CLAS Physics Database

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Measurement E216M954

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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 : 7 — 8 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 0.107019 0.0189199 0.02486587
27 0.187964 0.0454091 0.03392245
45 0.178626 0.0256614 0.02335941
63 0.175893 0.0239439 0.0204603
81 0.199686 0.0264902 0.01917032
99 0.313395 0.0606072 0.05758678
117 0.287289 0.039531 0.02736643
135 0.275674 0.0232074 0.02380376
153 0.254586 0.0279071 0.02207029
171 0.270919 0.0570148 0.04180171