CLAS Physics Database

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Measurement E216M396

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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 : 1.45 — 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 0.483741 0.0505109 0.14394352
27 0.578611 0.0605729 0.12508611
45 0.478665 0.0349589 0.09437004
63 0.537214 0.0505334 0.08664695
81 0.62712 0.0888316 0.098594
99 0.556689 0.0311503 0.05466268
117 0.5881 0.0314041 0.04670725
135 0.703106 0.03263 0.05951969
153 0.784019 0.0545909 0.07924385
171 0.964808 0.0971664 0.10105577