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Measurement E213M644

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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 : 2.025 — 2.05 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 3.3673 0.223 0.4148 0.4709
27 3.0779 0.1587 0.3983 0.4288
45 2.1895 0.136 0.3484 0.374
63 2.0227 0.1345 0.3219 0.3488
81 1.842 0.0803 0.2806 0.2919
99 1.8581 0.0745 0.2835 0.2931
117 1.7831 0.0919 0.2758 0.2908
135 1.5724 0.0845 0.2834 0.2958
153 1.3359 0.1108 0.4707 0.4835
171 1.7925 0.0228 1.0487 1.049