CLAS Physics Database

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Measurement E1M271

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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 : 1.95 — 1.975 GeV
xb : 0.3009 — 0.3079

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 7.6666203 2.3987281 0
27 8.2219076 2.7169852 0
45 5.9793115 1.0676843 0
63 5.2032027 1.0870023 0
81 5.3504944 0.7136364 0
98.99999 3.9812748 0.64752787 0
117 5.0590777 0.75254369 0
135 3.7685726 0.54407775 0
153 3.8259106 1.0134683 0
171 3.3265195 0 0