CLAS Physics Database

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Measurement E216M450

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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 : 3.5 — 4.2 GeV2
W : 1.75 — 1.8 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 0.906853 0.0493713 0.16398649
27 1.04732 0.093556 0.17297029
45 0.921516 0.0477132 0.12135782
63 1.10332 0.0604259 0.11767391
81 1.25451 0.0334523 0.11460837
99 1.27951 0.0313493 0.11380863
117 1.2804 0.0355621 0.11023656
135 1.16991 0.0282127 0.09484803
153 1.12861 0.0367437 0.08806644
171 1.34712 0.0732794 0.12265184