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Measurement E1M515

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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 : 1.75 — 1.775 GeV
xb : 0.2226 — 0.2295

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 15.143114 2.9247003 0
27 15.888216 2.1159847 0
45 12.662555 1.5688469 0
63 10.844062 0.55324793 0
81 10.397577 0.44035107 0
98.99999 10.515634 0.38195318 0
117 11.476517 0.61109108 0
135 11.390678 0.59043801 0
153 12.362715 1.347253 0
171 9.2662659 0.22217694 0