CLAS Physics Database

JLab | Search | Overview | Login | Edit | Register

Measurement E216M332

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 : 3 — 3.5 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 1.51513 0.08454 0.13049174
27 1.57191 0.0461816 0.13014616
45 1.702 0.0345234 0.13444198
63 1.76231 0.0374811 0.13837029
81 1.77284 0.0864659 0.13542059
99 1.92894 0.0476113 0.14248341
117 1.73913 0.0463772 0.14972364
135 1.43855 0.0517014 0.18905237
153 0.986249 0.0506545 0.29108427
171 1.19283 0.00981084 0.67175122