CLAS Physics Database

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Measurement E1M154

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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 : 1.7 — 1.725 GeV
xb : 0.3829 — 0.3928

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 7.7644243 2.0502229 0
27 9.835083 1.8945568 0
45 8.4620762 2.0162444 0
63 10.662107 2.1142733 0
81 9.6843548 1.8499066 0
98.99999 8.4164057 1.866619 0
117 7.1963215 0.77586985 0
135 7.9703569 2.013377 0
153 8.3017569 2.6138978 0
171 6.0784721 0 0