Higher twists and the measurements of g2

W. Korsch

doi:10.1063/1.1871650

Higher twists and the measurements of g₂

W. Korsch

Physics And Astronomy

Producción científica: Conference contribution › revisión exhaustiva

Resumen

The 6 GeV accelerator at Jefferson Lab was used to perform precision studies of the neutron spin structure functions, g₁ ⁿ(x,Q²) and g₂ⁿ(x,Q²). Using a dense polarized ³He target allowed us to determine the lowest moment, Γ₁ⁿ(Q²), for three different momentum-transfers (< 1 GeV²) in the resonance region. Together with data from other laboratories we were able to perform a systematic analysis of higher twist effects. In addition, a first precision measurement of g ₂ⁿ outside the resonance region (W> 1.9 GeV) indicates clear evidence for higher twist contributions for Q² values less than 1 GeV².

Idioma original	English
Título de la publicación alojada	Structure of the Nucleon at Large Bjorken x - 2nd International Workshop on the Structure of the Nucleon at Large Bjorken x, HiX2004
Páginas	122-125
Número de páginas	4
DOI	https://doi.org/10.1063/1.1871650
Estado	Published - 2005
Evento	2nd International Workshop on the Structure of the Nucleon at Large Bjorken x, HiX2004 - Marseille, France Duración: jul 26 2004 → jul 28 2004

Serie de la publicación

Nombre	AIP Conference Proceedings
Volumen	747
ISSN (versión impresa)	0094-243X
ISSN (versión digital)	1551-7616

Conference

Conference	2nd International Workshop on the Structure of the Nucleon at Large Bjorken x, HiX2004
País/Territorio	France
Ciudad	Marseille
Período	7/26/04 → 7/28/04

ASJC Scopus subject areas

Ecology, Evolution, Behavior and Systematics
Ecology
Plant Science
General Physics and Astronomy
Nature and Landscape Conservation

Acceder al documento

10.1063/1.1871650

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abstract = "The 6 GeV accelerator at Jefferson Lab was used to perform precision studies of the neutron spin structure functions, g1 n(x,Q2) and g2n(x,Q2). Using a dense polarized 3He target allowed us to determine the lowest moment, Γ1n(Q2), for three different momentum-transfers (< 1 GeV2) in the resonance region. Together with data from other laboratories we were able to perform a systematic analysis of higher twist effects. In addition, a first precision measurement of g 2n outside the resonance region (W> 1.9 GeV) indicates clear evidence for higher twist contributions for Q2 values less than 1 GeV2.",

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Korsch, W 2005, Higher twists and the measurements of g₂. En Structure of the Nucleon at Large Bjorken x - 2nd International Workshop on the Structure of the Nucleon at Large Bjorken x, HiX2004. AIP Conference Proceedings, vol. 747, pp. 122-125, 2nd International Workshop on the Structure of the Nucleon at Large Bjorken x, HiX2004, Marseille, France, 7/26/04. https://doi.org/10.1063/1.1871650

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