CLAS Physics Database

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Measurement E216M945

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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 : 1.7 — 1.75 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 0.282157 0.0738093 0.05544686
27 0.132366 0.0245905 0.0229045
45 0.204642 0.0266672 0.02917958
63 0.20729 0.022795 0.02276012
81 0.291155 0.0403185 0.03123679
99 0.348219 0.0260799 0.03058667
117 0.273131 0.03715 0.03097463
135 0.34753 0.0298342 0.04891365
153 0.244556 0.0381402 0.03900582
171 0.181073 0.0427026 0.02298675