CLAS Physics Database

JLab | Search | Overview | Login | Edit | Register

Measurement E213M491

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 : 2.4 — 3 GeV2
W : 1.6 — 1.625 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 1.9649 0.1402 0.3202 0.3496
27 1.8737 0.0964 0.2751 0.2915
45 1.6872 0.1066 0.2643 0.285
63 1.5084 0.0736 0.2338 0.2451
81 1.7333 0.0725 0.2571 0.2671
99 1.638 0.1184 0.2458 0.2728
117 1.6698 0.0878 0.2501 0.2651
135 1.3261 0.0756 0.2523 0.6285
153 1.2371 0.0907 0.7237 1.0719
171 1.6828 0.003 1.0598 1.4592