CLAS Physics Database

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Measurement E1M49

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Experiment: E93-006 CLAS experiment, 2003

Spokespersons: V. D. Burkert, M. Ripani

Publication:

Quantity measured: dσ/d(−cos(θ(π))), mcbn/rad
Differential cross section, where cos(θ(π) is cosine of the azimuthal angle of π in CMS.
Beam: e, polarization: none
Target: p (Z=1, A=1), polarization: none
Final state: π+πp, polarization: none

Q2 : 1.1 — 1.5 GeV2
W : 1.5 — 1.525 GeV
xb : 0.4735 — 0.487

Observable quantity measured (Y axis): dσ/d(−cos(θ(π))), mcbn/rad
Plot measurement data

Parameter (X axis): θ(π), dimensionless

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

Measured data:

θ(π),
dimensionless
dσ/d(−cos(θ(π))),
mcbn/rad
Data errors,
mcbn/rad
Systematic errors,
mcbn/rad
9 4.9779496 2.0412829 0
27 5.1019125 1.9501615 0
45 7.5915027 2.2286339 0
63 6.7487755 2.17436 0
81 4.670846 1.0303234 0
98.99999 5.1716914 1.6301998 0
117 5.1427512 1.0464188 0
135 5.2099519 1.020829 0
153 6.6476092 1.7596366 0
171 2.917526 1.2749727 0