CLAS Physics Database

JLab | Search | Overview | Login | Edit | Register

Measurement E216M953

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 : 1.75 — 1.8 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 0.275955 0.0503528 0.03810578
27 0.228638 0.0238042 0.01913057
45 0.276142 0.0214432 0.02428833
63 0.244589 0.029199 0.02157913
81 0.231627 0.0392851 0.0247652
99 0.258285 0.0240997 0.02068343
117 0.223756 0.0213218 0.02015905
135 0.205255 0.0279411 0.03478704
153 0.131725 0.0112874 0.05233356
171 0.159948 0.00014873 0.08286362