CLAS Physics Database

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Measurement E1M287

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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 : 1.975 — 2 GeV
xb : 0.2941 — 0.3009

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

Parameter (X axis): θ(π+), deg

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

Measured data:

θ(π+),
deg
dσ/d(−cos(θ(π+))),
mcbn/rad
Data errors,
mcbn/rad
Systematic errors,
mcbn/rad
9 7.887135 2.7727818 0
27 6.6989274 1.859184 0
45 4.9692826 0.71955782 0
63 6.2497983 1.3102955 0
81 4.1169696 0.55087376 0
98.99999 5.3778834 0.6855998 0
117 4.2978497 0.51510525 0
135 4.6225691 0.78819305 0
153 4.1343217 1.0288743 0
171 2.9722967 0 0