CLAS Physics Database

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Measurement E216M544

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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 : 4.2 — 5 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 0.136182 0.0187573 0.02055825
54 0.160366 0.0104316 0.01375222
90 0.167255 0.00951216 0.01316608
126 0.183172 0.00886047 0.01350564
162 0.184726 0.00844802 0.01495128
198 0.192113 0.00831539 0.01485035
234 0.186695 0.00811094 0.01384635
270 0.183856 0.0196548 0.01990337
306 0.168319 0.0174638 0.03040661
342 0.141442 0.0128477 0.02139717