CLAS Physics Database

JLab | Search | Overview | Login | Edit | Register

Measurement E213M599

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 : 1.9 — 1.925 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 3.3924 0.178 0.3957 0.5684
27 2.979 0.1257 0.353 0.5011
45 2.2019 0.1648 0.3062 0.4391
63 2.3718 0.1076 0.3014 0.32
81 2.263 0.0853 0.2989 0.4201
99 2.5992 0.0879 0.3192 0.4506
117 2.3947 0.1077 0.3032 0.432
135 1.8048 0.1088 0.3067 0.4352
153 1.628 0.1372 0.5988 0.8491
171 2.1405 0.0045 1.2682 1.7909