CLAS Physics Database

JLab | Search | Overview | Login | Edit | Register

Measurement E213M1202

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 : 1.4 — 1.425 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 0.231 0.0468 0.1191 0.1668
27 0.353 0.0482 0.0999 0.1473
45 0.3659 0.0442 0.0983 0.1432
63 0.239 0.0336 0.078 0.0849
81 0.2774 0.0389 0.0841 0.0926
99 0.2745 0.0371 0.0777 0.0861
117 0.2167 0.0241 0.0778 0.0815
135 0.2069 0.0302 0.0922 0.097
153 0.2484 0.0023 0.1758 0.2462
171 0.2424 0.0023 0.1716 0.2432