CLAS Physics Database

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Measurement E1M83

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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 : 1.55 — 1.575 GeV
xb : 0.4482 — 0.4606

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 4.6123576 1.7179246 0
27 4.7592211 2.1992078 0
45 7.4533443 3.8067842 0
63 3.790869 0.71973407 0
81 4.2336998 1.4941448 0
98.99999 4.1895366 0.75496888 0
117 3.918927 0.81870389 0
135 4.6867824 1.5833073 0
153 5.3646245 1.2281209 0
171 3.9534118 0 0