CLAS Physics Database

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Measurement E216M270

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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 : 3 — 3.5 GeV2
W : 1.45 — 1.5 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 0.799524 0.151184 0.17392292
27 0.754218 0.113981 0.15342893
45 0.619537 0.0497871 0.11705902
63 0.659984 0.0388974 0.09586807
81 0.72762 0.0426089 0.07526724
99 0.805132 0.0439406 0.07388687
117 0.806285 0.0330269 0.05857775
135 0.992093 0.125522 0.11842138
153 1.00824 0.0544102 0.08632132
171 1.24459 0.130987 0.12062105