations
- E155 Collaboration