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Measurement E213M446

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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 : 1.475 — 1.5 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 2.2365 0.2279 0.295 0.3728
27 2.0811 0.0952 0.2473 0.265
45 1.8039 0.0895 0.2183 0.2359
63 1.7158 0.0839 0.2106 0.2267
81 1.6746 0.066 0.1997 0.2103
99 1.6392 0.0737 0.1972 0.2105
117 1.3871 0.1244 0.1807 0.2194
135 0.9037 0.0707 0.2047 0.3394
153 1.3087 0.0067 0.8011 1.1369
171 1.3187 0.0031 0.8073 1.1387