CLAS Physics Database

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Measurement E216M710

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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 : 1.8 — 1.85 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 0.47856 0.0397997 0.03964547
27 0.510373 0.0239266 0.0377375
45 0.493263 0.0201322 0.039305
63 0.514878 0.0239368 0.03917496
81 0.570881 0.0218266 0.04698368
99 0.558801 0.0250713 0.04168121
117 0.51053 0.0266488 0.04027878
135 0.401149 0.0296167 0.04885861
153 0.358581 0.0553743 0.09922219
171 0.323125 0.00044456 0.17137963