CLAS Physics Database

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Measurement E15M45

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Experiment: E99-105, 2002

Spokespersons: M. Gar�on, M. Guidal, E. S. Smith

Measurement comment: Virtual photon polarization parameter ε = 0.37. Errors include statistics and point-to-point sytematics, added in quadrature.

Publication:

L. Morand, D. Dore, M. Gar�on, M. Guidal, J.-M. Laget, S. Morrow, F. Sabatie, E. Smith, and CLAS collaboration Deeply virtual and exclusive electroproduction of omega mesons // hep-ex/0504057

Quantity measured: dσ/dφ, mcbn/rad
Differential cross section.
Beam: e, polarization: none
Target: p (Z=1, A=1), polarization: none
Final state: ω p, polarization: none

Q² :	2.639 GeV²
W :	2.58 GeV
x_b :	0.313
ε :	0.37

Fit φ dependence:

Observable quantity measured (Y axis): dσ/dφ, mcbn/rad
Plot measurement data

Parameter (X axis): φ, deg

Click here to get data in text file, delimited with tabs.

Click here to get calculated fit coefficients in text file, delimited with tabs.

Measured data:

φ, deg	dσ/dφ, mcbn/rad	Data errors, mcbn/rad
20	0.05547262	0.006044339
60	0.04747213	0.004699316
100	0.04318394	0.004286363
140	0.05350943	0.004758299
180	0.0554137	0.01224676
220	0.05202078	0.004653732
260	0.04298519	0.003963218
300	0.04752297	0.004152249
340	0.04809074	0.006684192