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Q2 dependence of the neutron spin structure function g2(n) at low Q2.

Abstract:

We present the first measurement of the Q2 dependence of the neutron spin structure function g2(n) at five kinematic points covering 0.57 (GeV/c)2 < or = Q2 < or = 1.34 (GeV/c)2 at x approximately = 0.2. Though the naive quark-parton model predicts g2 = 0, nonzero values occur in more realistic models of the nucleon which include quark-gluon correlations, finite quark masses, or orbital angular momentum. When scattering from a noninteracting quark, g2(n) can be predicted using next-to-l...

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Publication status:
Published

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Authors


Armstrong, DS More by this author
Averett, TD More by this author
Bertozzi, W More by this author
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Journal:
Physical review letters
Volume:
95
Issue:
14
Pages:
142002
Publication date:
2005-09-05
DOI:
EISSN:
1079-7114
ISSN:
0031-9007
URN:
uuid:7f5f16db-dc82-4adf-b2c2-dabc786d9761
Source identifiers:
172780
Local pid:
pubs:172780
Language:
English

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