CLAS Physics Database

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Measurement E1M645

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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), dimensionless

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

Measured data:

θ(π),
dimensionless
dσ/d(−cos(θ(π))),
mcbn/rad
Stat. error,
mcbn/rad
9 12.91707 1.8200929
27 13.238928 1.293902
45 10.957629 0.82679701
63 9.5198793 0.65040243
81 7.884644 0.7821874
98.99999 7.1011333 0.59248936
117 6.8780265 0.68861133
135 8.5723877 1.1117623
153 8.018774 0.88570815
171 7.5108943 1.0487204