CLAS Physics Database

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Measurement E216M922

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Experiment: CLAS12 Run Group A, 2018

Spokespersons: Krishna Chandra

No publications available for this experiment

Quantity measured: dσ/dψ(π−), mcbn/rad
Differential cross section, where ψ(π−) is out-of-plane angle of p and 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 : 1.6 — 1.65 GeV

Observable quantity measured (Y axis): dσ/dψ(π−), mcbn/rad
Plot measurement data

Parameter (X axis): ψ(π−), deg

Click here to get data in text file, delimited with tabs.

Measured data:

ψ(π−),
deg
dσ/dψ(π−),
mcbn/rad
Stat. error,
mcbn/rad
Syst. error,
mcbn/rad
18 0.014556 0.0136917 0.00779403
54 0.037309 0.00719638 0.00422224
90 0.0338591 0.00490451 0.0036405
126 0.0452227 0.00608758 0.00412275
162 0.051237 0.00982551 0.00507291
198 0.0562153 0.0072376 0.00580937
234 0.0520075 0.00616215 0.00461069
270 0.0334561 0.0050774 0.00281202
306 0.0320925 0.005559 0.00409746
342 0.0323448 0.0130585 0.00694299