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Measurement E213M1328

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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 : 4.2 — 5 GeV2
W : 1.75 — 1.775 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 1.3332 0.1579 0.1704 0.2323
27 1.1518 0.1274 0.1448 0.1929
45 0.8283 0.0826 0.118 0.1441
63 0.8854 0.0837 0.1243 0.1499
81 0.8581 0.0705 0.1291 0.1471
99 0.9228 0.0748 0.1196 0.1411
117 0.7535 0.0545 0.0996 0.1136
135 0.5657 0.0536 0.0837 0.1256
153 0.4313 0.0319 0.2076 0.2967
171 0.7471 0.0023 0.4505 0.6384