CLAS Physics Database

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Measurement E216M990

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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 : 1.95 — 2 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 0.25181 0.0478137 0.04006861
27 0.167749 0.0303761 0.02288984
45 0.174787 0.0569609 0.02439237
63 0.171394 0.024412 0.01999078
81 0.151204 0.0139498 0.01568493
99 0.25998 0.021665 0.02369019
117 0.316592 0.0263805 0.02743532
135 0.273522 0.0360035 0.02749176
153 0.354172 0.0545908 0.03353363
171 0.467134 0.0582527 0.04289029