CLAS Physics Database

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Measurement E216M261

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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 : 1.4 — 1.45 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 0.505376 0.0632007 0.15093212
27 0.506376 0.0416399 0.1260182
45 0.487647 0.0389234 0.11161978
63 0.480143 0.0666734 0.0775366
81 0.502218 0.06655 0.06714271
99 0.49646 0.0294169 0.04626935
117 0.664379 0.0712876 0.06643244
135 0.58339 0.0337834 0.04762669
153 0.697416 0.0566468 0.07093382
171 0.992686 0.167985 0.12214905