CLAS Physics Database

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Measurement E216M594

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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 : 1.85 — 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 0.592422 0.0802834 0.10416453
27 0.583603 0.0387285 0.05790132
45 0.481823 0.0203786 0.04826929
63 0.518715 0.0322522 0.05062455
81 0.646556 0.0255738 0.05549426
99 0.907329 0.0358254 0.07452714
117 0.916128 0.0335513 0.08151143
135 0.898076 0.0269711 0.07113509
153 1.01162 0.0402778 0.07856142
171 1.1914 0.068315 0.09513022