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Measurement E1M251

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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 : 1.9 — 1.925 GeV
xb : 0.3151 — 0.3226

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 7.3430934 2.5543857 0
27 6.2209411 1.6146637 0
45 6.817286 1.3208804 0
63 6.0245752 1.9719239 0
81 5.3303738 0.97552049 0
98.99999 5.4072695 0.7408765 0
117 4.7069411 0.66599941 0
135 4.9922147 0.9505654 0
153 4.5695715 1.2254548 0
171 3.4263256 0 0