CLAS Physics Database

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Measurement E216M584

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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 : 4.2 — 5 GeV2
W : 1.8 — 1.85 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 0.803179 0.0481119 0.06633733
27 0.792094 0.032611 0.06804103
45 0.775938 0.0230616 0.05978991
63 0.822272 0.0231966 0.06356724
81 0.869054 0.0289815 0.06670481
99 0.889277 0.0389537 0.06572033
117 0.758472 0.0324754 0.06432716
135 0.635762 0.027013 0.08047487
153 0.497981 0.0301718 0.13814376
171 0.575432 0.00143987 0.29974117