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Measurement E1M442

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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 : 0.5 — 0.8 GeV2
W : 1.6 — 1.625 GeV
xb : 0.2697 — 0.279

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 16.230335 2.2817295 0
27 21.792379 2.33992 0
45 12.105198 0.76586425 0
63 12.229102 0.6619038 0
81 11.356552 0.50002331 0
98.99999 10.436813 0.42048725 0
117 10.667191 0.4270069 0
135 13.117578 0.67423242 0
153 11.910635 1.3374203 0
171 10.114869 0.96387309 0