CLAS Physics Database

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Measurement E216M963

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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 : 1.8 — 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 0.205432 0.0348342 0.03601067
27 0.177512 0.0210478 0.02562656
45 0.129821 0.0172703 0.01782953
63 0.205353 0.0767816 0.08373836
81 0.219675 0.0218543 0.02118128
99 0.282786 0.0196445 0.04387012
117 0.260113 0.0212681 0.02118445
135 0.234173 0.0204594 0.02541145
153 0.238841 0.0261618 0.02200347
171 0.338057 0.0630523 0.0434739