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Measurement E216M971

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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 : 1.85 — 1.9 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 0.240522 0.0448148 0.03408857
27 0.310175 0.0329633 0.03097413
45 0.28401 0.0250309 0.02297691
63 0.304867 0.0264605 0.02780844
81 0.307279 0.024947 0.0265467
99 0.274897 0.0217501 0.02389057
117 0.209383 0.0209492 0.02148232
135 0.15482 0.0245795 0.02546235
153 0.0942568 0.0110573 0.03081482
171 0.115697 0.00010979 0.05953589