CLAS Physics Database

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Measurement E15M4

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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/dt, mcbn/GeV2
Differential cross section over Mandelstam variable t.
Beam: e, polarization: none
Target: p (Z=1, A=1), polarization: none
Final state: ω p, polarization: none

Q² :	1.725 GeV²
W :	2.77 GeV
x_b :	0.203
ε :	0.37

Observable quantity measured (Y axis): dσ/dt, mcbn/GeV2
Plot measurement data

Parameter (X axis): -t, GeV2

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

Measured data:

-t, GeV2	dσ/dt, mcbn/GeV2	Data errors, mcbn/GeV2
0.25	1.138276	0.1600376
0.55	0.3276178	0.04696141
0.85	0.1404624	0.02201083
1.15	0.08905553	0.01623165
1.45	0.07156501	0.01492567
1.75	0.04531826	0.0134622
2.3	0.02390497	0.004688671