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Measurement E213M1229

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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 : 1.475 — 1.5 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 0.6203 0.1002 0.1386 0.1971
27 0.6389 0.0698 0.1245 0.1872
45 0.6649 0.0651 0.1316 0.1886
63 0.6003 0.0749 0.119 0.1406
81 0.4523 0.0454 0.0899 0.1007
99 0.4513 0.0485 0.0904 0.1026
117 0.3173 0.0645 0.0683 0.0939
135 0.5313 0.1456 0.1122 0.1838
153 0.368 0.0035 0.2484 0.2064
171 0.4312 0.0024 0.291 0.1908