CLAS Physics Database

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Measurement E1M345

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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 : 1.4 — 1.425 GeV
xb : 0.3611 — 0.3758

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 4.9544506 0.96726114 0
27 7.5496063 1.324109 0
45 7.9946814 0.82390779 0
63 10.199746 0.71219856 0
81 10.334096 1.1239092 0
98.99999 9.67694 0.73960787 0
117 8.5592031 0.53871691 0
135 6.1896133 0.61762804 0
153 7.3570557 0.96279347 0
171 9.3266115 0.37673688 0