CLAS Physics Database

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Measurement E1M23

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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 : 1.425 — 1.45 GeV
xb : 0.5154 — 0.5306

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 1.9499958 0.49298733 0
27 3.2018485 1.8865844 0
45 2.8496542 0.58894384 0
63 3.0888724 0.94566 0
81 3.4161847 1.0548723 0
98.99999 4.8180232 2.4165537 0
117 3.1644044 0.68788111 0
135 3.2217274 1.1365331 0
153 2.0979698 0.79742682 0
171 3.7926495 0 0