CLAS Physics Database

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Measurement E216M720

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Experiment: CLAS12 Run Group A, 2018

Spokespersons: Krishna Chandra

No publications available for this experiment

Quantity measured: dσ/d(−cos(θ(p))), mcbn/rad
Differential cross section, where cos(θ(p)) is cosine of the azimuthal angle of p in CMS.
Beam: e, polarization: none
Target: p (Z=1, A=1), polarization: none
Final state: π+π−p, polarization: none

Q2 : 5 — 6 GeV2
W : 1.85 — 1.9 GeV

Observable quantity measured (Y axis): dσ/d(−cos(θ(p))), mcbn/rad
Plot measurement data

Parameter (X axis): θ(p), deg

Click here to get data in text file, delimited with tabs.

Measured data:

θ(p),
deg
dσ/d(−cos(θ(p))),
mcbn/rad
Stat. error,
mcbn/rad
Syst. error,
mcbn/rad
9 0.358011 0.0317992 0.04587954
27 0.363337 0.0284052 0.03921368
45 0.294081 0.0162386 0.0277081
63 0.341185 0.0207363 0.02892606
81 0.437257 0.0233753 0.03606485
99 0.581759 0.023833 0.04552366
117 0.597054 0.0305417 0.04744706
135 0.650498 0.0354449 0.06178706
153 0.636743 0.0308599 0.05283143
171 0.597001 0.130265 0.05274119