CLAS Physics Database

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Measurement E216M873

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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 : 6 — 7 GeV2
W : 2 — 2.05 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 0.221905 0.0379308 0.03351319
27 0.196507 0.0250239 0.02615079
45 0.170946 0.0122459 0.02125068
63 0.172857 0.0148747 0.01761246
81 0.198666 0.0127816 0.01665314
99 0.268139 0.0157877 0.02295524
117 0.34065 0.0183649 0.02635997
135 0.402328 0.0211329 0.0317436
153 0.541484 0.0429802 0.04537095
171 0.680889 0.0583177 0.06145975