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Measurement E213M1094

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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 : 3.5 — 4.2 GeV2
W : 1.825 — 1.85 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 1.5917 0.138 0.1925 0.2368
27 1.4133 0.0916 0.1728 0.1956
45 1.4679 0.1316 0.1905 0.2315
63 1.1345 0.0925 0.1548 0.1803
81 0.9067 0.1013 0.1371 0.1704
99 1.2049 0.0667 0.1543 0.1682
117 1.0001 0.056 0.1342 0.1454
135 0.8202 0.0665 0.1369 0.1522
153 0.6893 0.062 0.2787 0.2855
171 0.9957 0.0024 0.5908 0.5908