CLAS Physics Database

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Measurement E216M908

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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(π+))), mcbn/rad
Differential cross section, where cos(θ(π+) is cosine of the azimuthal angle of π+ 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 : 1.5 — 1.55 GeV

Observable quantity measured (Y axis): dσ/d(−cos(θ(π+))), mcbn/rad
Plot measurement data

Parameter (X axis): θ(π+), deg

Click here to get data in text file, delimited with tabs.

Measured data:

θ(π+),
deg
dσ/d(−cos(θ(π+))),
mcbn/rad
Stat. error,
mcbn/rad
Syst. error,
mcbn/rad
9 0.11184 0.0411125 0.03005783
27 0.118831 0.0226382 0.01755598
45 0.150401 0.0190695 0.01558146
63 0.105503 0.0143336 0.01041748
81 0.0975959 0.0135516 0.01170924
99 0.119028 0.0214859 0.01773593
117 0.0929987 0.0227509 0.01156018
135 0.0591892 0.0115561 0.04590861
153 0.0539061 0.00055253 0.03973376
171 0.084905 7.355e-05 0.06123909