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Measurement E213M851

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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 : 3 — 3.5 GeV2
W : 1.875 — 1.9 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 2.4464 0.1861 0.2565 0.3624
27 2.1588 0.1259 0.2251 0.2579
45 1.5254 0.1537 0.1896 0.2441
63 1.6645 0.1065 0.1935 0.2209
81 1.6286 0.1099 0.1963 0.225
99 1.933 0.0926 0.2118 0.2311
117 1.5683 0.1018 0.1835 0.2099
135 1.2976 0.078 0.1898 0.2743
153 0.972 0.0862 0.3667 0.5182
171 1.5197 0.0031 0.8827 1.2486