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Measurement E213M671

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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 : 2.1 — 2.125 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 2.6547 0.1315 0.3664 0.3893
27 2.6695 0.1492 0.3873 0.415
45 1.8569 0.0995 0.3276 0.3423
63 1.5644 0.0581 0.305 0.3105
81 1.651 0.0638 0.2704 0.2778
99 1.5749 0.0644 0.2636 0.2714
117 1.4481 0.0621 0.2573 0.2647
135 1.3445 0.1201 0.2771 0.302
153 1.0236 0.0559 0.4283 0.4319
171 1.527 0.004 0.9106 0.9106