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Measurement E213M1256

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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 : 1.55 — 1.575 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 0.5585 0.0914 0.1319 0.1934
27 0.7787 0.0744 0.1547 0.2257
45 0.4495 0.056 0.1026 0.1475
63 0.3719 0.0484 0.0871 0.0996
81 0.4229 0.0419 0.089 0.0983
99 0.4329 0.0385 0.0962 0.1036
117 0.4262 0.039 0.0886 0.0968
135 0.3833 0.0488 0.0866 0.1314
153 0.3518 0.0374 0.2165 0.3068
171 0.4085 0.002 0.2755 0.3872