期刊
PHYSICAL REVIEW A
卷 93, 期 2, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevA.93.022501
关键词
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资金
- National Science Centre, Poland [DEC-2013/09/N/ST4/00327]
- Foundation for Polish Science START program
- Fulbright Junior Research Award Grant
- Foundation for Polish Science TEAM Project
- EU European Regional Development Fund
- Natural Science Foundation of China [21225314]
- NASA [NNX14AI55G]
- NASA [NNX14AI55G, 678860] Funding Source: Federal RePORTER
Recent advances in theoretical calculations of H-2 dissociation energies and ultra-accurate measurements of H2 transition frequencies give possibilities not only for testing QED and relativistic effects, but also for searching for physics beyond the standard model. In this paper we show that at the level of 10(-4) cm(-1) the uncertainty of the Doppler-limited H-2 line position determination is dominated by collisional line-shape effects. We question the paradigm that the unperturbed transition energy can be determined from linear extrapolation of the line shift to zero pressure.
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