CLAS Physics Database

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Measurement E216M682

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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 0.489056 0.0502148 0.07188216
27 0.58212 0.0483484 0.05940057
45 0.563909 0.0352514 0.04991784
63 0.494203 0.042442 0.04367972
81 0.432061 0.0258443 0.03613268
99 0.496185 0.0655783 0.05070528
117 0.465 0.0747484 0.06808417
135 0.34658 0.0181708 0.03031573
153 0.354402 0.0416672 0.03485991
171 0.464522 0.0477315 0.05252547