CLAS Physics Database

JLab | Search | Overview | Login | Edit | Register

Measurement E213M512

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/dM(π+), mcb/GeV
Differential cross section, where M(π+) is invariant mass of π+ and π.
Beam: e, polarization: none
Target: p (Z=1, A=1), polarization: none
Final state: π+πp, polarization: none

Q2 : 2.4 — 3 GeV2
W : 1.675 — 1.7 GeV
Ebeam : 5.754 GeV

Observable quantity measured (Y axis): dσ/dM(π+), mcb/GeV
Plot measurement data

Parameter (X axis): M(π+), GeV

Click here to get data in text file, delimited with tabs.

Measured data:

M(π+),
GeV
dσ/dM(π+),
mcb/GeV
Stat. error,
mcb/GeV
Syst. error,
mcb/GeV
Total error,
mcb/GeV
0.297268 1.1481 0.1063 0.2869 2.5226
0.333525 6.5275 0.4471 1.216 1.2956
0.369781 9.2023 0.5605 1.5826 1.6789
0.406037 10.2141 0.6207 1.6887 1.7992
0.442294 10.7584 0.6333 1.7588 1.8694
0.47855 11.3632 0.6429 1.7828 1.8952
0.514806 12.4242 0.8428 1.8193 2.005
0.551062 13.3799 0.774 1.865 2.0192
0.587319 16.1858 1.0144 2.1312 2.3603
0.623575 14.2855 0.6083 1.6125 1.7234
0.659831 16.1703 1.0153 1.7033 1.983
0.696087 12.556 0.4483 1.2995 1.9458
0.732344 6.9544 0.443 0.7232 1.6141
0.7686 0.2895 0.0523 0.0686 0.0862