CLAS Physics Database

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Measurement E1M259

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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 : 1.1 — 1.5 GeV2
W : 1.925 — 1.95 GeV
xb : 0.3079 — 0.3151

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 9.6411009 3.0090368 0
27 9.7253923 3.2647462 0
45 5.1913872 0.95877415 0
63 4.4166102 0.91132826 0
81 6.3412113 1.0003922 0
98.99999 4.0362654 0.60302413 0
117 4.7094488 0.53452879 0
135 5.735754 1.3285253 0
153 5.2716193 1.3201642 0
171 3.1354055 0 0