CLAS Physics Database

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Measurement E216M737

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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 : 1.95 — 2 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 0.739472 0.0511091 0.05808945
27 0.584589 0.0272913 0.04526794
45 0.559746 0.0189825 0.04012463
63 0.507163 0.0206914 0.03724022
81 0.499081 0.034153 0.03901852
99 0.518952 0.0276039 0.03764746
117 0.467723 0.0184838 0.03461079
135 0.342331 0.019269 0.03356761
153 0.242918 0.0272235 0.04346292
171 0.26035 0.00048723 0.13762182