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Measurement E211M1

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Experiment: e2a, 2025

Spokespersons: Steven Dytman

Experiment comment: Beam energies: 2.261 and 4.461 GeV with helium, carbon, and iron targets. All targets had natural isotopic abundance, He (100%), C (98.9%) and Fe (91.8%).

Publication:

Quantity measured: T, dimensionless
Transparency
Beam: e, polarization: none
Target: He (Z=2, A=0), polarization: none
Final state: ep/e, polarization: none


Observable quantity measured (Y axis): T, dimensionless
Plot measurement data

Parameter (X axis): Pp, GeV/c

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

Measured data:

Pp,
GeV/c
T,
dimensionless
Stat. error,
dimensionless
0.81 0.75 0.016
1 0.71 0.024
1.3 0.69 0.024
1.65 0.71 0.05