CLAS Physics Database

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Measurement E216M701

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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 : 1.75 — 1.8 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 0.519969 0.0437585 0.04816534
27 0.535064 0.0289076 0.0393405
45 0.484912 0.0222787 0.03874956
63 0.484488 0.0214402 0.03717677
81 0.539201 0.0236708 0.04218277
99 0.586634 0.0302806 0.04331727
117 0.519775 0.0350633 0.04278
135 0.354759 0.0211752 0.05208625
153 0.326602 0.0722018 0.11172596
171 0.340237 0.00042857 0.18517942