CLAS Physics Database

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Measurement E216M409

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Experiment: CLAS12 Run Group A, 2018

Spokespersons: Krishna Chandra

No publications available for this experiment

Quantity measured: dσ/dψ(π−), mcbn/rad
Differential cross section, where ψ(π−) is out-of-plane angle of p 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(π−), mcbn/rad
Plot measurement data

Parameter (X axis): ψ(π−), deg

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

Measured data:

ψ(π−),
deg
dσ/dψ(π−),
mcbn/rad
Stat. error,
mcbn/rad
Syst. error,
mcbn/rad
18 0.218918 0.020155 0.03922071
54 0.202443 0.0124147 0.01978033
90 0.198916 0.00880134 0.01715881
126 0.19317 0.00935989 0.01653337
162 0.212298 0.0086868 0.01817893
198 0.204156 0.00930427 0.01686128
234 0.233816 0.0204265 0.03035317
270 0.204043 0.01069 0.020894
306 0.178486 0.0121619 0.02056333
342 0.236219 0.0288796 0.03904739