CLAS Physics Database

JLab | Search | Overview | Login | Edit | Register

Measurement E216M836

You are not logged in.

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 : 1.8 — 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 0.285717 0.0380132 0.02494378
27 0.348477 0.0260275 0.0280332
45 0.325378 0.0178273 0.0259356
63 0.321837 0.0161708 0.0271405
81 0.353838 0.0184372 0.02879359
99 0.354195 0.0212335 0.02859345
117 0.334381 0.0242496 0.02834402
135 0.252362 0.0426961 0.03743199
153 0.185817 0.0196228 0.06108897
171 0.198394 0.00018702 0.10592496