CLAS Physics Database

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Measurement E216M411

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Experiment: CLAS12 Run Group A, 2018

Spokespersons: Krishna Chandra

No publications available for this experiment

Quantity measured: dσ/dψ(p), mcbn/rad
Differential cross section, where ψ(p) is out-of-plane angle of π+ and π− in CMS.
Beam: e, polarization: none
Target: p (Z=1, A=1), polarization: none
Final state: π+π−p, polarization: none

Q2 : 3.5 — 4.2 GeV2
W : 1.55 — 1.6 GeV

Observable quantity measured (Y axis): dσ/dψ(p), mcbn/rad
Plot measurement data

Parameter (X axis): ψ(p), deg

Click here to get data in text file, delimited with tabs.

Measured data:

ψ(p),
deg
dσ/dψ(p),
mcbn/rad
Stat. error,
mcbn/rad
Syst. error,
mcbn/rad
18 0.426099 0.154815 0.14787081
54 0.234103 0.0208706 0.0301374
90 0.185949 0.00868133 0.01593879
126 0.173791 0.00942588 0.01397607
162 0.182115 0.00967653 0.01500001
198 0.189095 0.00806595 0.01550766
234 0.178828 0.00922897 0.01636675
270 0.168534 0.00878932 0.01403897
306 0.225922 0.0120825 0.02309423
342 0.238146 0.0154671 0.04570318