CLAS Physics Database

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Measurement E216M477

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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(p))), mcbn/rad
Differential cross section, where cos(θ(p)) is cosine of the azimuthal angle of p in CMS.
Beam: e, polarization: none
Target: p (Z=1, A=1), polarization: none
Final state: π+π−p, polarization: none

Q2 : 3.5 — 4.2 GeV2
W : 1.9 — 1.95 GeV

Observable quantity measured (Y axis): dσ/d(−cos(θ(p))), mcbn/rad
Plot measurement data

Parameter (X axis): θ(p), deg

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

Measured data:

θ(p),
deg
dσ/d(−cos(θ(p))),
mcbn/rad
Stat. error,
mcbn/rad
Syst. error,
mcbn/rad
9 1.18425 0.0714398 0.17481396
27 0.978686 0.0468465 0.1107585
45 0.827769 0.0238517 0.08513351
63 0.876339 0.0276055 0.07616537
81 1.00617 0.039356 0.08537513
99 1.22046 0.042095 0.09787845
117 1.28878 0.0336501 0.10042077
135 1.33042 0.0311885 0.10478104
153 1.5991 0.046529 0.12570037
171 1.83686 0.253931 0.17805121