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Measurement E213M815

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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 : 1.775 — 1.8 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 1.8358 0.1455 0.2209 0.5885
27 1.4429 0.163 0.1796 0.2494
45 1.7661 0.1948 0.215 0.311
63 1.5304 0.0814 0.1916 0.2082
81 1.6532 0.1029 0.204 0.2285
99 1.7851 0.0754 0.2145 0.2274
117 1.6512 0.1011 0.2028 0.2266
135 1.0655 0.1172 0.1747 0.2561
153 0.9342 0.0651 0.382 0.5496
171 1.3915 0.0027 0.8317 1.1769