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Measurement E15M95

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Experiment: E99-105, 2002

Spokespersons: M. Garçon, M. Guidal, E. S. Smith

Measurement comment: Omega spin matrix elements from method of moments, background unsubtracted. Data were integrated up to t' = t0 - t < 0.5 GeV2. Errors include systematics, added in quadrature.

Publication:

Quantity measured: Im r106, dimensionless
Spin matrix element.
Beam: e, polarization: none
Target: p (Z=1, A=1), polarization: none
Final state: ω p, polarization: none

Q2 : 1.89 — 3.818 GeV2
W : 1.855 — 2.469 GeV
xb : 0.267 — 0.579

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Measured data:

Q2,
GeV2
x,
dimensionless
W,
GeV
ε,
dimensionless
-t,
GeV2
Im r106,
dimensionless
Data errors,
dimensionless
1.89 0.267 2.469 0.566 0.481 -0.13 0.05
2.532 0.365 2.3 0.574 0.64 -0.02 0.06
2.028 0.348 2.171 0.706 0.611 0.01 0.04
3.18 0.471 2.114 0.582 0.895 0.12 0.08
2.534 0.463 1.957 0.735 0.906 0.03 0.04
2.11 0.44 1.89 0.804 0.886 0.04 0.04
3.818 0.579 1.914 0.591 1.363 -0.06 0.07
3.007 0.54 1.855 0.719 1.232 0.05 0.04