CLAS Physics Database

JLab | Search | Overview | Login | Edit | Register

Measurement E216M504

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 : 3.5 — 4.2 GeV2
W : 2.05 — 2.1 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 0.8399 0.0456041 0.12965885
27 0.810147 0.0407315 0.08662834
45 0.664397 0.0426235 0.06768233
63 0.599311 0.0297688 0.05148541
81 0.797528 0.0330311 0.0715194
99 0.954532 0.0288443 0.07310869
117 1.09408 0.030142 0.08920767
135 1.39426 0.0368111 0.11109581
153 1.9413 0.0482658 0.14449092
171 2.65626 0.0883602 0.23014266