CLAS Physics Database

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Measurement E216M674

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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 : 5 — 6 GeV2
W : 1.6 — 1.65 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 0.431951 0.0459874 0.03878071
27 0.337155 0.0215194 0.02682428
45 0.34123 0.0179189 0.02708239
63 0.325641 0.0155679 0.02573336
81 0.299213 0.0322825 0.02565088
99 0.321832 0.0216078 0.02458565
117 0.309451 0.0280382 0.02888539
135 0.293175 0.023044 0.05332952
153 0.208253 0.0212595 0.0860516
171 0.297642 0.00026854 0.15624183