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Measurement E213M437

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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 : 1.45 — 1.475 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 1.6497 0.1472 0.2778 0.3144
27 1.7321 0.0832 0.2622 0.275
45 1.5735 0.0718 0.2387 0.2493
63 1.538 0.0879 0.2381 0.2538
81 1.2694 0.0605 0.1935 0.2027
99 1.1463 0.053 0.1767 0.1845
117 1.0144 0.0748 0.1749 0.1902
135 0.791 0.0817 0.2258 0.9102
153 1.0805 0.0049 0.6943 0.6943
171 1.0628 0.0032 0.6829 0.6829