CLAS Physics Database

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Measurement E216M773

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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 : 6 — 7 GeV2
W : 1.45 — 1.5 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 0.231104 0.0609893 0.03654928
27 0.204522 0.0286771 0.01616948
45 0.193859 0.0221233 0.01564494
63 0.19308 0.0182102 0.01724173
81 0.169217 0.0165533 0.01413467
99 0.139304 0.0181164 0.01427305
117 0.135153 0.0374606 0.01955528
135 0.0881163 0.00645755 0.03560262
153 0.137164 0.0142277 0.06912229
171 0.187301 0.00016263 0.0960996