Extracting nucleon strange and anapole form factors from world data - INSPIRE

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Extracting nucleon strange and anapole form factors from world data

Ross Daniel Young
(
- Jefferson Lab
)
,
Julie Roche
(
- Jefferson Lab
)
,
Roger D. Carlini
(
- Jefferson Lab
)
,
Anthony William Thomas
(
- Jefferson Lab
)

Apr, 2006

4 pages

Published in:

Phys.Rev.Lett. 97 (2006) 102002

e-Print:

nucl-ex/0604010 [nucl-ex]

DOI:

10.1103/PhysRevLett.97.102002

Report number:

JLAB-THY-06-479

View in:

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Abstract:

The complete world set of parity violating electron scattering data up to Q^2~0.3 GeV^2 is analysed. We extract the current experimental determination of the strange electric and magnetic form factors of the proton, as well as the weak axial form factors of the proton and neutron, at Q^2 = 0.1 GeV^2. Within experimental uncertainties, we find that the strange form factors are consistent with zero, as are the anapole contributions to the axial form factors. Nevertheless, the correlation between the strange and anapole contributions suggest that there is only a small probability that these form factors all vanish simultaneously.

25.30.Bf
13.60.-r
11.30.Er
14.20.Dh
electron nucleon: elastic scattering
electron nucleus: elastic scattering
parity: violation
nucleon: form factor
momentum transfer dependence
form factor: electric

References(27)

Figures(0)

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(
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)
,
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(
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)
,
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(
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)

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(
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)
,
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(
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)

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(
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)
,
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(
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)
,
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(
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)
,
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(
- Adelaide U.
)

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(
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)

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(
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)
,
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(
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)
,
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(
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(
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•
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Strange electric form-factor of the proton

Derek Bruce Leinweber
(
- Adelaide U.
)
,
S. Boinepalli
(
- Adelaide U.
)
,
Anthony William Thomas
(
- Jefferson Lab
)
,
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(
- Adelaide U.
)
,
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(
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)

et al.

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•
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(
- Caltech
)
,
Xiang-Dong Ji
(
- Maryland U.
)

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- In *Advances in nuclear physics, vol. 26* 1-88
•
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•
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