CLAS Physics Database

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Measurement E216M585

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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 : 4.2 — 5 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 0.717937 0.0611531 0.101191
27 0.62019 0.0441517 0.08519135
45 0.521668 0.0259068 0.0589549
63 0.586814 0.0335219 0.05648269
81 0.752848 0.0286085 0.06951137
99 0.924772 0.0450458 0.07696172
117 0.826499 0.0313164 0.07376012
135 0.774766 0.0291198 0.06584654
153 0.745314 0.0315424 0.05955463
171 0.897477 0.0612959 0.0954277