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Measurement E213M1283

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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 : 4.2 — 5 GeV2
W : 1.625 — 1.65 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 0.812 0.1363 0.1172 0.3562
27 0.7963 0.083 0.1009 0.1591
45 0.6558 0.0784 0.089 0.1327
63 0.5259 0.051 0.0781 0.0933
81 0.5735 0.0561 0.0781 0.0962
99 0.489 0.0415 0.0703 0.0816
117 0.4686 0.0401 0.0637 0.0753
135 0.4822 0.0442 0.0687 0.1011
153 0.3616 0.0268 0.1927 0.2754
171 0.567 0.0024 0.3395 0.4752