CLAS Physics Database

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Measurement E15M19

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Experiment: E99-105, 2002

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

Measurement comment: Virtual photon polarization parameter ε = 0.74. 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, mcb/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 :	2.35 GeV²
W :	2 GeV
x_b :	0.43
ε :	0.74

Observable quantity measured (Y axis): dσ/dt, mcb/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, mcb/GeV²	Stat. error, mcb/GeV²
0.6143656	1.103765	0.1438912
0.85	0.7239159	0.1052594
1.15	0.6334055	0.08757872
1.45	0.5623891	0.08338728
1.75	0.3883672	0.05820126
2.3	0.306423	0.05197145