CLAS Physics Database

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Measurement E216M683

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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 : 1.65 — 1.7 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 0.518423 0.048967 0.04480903
27 0.489522 0.0255741 0.03805417
45 0.447197 0.0201962 0.03497755
63 0.506683 0.0195663 0.04014071
81 0.481006 0.0213443 0.03697306
99 0.425701 0.0239634 0.03356855
117 0.436357 0.0279924 0.04258227
135 0.404944 0.0397445 0.06234855
153 0.2785 0.014553 0.1128044
171 0.355089 0.00043514 0.18943855