CLAS Physics Database

JLab | Search | Overview | Login | Edit | Register

Measurement E216M944

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 : 7 — 8 GeV2
W : 1.7 — 1.75 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 0.229938 0.0441524 0.03297874
27 0.232057 0.037922 0.0242406
45 0.321897 0.0238223 0.02669591
63 0.282399 0.0201274 0.02535125
81 0.259774 0.0191942 0.02244423
99 0.273293 0.0344962 0.02589482
117 0.299551 0.0489357 0.03523452
135 0.25943 0.0485783 0.04225386
153 0.154533 0.0149625 0.0650523
171 0.197716 0.00018087 0.10053073