CLAS Physics Database

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Measurement E216M639

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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 : 5 — 6 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 0.190547 0.036393 0.05713003
27 0.148013 0.020147 0.04811754
45 0.297874 0.0781717 0.08454681
63 0.16468 0.0147087 0.03197691
81 0.179102 0.0404953 0.03390719
99 0.170064 0.0155008 0.03068837
117 0.17856 0.016956 0.01400211
135 0.181736 0.0182416 0.01744154
153 0.278316 0.0356025 0.03299569
171 0.234127 0.0531755 0.05190934