CLAS Physics Database

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Measurement E216M656

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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 : 1.5 — 1.55 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 0.366801 0.0539926 0.0345556
27 0.292003 0.0304602 0.02344285
45 0.30053 0.0257751 0.02615734
63 0.309373 0.0185751 0.02489142
81 0.252444 0.0153515 0.02140742
99 0.216925 0.024137 0.01720114
117 0.24277 0.0268515 0.02300621
135 0.355059 0.0676529 0.07847484
153 0.216269 0.0119664 0.10478973
171 0.308954 0.00026977 0.1658432