CLAS Physics Database

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Measurement E216M630

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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 : 4.2 — 5 GeV2
W : 2.05 — 2.1 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 0.515816 0.0460075 0.07039338
27 0.491372 0.0251151 0.05143709
45 0.399606 0.0145908 0.03841369
63 0.421115 0.0262984 0.03471607
81 0.517087 0.0340475 0.04256522
99 0.628041 0.0195634 0.05319634
117 0.65791 0.0451221 0.05587084
135 0.873193 0.0313583 0.07024175
153 1.41088 0.0505354 0.10860832
171 1.91456 0.0747916 0.1492676