CLAS Physics Database

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Measurement E216M315

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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 : 3 — 3.5 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 1.82513 0.159476 0.32559496
27 1.70288 0.142256 0.32865096
45 1.63376 0.165164 0.21961853
63 1.63444 0.068223 0.17006864
81 1.99391 0.0754147 0.17198228
99 2.22557 0.0877714 0.18530096
117 2.093 0.0690666 0.16190297
135 1.9375 0.0613675 0.15105712
153 1.83249 0.0769519 0.1446741
171 1.80078 0.103642 0.14395316