CLAS Physics Database

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Measurement E216M755

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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(π+))), mcbn/rad
Differential cross section, where cos(θ(π+) is cosine of the azimuthal angle of π+ in CMS.
Beam: e, polarization: none
Target: p (Z=1, A=1), polarization: none
Final state: π+π−p, polarization: none

Q2 : 5 — 6 GeV2
W : 2.05 — 2.1 GeV

Observable quantity measured (Y axis): dσ/d(−cos(θ(π+))), mcbn/rad
Plot measurement data

Parameter (X axis): θ(π+), deg

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

Measured data:

θ(π+),
deg
dσ/d(−cos(θ(π+))),
mcbn/rad
Stat. error,
mcbn/rad
Syst. error,
mcbn/rad
9 0.792524 0.0534886 0.06204598
27 0.678505 0.0298219 0.04917107
45 0.527095 0.0210959 0.0393767
63 0.483108 0.0182189 0.03658521
81 0.430784 0.0177599 0.0357943
99 0.432881 0.0213932 0.03169888
117 0.376488 0.0159423 0.03168949
135 0.294206 0.0220139 0.02901852
153 0.249642 0.0193749 0.04319477
171 0.24059 0.00056288 0.1267094