CLAS Physics Database

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Measurement E1M129

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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 : 1.65 — 1.675 GeV
xb : 0.4031 — 0.4137

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 5.5996442 2.2018247 0
27 5.3866925 1.8635882 0
45 10.746491 3.5684481 0
63 6.8585539 2.5588815 0
81 8.0084038 2.4024394 0
98.99999 7.2718153 1.8760768 0
117 8.917201 1.4036175 0
135 5.5026598 1.4038861 0
153 6.7494874 2.2667105 0
171 5.2694125 0.34102541 0