A 354 Mb/s 0.37 mm 2 151 mW 32-User 256-QAM Near-MAP Soft-Input Soft-Output Massive MU-MIMO Data Detector in 28nm CMOS
- Award ID(s):
- 1652065
- NSF-PAR ID:
- 10142835
- Date Published:
- Journal Name:
- IEEE Solid-State Circuits Letters
- Volume:
- 2
- Issue:
- 9
- ISSN:
- 2573-9603
- Page Range / eLocation ID:
- 127 to 130
- Format(s):
- Medium: X
- Sponsoring Org:
- National Science Foundation
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We report on spectroscopic measurements on the
transition in neutral europium-151 and europium-153 at 459.4 nm. The center of gravity frequencies for the 151 and 153 isotopes, reported for the first time in this paper, to our knowledge, were found to be 652,389,757.16(34) MHz and 652,386,593.2(5) MHz, respectively. The hyperfine coefficients for the state were found to be , and , , which all agree with previously published results except for A(153), which shows a small discrepancy. The isotope shift is found to be 3163.8(6) MHz, which also has a discrepancy with previously published results.