CLAS Physics Database

JLab | Search | Overview | Login | Edit | Register

Measurement E213M1427

You are not logged in.

Experiment: E1-6, 2025, 2001

Spokespersons: R.W. Gothe, A. Trivedi

Experiment comment: Experiment year: 2001—2002

No publications available for this experiment

Quantity measured: dσ/d(−cos(θ(π+))), mcb/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 : 4.2 — 5 GeV2
W : 2.025 — 2.05 GeV
Ebeam : 5.754 GeV

Observable quantity measured (Y axis): dσ/d(−cos(θ(π+))), mcb/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+))),
mcb/rad
Stat. error,
mcb/rad
Syst. error,
mcb/rad
Total error,
mcb/rad
9 1.1372 0.1498 0.1536 0.2145
27 1.051 0.117 0.1726 0.2085
45 0.846 0.0676 0.187 0.1989
63 0.794 0.049 0.1746 0.1814
81 0.7096 0.0601 0.1182 0.1326
99 0.5653 0.05 0.1028 0.1143
117 0.5561 0.0362 0.1005 0.1069
135 0.3807 0.0479 0.0907 0.1026
153 0.3845 0.0503 0.162 0.1697
171 0.646 0.0021 0.3746 0.3746