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Measurement E213M203

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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 — 2.4 GeV2
W : 1.525 — 1.55 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 3.5545 0.2457 0.4333 0.6145
27 2.8321 0.129 0.3008 0.4312
45 2.681 0.1606 0.329 0.4594
63 2.5525 0.1129 0.3077 0.3277
81 2.3866 0.0895 0.2761 0.2902
99 2.6078 0.1269 0.2976 0.3235
117 2.3797 0.1154 0.3199 0.3401
135 2.1933 0.1388 0.5357 0.7598
153 2.1929 0.0066 1.298 1.8418
171 2.2076 0.0039 1.3067 1.846