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Measurement E213M302

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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 : 1.8 — 1.825 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 3.532 0.2173 0.4085 0.5768
27 3.5662 0.1524 0.3885 0.4923
45 3.1681 0.2099 0.3938 0.4463
63 3.1474 0.1228 0.3624 0.3826
81 3.5963 0.1575 0.4126 0.4416
99 3.906 0.1302 0.4301 0.4494
117 3.8522 0.1544 0.4445 0.4706
135 2.6515 0.1543 0.4465 0.6299
153 2.1325 0.1108 0.8726 1.3128
171 3.0488 0.0036 1.7912 2.5348