CLAS Physics Database

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Measurement E1M370

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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 : 1.45 — 1.475 GeV
xb : 0.3341 — 0.3472

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 7.5466166 1.3299677 0
27 11.536626 1.8330555 0
45 13.003794 1.3052779 0
63 14.048812 1.1374977 0
81 13.804413 0.71656436 0
98.99999 11.655017 0.67974675 0
117 10.485993 0.62110037 0
135 9.0000753 0.67628306 0
153 10.453654 1.4798478 0
171 9.1726141 0.55743855 0