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Parity-violating electron scattering from 4He and the strange electric form factor of the nucleon. 2006
K A Aniol, and
D S Armstrong, and
T Averett, and
H Benaoum, and
P Y Bertin, and
E Burtin, and
J Cahoon, and
G D Cates, and
C C Chang, and
Y-C Chao, and
J-P Chen, and
Seonho Choi, and
E Chudakov, and
B Craver, and
F Cusanno, and
P Decowski, and
D Deepa, and
C Ferdi, and
R J Feuerbach, and
J M Finn, and
S Frullani, and
K Fuoti, and
F Garibaldi, and
R Gilman, and
A Glamazdin, and
V Gorbenko, and
J M Grames, and
J Hansknecht, and
D W Higinbotham, and
R Holmes, and
T Holmstrom, and
T B Humensky, and
H Ibrahim, and
C W de Jager, and
X Jiang, and
L J Kaufman, and
A Kelleher, and
A Kolarkar, and
S Kowalski, and
K S Kumar, and
D Lambert, and
P LaViolette, and
J LeRose, and
D Lhuillier, and
N Liyanage, and
D J Margaziotis, and
M Mazouz, and
K McCormick, and
D G Meekins, and
Z-E Meziani, and
R Michaels, and
B Moffit, and
P Monaghan, and
C Munoz-Camacho, and
S Nanda, and
V Nelyubin, and
D Neyret, and
K D Paschke, and
M Poelker, and
R Pomatsalyuk, and
Y Qiang, and
B Reitz, and
J Roche, and
A Saha, and
J Singh, and
R Snyder, and
P A Souder, and
R Subedi, and
R Suleiman, and
V Sulkosky, and
W A Tobias, and
G M Urciuoli, and
A Vacheret, and
E Voutier, and
K Wang, and
R Wilson, and
B Wojtsekhowski, and
X Zheng, and
California State University, Los Angeles, Los Angeles, California 90032, USA.
We have measured the parity-violating electroweak asymmetry in the elastic scattering of polarized electrons from 4He at an average scattering angle <theta(lab)> = 5.7 degrees and a four-momentum transfer Q2 = 0.091 GeV2 . From these data, for the first time, the strange electric form factor of the nucleon G(E)s can be isolated. The measured asymmetry of A(PV) = (6.72 +/- 0.84(stat) +/- 0.21(syst) x 10(-6) yields a value of G(E)s = -0.038 +/- 0.042(stat) +/- 0.010(syst), consistent with zero.
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Related Publications
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J M Finn, and
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F Garibaldi, and
R Gilman, and
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J M Grames, and
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R Holmes, and
T Holmstrom, and
T B Humensky, and
H Ibrahim, and
C W de Jager, and
X Jiang, and
L J Kaufman, and
A Kelleher, and
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D Lambert, and
P LaViolette, and
J LeRose, and
D Lhuillier, and
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M Mazouz, and
K McCormick, and
D G Meekins, and
Z-E Meziani, and
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J M Finn, and
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R Holmes, and
T Holmstrom, and
T B Humensky, and
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C W de Jager, and
X Jiang, and
L J Kaufman, and
A Kelleher, and
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S Kowalski, and
K S Kumar, and
D Lambert, and
P LaViolette, and
J LeRose, and
D Lhuillier, and
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D J Margaziotis, and
M Mazouz, and
K McCormick, and
D G Meekins, and
Z-E Meziani, and
R Michaels, and
B Moffit, and
P Monaghan, and
C Munoz-Camacho, and
S Nanda, and
V Nelyubin, and
D Neyret, and
K D Paschke, and
M Poelker, and
R Pomatsalyuk, and
Y Qiang, and
B Reitz, and
J Roche, and
A Saha, and
J Singh, and
R Snyder, and
P A Souder, and
R Subedi, and
R Suleiman, and
V Sulkosky, and
W A Tobias, and
G M Urciuoli, and
A Vacheret, and
E Voutier, and
K Wang, and
R Wilson, and
B Wojtsekhowski, and
X Zheng, and
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K A Aniol, and
D S Armstrong, and
T Averett, and
H Benaoum, and
P Y Bertin, and
E Burtin, and
J Cahoon, and
G D Cates, and
C C Chang, and
Y-C Chao, and
J-P Chen, and
Seonho Choi, and
E Chudakov, and
B Craver, and
F Cusanno, and
P Decowski, and
D Deepa, and
C Ferdi, and
R J Feuerbach, and
J M Finn, and
S Frullani, and
K Fuoti, and
F Garibaldi, and
R Gilman, and
A Glamazdin, and
V Gorbenko, and
J M Grames, and
J Hansknecht, and
D W Higinbotham, and
R Holmes, and
T Holmstrom, and
T B Humensky, and
H Ibrahim, and
C W de Jager, and
X Jiang, and
L J Kaufman, and
A Kelleher, and
A Kolarkar, and
S Kowalski, and
K S Kumar, and
D Lambert, and
P LaViolette, and
J LeRose, and
D Lhuillier, and
N Liyanage, and
D J Margaziotis, and
M Mazouz, and
K McCormick, and
D G Meekins, and
Z-E Meziani, and
R Michaels, and
B Moffit, and
P Monaghan, and
C Munoz-Camacho, and
S Nanda, and
V Nelyubin, and
D Neyret, and
K D Paschke, and
M Poelker, and
R Pomatsalyuk, and
Y Qiang, and
B Reitz, and
J Roche, and
A Saha, and
J Singh, and
R Snyder, and
P A Souder, and
R Subedi, and
R Suleiman, and
V Sulkosky, and
W A Tobias, and
G M Urciuoli, and
A Vacheret, and
E Voutier, and
K Wang, and
R Wilson, and
B Wojtsekhowski, and
X Zheng, and
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K A Aniol, and
D S Armstrong, and
T Averett, and
H Benaoum, and
P Y Bertin, and
E Burtin, and
J Cahoon, and
G D Cates, and
C C Chang, and
Y-C Chao, and
J-P Chen, and
Seonho Choi, and
E Chudakov, and
B Craver, and
F Cusanno, and
P Decowski, and
D Deepa, and
C Ferdi, and
R J Feuerbach, and
J M Finn, and
S Frullani, and
K Fuoti, and
F Garibaldi, and
R Gilman, and
A Glamazdin, and
V Gorbenko, and
J M Grames, and
J Hansknecht, and
D W Higinbotham, and
R Holmes, and
T Holmstrom, and
T B Humensky, and
H Ibrahim, and
C W de Jager, and
X Jiang, and
L J Kaufman, and
A Kelleher, and
A Kolarkar, and
S Kowalski, and
K S Kumar, and
D Lambert, and
P LaViolette, and
J LeRose, and
D Lhuillier, and
N Liyanage, and
D J Margaziotis, and
M Mazouz, and
K McCormick, and
D G Meekins, and
Z-E Meziani, and
R Michaels, and
B Moffit, and
P Monaghan, and
C Munoz-Camacho, and
S Nanda, and
V Nelyubin, and
D Neyret, and
K D Paschke, and
M Poelker, and
R Pomatsalyuk, and
Y Qiang, and
B Reitz, and
J Roche, and
A Saha, and
J Singh, and
R Snyder, and
P A Souder, and
R Subedi, and
R Suleiman, and
V Sulkosky, and
W A Tobias, and
G M Urciuoli, and
A Vacheret, and
E Voutier, and
K Wang, and
R Wilson, and
B Wojtsekhowski, and
X Zheng, and
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C C Chang, and
Y-C Chao, and
J-P Chen, and
Seonho Choi, and
E Chudakov, and
B Craver, and
F Cusanno, and
P Decowski, and
D Deepa, and
C Ferdi, and
R J Feuerbach, and
J M Finn, and
S Frullani, and
K Fuoti, and
F Garibaldi, and
R Gilman, and
A Glamazdin, and
V Gorbenko, and
J M Grames, and
J Hansknecht, and
D W Higinbotham, and
R Holmes, and
T Holmstrom, and
T B Humensky, and
H Ibrahim, and
C W de Jager, and
X Jiang, and
L J Kaufman, and
A Kelleher, and
A Kolarkar, and
S Kowalski, and
K S Kumar, and
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P LaViolette, and
J LeRose, and
D Lhuillier, and
N Liyanage, and
D J Margaziotis, and
M Mazouz, and
K McCormick, and
D G Meekins, and
Z-E Meziani, and
R Michaels, and
B Moffit, and
P Monaghan, and
C Munoz-Camacho, and
S Nanda, and
V Nelyubin, and
D Neyret, and
K D Paschke, and
M Poelker, and
R Pomatsalyuk, and
Y Qiang, and
B Reitz, and
J Roche, and
A Saha, and
J Singh, and
R Snyder, and
P A Souder, and
R Subedi, and
R Suleiman, and
V Sulkosky, and
W A Tobias, and
G M Urciuoli, and
A Vacheret, and
E Voutier, and
K Wang, and
R Wilson, and
B Wojtsekhowski, and
X Zheng, and
August 2005,
Physical review letters,
