CLAS Physics Database

JLab | Search | Overview | Login | Edit | Register

Measurement E216M522

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(p))), mcbn/rad
Differential cross section, where cos(θ(p)) is cosine of the azimuthal angle of p in CMS.
Beam: e, polarization: none
Target: p (Z=1, A=1), polarization: none
Final state: π+π−p, polarization: none

Q2 : 4.2 — 5 GeV2
W : 1.45 — 1.5 GeV

Observable quantity measured (Y axis): dσ/d(−cos(θ(p))), mcbn/rad
Plot measurement data

Parameter (X axis): θ(p), deg

Click here to get data in text file, delimited with tabs.

Measured data:

θ(p),
deg
dσ/d(−cos(θ(p))),
mcbn/rad
Stat. error,
mcbn/rad
Syst. error,
mcbn/rad
9 0.392094 0.0915701 0.08494904
27 0.367722 0.0424315 0.07559499
45 0.306061 0.0301809 0.05352096
63 0.360452 0.0325604 0.04751498
81 0.394907 0.028841 0.03646201
99 0.398659 0.0241144 0.03203908
117 0.430936 0.0267077 0.03733823
135 0.511413 0.0294815 0.03938238
153 0.53274 0.0921591 0.04779544
171 0.669007 0.0989682 0.12035787