CLAS Physics Database

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Measurement E1M449

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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 : 1.625 — 1.65 GeV
xb : 0.2608 — 0.2697

Observable quantity measured (Y axis): dσ/d(−cos(θ(π))), mcbn/rad
Plot measurement data

Parameter (X axis): θ(π), dimensionless

Click here to get data in text file, delimited with tabs.

Measured data:

θ(π),
dimensionless
dσ/d(−cos(θ(π))),
mcbn/rad
Data errors,
mcbn/rad
Systematic errors,
mcbn/rad
9 19.32362 2.0289798 0
27 20.937099 1.3277245 0
45 17.697336 1.0545939 0
63 14.401879 0.738446 0
81 10.635473 0.53233546 0
98.99999 8.6164932 0.62897164 0
117 9.4276524 0.80970341 0
135 11.502986 1.1078687 0
153 10.201164 1.3695134 0
171 12.796333 2.4774392 0