CLAS Physics Database

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Measurement E216M486

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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 : 1.95 — 2 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 1.16003 0.0679883 0.17268266
27 0.923556 0.0483968 0.09658763
45 0.780571 0.0231885 0.07146354
63 0.756435 0.0286467 0.06487321
81 0.863709 0.0237218 0.0687375
99 1.07127 0.02885 0.08510713
117 1.21554 0.0344012 0.09120403
135 1.3473 0.0325799 0.10282289
153 1.73118 0.0470335 0.13614544
171 2.15934 0.0858388 0.20175639