CLAS Physics Database

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Measurement E216M711

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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 : 1.8 — 1.85 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 0.406905 0.0377926 0.05470108
27 0.418465 0.0487909 0.05659828
45 0.343005 0.0266575 0.03345471
63 0.363891 0.0177398 0.03704268
81 0.491136 0.0293612 0.04474112
99 0.575442 0.0260194 0.04823292
117 0.577811 0.0258844 0.05754835
135 0.506344 0.038251 0.04401209
153 0.501889 0.0312015 0.03901593
171 0.521961 0.0458454 0.05140902