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Measurement E213M257

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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 : 1.675 — 1.7 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 4.7323 0.2536 0.5186 0.5773
27 4.4261 0.1567 0.4508 0.4773
45 4.2531 0.2337 0.4919 0.5446
63 3.6989 0.1399 0.4032 0.4268
81 4.1131 0.1492 0.4463 0.4706
99 3.9849 0.1302 0.4377 0.4567
117 4.2148 0.1791 0.4925 0.5241
135 3.6113 0.2396 0.6578 0.7001
153 3.2969 0.2001 1.4823 2.0947
171 3.9823 0.0049 2.3351 3.3093