CLAS Physics Database

JLab | Search | Overview | Login | Edit | Register

Measurement E216M980

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 : 1.9 — 1.95 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 0.312763 0.0478545 0.02767175
27 0.301721 0.0278075 0.02439646
45 0.289446 0.0421092 0.0234244
63 0.271664 0.0194252 0.02300221
81 0.300163 0.0256695 0.02762427
99 0.301643 0.0286987 0.02903915
117 0.253771 0.0298547 0.0438821
135 0.169171 0.0316791 0.02267966
153 0.0882916 0.0131186 0.02997156
171 0.123277 0.00011985 0.06320147