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Measurement E213M581

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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 : 2.4 — 3 GeV2
W : 1.85 — 1.875 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 2.7309 0.1434 0.3437 0.4859
27 2.7387 0.1342 0.3414 0.4848
45 2.2962 0.1369 0.3142 0.4463
63 2.3783 0.1046 0.3158 0.3327
81 2.4361 0.1087 0.3291 0.3466
99 2.53 0.0771 0.3311 0.3399
117 2.3738 0.0988 0.3206 0.3354
135 1.8802 0.084 0.326 0.4667
153 1.5289 0.093 0.5995 0.8548
171 2.1403 0.0032 1.2857 1.8024