CLAS Physics Database

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Measurement E1M646

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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 : 0.8 — 1.1 GeV2
W : 1.525 — 1.55 GeV
xb : 0.3843 — 0.3966

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
Stat. error,
mcbn/rad
9 6.9276042 1.3329992
27 9.8820782 1.2142223
45 9.8180084 0.98228669
63 9.4173908 0.93502158
81 8.4194393 0.50373942
98.99999 7.2988753 0.34434313
117 7.868825 0.542548
135 7.1700878 0.56864744
153 8.8827934 1.1188108
171 6.8408265 0.54721063