Excitation probability of the hyperfine ground state of Doppler-broadened muonic hydrogen through dipole-forbidden transition

We apply a simple barrier penetration approach to calculate α-decay branching ratios to members of ground-state rotational band of heavy even-even nuclei. The influence of α-decay energy, the angular momentum of α-particle, and the excitation probability of the daughter nucleus is taken into account in our calculations. The theoretical branching ratios of α-transitions are found to agree with the available experimental data well.

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Toward the measurement of the hyperfine structure of muonic hydrogen in the FAMU experiment: Multi-pass cavity optimization for experiments with pulsed sources.

EPJ Web of Conferences ◽

10.1051/epjconf/201818101033 ◽

2018 ◽

Vol 181 ◽

pp. 01033

Author(s):

Dimitar Bakalov ◽

Mihail Stoilov

Keyword(s):

Ground State ◽

Time Distribution ◽

Hyperfine Splitting ◽

Muonic Hydrogen ◽

Simplified Model ◽

Preliminary Design ◽

Pulsed Lasers ◽

Optical Cavities ◽

Hyperfine Transitions ◽

Set Up

We consider a simplified model of the optical multi-pass cavity that is being currently developed by the FAMU collaboration for the measurement of the hyperfine splitting in the ground state of muonic hydrogen and of the Zemach radius of the proton. The model is focused on the time distribution of the events of laser-stimulated hyperfine transitions in the muonuc atom and may be helpful in the preliminary design of the FAMU experimental set-up and, more generally, in the optimization of multi-pass optical cavities for experiments with pulsed lasers.

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Precision laser spectroscopy of the ground state hyperfine splitting in muonic hydrogen

10.22323/1.295.0122 ◽

2018 ◽

Author(s):

Sohtaro Kanda

Keyword(s):

Laser Spectroscopy ◽

Ground State ◽

Hyperfine Splitting ◽

Muonic Hydrogen

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Chirped Laser Pulse Effect on a Quantum Linear Oscillator

Symmetry ◽

10.3390/sym12081293 ◽

2020 ◽

Vol 12 (8) ◽

pp. 1293

Author(s):

Valeriy A. Astapenko ◽

Evgeniya V. Sakhno

Keyword(s):

Laser Pulse ◽

Field Strength ◽

Ground State ◽

Theoretical Study ◽

Exact Expression ◽

Pulse Action ◽

Linear Oscillator ◽

Analytical Formulas ◽

Chirped Laser Pulse ◽

Excitation Probability

We present a theoretical study of the excitation of a charged quantum linear oscillator by chirped laser pulse with the use of probability of the process throughout the pulse action. We focus on the case of the excitation of the oscillator from the ground state without relaxation. Calculations were made for an arbitrary value of the electric field strength by utilizing the exact expression for the excitation probability. The dependence of the excitation probability on the pulse parameters was analyzed both numerically and by using analytical formulas.

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