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Measurement E213M176

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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 — 2.4 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 3.0516 0.2641 0.4327 0.613
27 2.8421 0.1634 0.3407 0.4981
45 2.5512 0.1287 0.314 0.3393
63 2.0981 0.1108 0.2869 0.3075
81 2.3229 0.1309 0.2921 0.3201
99 2.1147 0.0984 0.2791 0.2959
117 2.0701 0.1448 0.3633 0.3911
135 1.7409 0.1034 0.6476 0.6558
153 2.1058 0.0049 1.2839 1.8164
171 2.0471 0.005 1.2481 1.7629