CLAS Physics Database

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Measurement E216M342

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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 : 1.85 — 1.9 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 1.51928 0.14066 0.48606888
27 1.23031 0.0622863 0.16209695
45 1.10947 0.109506 0.12922941
63 1.10321 0.0363628 0.10696521
81 1.48945 0.0607936 0.13670427
99 1.70127 0.0513306 0.13795778
117 1.97877 0.0504192 0.1666538
135 1.92642 0.0790963 0.1571312
153 2.21202 0.0787529 0.17951885
171 2.57101 0.102835 0.20604687