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Measurement E213M356

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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 : 1.95 — 1.975 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 4.7813 0.2332 0.506 0.7136
27 3.7944 0.2835 0.4242 0.5994
45 3.2686 0.2028 0.4196 0.5957
63 3.1021 0.173 0.3848 0.4219
81 2.812 0.1624 0.3539 0.3893
99 3.0543 0.1217 0.3725 0.3919
117 3.0049 0.1117 0.3752 0.3915
135 2.55 0.1519 0.3998 0.5669
153 1.9296 0.1401 0.6394 0.9047
171 2.7167 0.0064 1.5736 2.2274