Recent results on nuclear structure functions for light nuclei

Journal Article · Wed Sep 21 00:00:00 EDT 2011 · AIP Conference Proceedings

DOI:https://doi.org/10.1063/1.3631520· OSTI ID:21608354

Kulagin, S A ^[1]; Petti, R ^[2]

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1. Institute for Nuclear Research of the Russian Academy of Sciences, 117312 Moscow (Russian Federation)
2. Department of Physics and Astronomy, University of South Carolina, Columbia SC 29208 (United States)

We discuss the nuclear EMC effect with particular emphasis on recent data for light nuclei including {sup 2}H, {sup 3}He, {sup 4}He, {sup 9}Be, {sup 12}C and {sup 14}N. In order to verify the consistency of available data, we calculate the {chi}{sup 2} deviation between different data sets. We find a good agreement between the results from the NMC, SLAC E139, and HERMES experiments. However, our analysis indicates an overall normalization offset of about 2% in the data from the recent JLab E03-103 experiment with respect to previous data for nuclei heavier than {sup 3}He. We also discuss the extraction of the neutron/proton structure function ratio F{sub 2}{sup n}/F{sub 2}{sup p} from the nuclear ratios {sup 3}He/{sup 2}H and {sup 2}H/{sup 1}H. Our analysis shows that the E03-103 data on {sup 3}He/{sup 2}H require a renormalization of about 3% in order to be consistent with the F{sub 2}{sup n}/F{sub 2}{sup p} ratio obtained from the NMC experiment. After such a renormalization, the {sup 3}He data from the E03-103 data and HERMES experiments are in a good agreement. We also present a detailed comparison between data and model calculations, which include a description of the nuclear binding, Fermi motion and off-shell corrections to the structure functions of bound proton and neutron, as well as the nuclear pion and shadowing corrections.

• OSTI ID: 21608354
• Journal Information: AIP Conference Proceedings, Vol. 1369, Issue 1; Conference: 3. international workshop on nucleon structure at large Bjorken X, Newport News, VA (United States), 13-15 Oct 2010; Other Information: DOI: 10.1063/1.3631520; (c) 2011 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA); ISSN 0094-243X
• Country of Publication: United States
• Language: English

Related Subjects

73 NUCLEAR PHYSICS AND RADIATION PHYSICS
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
BERYLLIUM 9
BINDING ENERGY
CARBON 12
CEBAF ACCELERATOR
COMPARATIVE EVALUATIONS
CORRECTIONS
DEEP INELASTIC SCATTERING
DEUTERIUM
HELIUM 3
HELIUM 4
NEUTRONS
NITROGEN 14
NUCLEAR STRUCTURE
PIONS
PROTONS
RENORMALIZATION
STANFORD LINEAR ACCELERATOR CENTER
STRUCTURE FUNCTIONS
ACCELERATORS
ALKALINE EARTH ISOTOPES
BARYONS
BERYLLIUM ISOTOPES
BOSONS
CARBON ISOTOPES
ELEMENTARY PARTICLES
ENERGY
EVALUATION
EVEN-EVEN NUCLEI
EVEN-ODD NUCLEI
FERMIONS
FUNCTIONS
HADRONS
HELIUM ISOTOPES
HYDROGEN ISOTOPES
INELASTIC SCATTERING
INTERACTIONS
ISOTOPES
LEPTON-BARYON INTERACTIONS
LEPTON-HADRON INTERACTIONS
LEPTON-NUCLEON INTERACTIONS
LIGHT NUCLEI
LINEAR ACCELERATORS
MESONS
NATIONAL ORGANIZATIONS
NITROGEN ISOTOPES
NUCLEI
NUCLEONS
ODD-ODD NUCLEI
PARTICLE INTERACTIONS
PSEUDOSCALAR MESONS
SCATTERING
STABLE ISOTOPES
US DOE
US ERDA
US ORGANIZATIONS