CLAS Physics Database

JLab | Search | Overview | Login | Edit | Register

Measurement E15M42

You are not logged in.

Experiment: E99-105, 2002

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

Measurement comment: Virtual photon polarization parameter ε = 0.72. Errors include statistics and point-to-point sytematics, added in quadrature.

Publication:

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 : 1.785 GeV2
W : 2.21 GeV
xb : 0.308
ε : 0.72

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 0.2071964 0.02607414
60 0.1832314 0.02317678
100 0.217963 0.02127254
140 0.2464718 0.02730858
220 0.2893134 0.02669607
260 0.2053942 0.02223044
300 0.1843145 0.02224779
340 0.2367357 0.02552963