CLAS Physics Database

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Measurement E216M647

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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 : 1.45 — 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 0.343215 0.0611243 0.03948614
27 0.321262 0.0330176 0.03224551
45 0.319349 0.0230384 0.02862724
63 0.28724 0.0201362 0.02367239
81 0.197437 0.0211748 0.0174119
99 0.199916 0.0203711 0.01634411
117 0.276856 0.0939635 0.07117472
135 0.208663 0.0348837 0.06444577
153 0.245948 0.0190741 0.11998706
171 0.325418 0.00028369 0.17077204