CLAS Physics Database

JLab | Search | Overview | Login | Edit | Register

Measurement E15M8

You are not logged in.

Experiment: E99-105, 2002

Spokespersons: M. Garçon, 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/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 : 1.785 GeV2
W : 2.21 GeV
xb : 0.308
ε : 0.72

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
0.3232035 1.621644 0.2247376
0.55 0.9985728 0.1347291
0.85 0.5877599 0.09341597
1.15 0.5079855 0.07732006
1.45 0.4065763 0.07198392
1.75 0.3598678 0.066403
2.3 0.220989 0.04193124