CLAS Physics Database

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Measurement E1M421

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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 : 1.575 — 1.6 GeV
xb : 0.279 — 0.2889

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 17.792814 2.0086207 0
27 18.206236 1.4522214 0
45 16.030706 0.92324847 0
63 13.129882 0.80412674 0
81 10.376843 0.56851369 0
98.99999 8.5485802 0.62414229 0
117 8.3298645 0.52708608 0
135 11.25793 1.2156628 0
153 9.7502155 1.2521505 0
171 10.016872 1.4180752 0