CLAS Physics Database

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Measurement E1M239

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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 : 1.875 — 1.9 GeV
xb : 0.3226 — 0.3303

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 7.0549507 2.0297191 0
27 13.001225 3.3208251 0
45 4.4804235 1.0752041 0
63 6.313067 1.7381244 0
81 5.9499664 1.082109 0
98.99999 5.5435481 0.78525507 0
117 6.3334603 0.99076402 0
135 4.7156358 0.94848841 0
153 5.8348875 1.7468102 0
171 3.4345043 0 0