CLAS Physics Database

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Measurement E1M358

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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 : 1.425 — 1.45 GeV
xb : 0.3472 — 0.3611

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 8.7952423 1.6730223 0
27 10.204933 1.4263189 0
45 11.04547 1.0570449 0
63 11.694654 0.75965834 0
81 12.431545 0.81591254 0
98.99999 9.6639166 0.59805572 0
117 8.9870987 0.58335805 0
135 8.4145374 0.665757 0
153 9.2214174 1.2289709 0
171 11.711267 1.1358943 0