�ber die?-Strahl-Spektra und ihren Zusammenhang mit der ?-Strahlung

Meitner, Lise

doi:10.1007/bf01328399

Cited by 50 publications

(23 citation statements)

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“…Autoionization processes, predominantly Auger decay [5], but also Interatomic Coulombic Decay (ICD) [6] and Electron Transfer Mediated Decay (ETMD) [7] are particularly interesting on their own. Due to their correlated nature, they not only probe but also initiate or compete with intricate ultrafast electronic and nuclear dynamics e.g.…”

Section: Introductionmentioning

confidence: 99%

“…Further, in free electron laser experiments operating with ultrashort intense X-ray pulses, autoionization after multiple photoionization induces the Coulomb explosion of the target, which limits the achievable spectroscopic and temporal resolution [18]. Due to this wealth of applications, autoionization and especially the local Auger effect have been studied extensively both theoretically and experimentally since its discovery by Meitner [5] and description by Wentzel [1]. with energy E f (blue) and the continuum orbital |ψ α of the outgoing electron with the excess energy ε α .…”

Section: Introductionmentioning

confidence: 99%

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Multireference quantum chemistry protocol for simulating autoionization spectra: Test of ionization continuum models for the neon atom

2019

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In this contribution we present a protocol to evaluate partial and total Auger decay rates combining the restricted active space self-consistent field electronic structure method for the bound part and numerically obtained continuum orbitals in the single-channel scattering theory framework. On top of that, the two-step picture is employed to evaluate the partial rates. The performance of the method is exemplified for the prototypical Auger decay of the neon 1s −1 3p resonance. Different approximations to obtain the continuum orbitals, the partial rate matrix elements, and the electronic structure of the bound part are tested against theoretical and experimental reference data. It is demonstrated that the partial and total rates are most sensitive to the accuracy of the continuum orbital. For instance, it is necessary to account for the true direct Coulomb potential of the ion for the determination of the continuum wave functions. The Auger energies, however, can be reproduced quite well already with a rather small active space. Finally, perspectives of the application of the proposed protocol to molecular systems are discussed. arXiv:1905.05785v1 [physics.chem-ph]

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Multireference quantum chemistry protocol for simulating autoionization spectra: Test of ionization continuum models for the neon atom

2019

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“…2.012022 The decay of electronic vacancies is among the most fundamental secondary processes induced by photoionization and therefore relevant for many fields of physics and chemistry. Except for vacancies in the outermost valence orbitals, in general an isolated ionized atom or molecule may decay either radiatively with emission of fluorescence radiation or, if the energy stored in the vacancy is above the second ionization energy, by emission of secondary Auger electrons [1,2].…”

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confidence: 99%

Core-level interatomic Coulombic decay in van der Waals clusters

Hans

Küstner-Wetekam

Schmidt

et al. 2020

Phys. Rev. Research

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“…[81] is valid since seventy years. The identity of the 3 − yrast and three higher excited states is known since hundred years [82,83]. The excitation energies E Ek x obtained from 208 Pb(p, p ) data taken with the Elbeck magnetic spectrograph were used in subsequent papers [23,24,[27][28][29][30].…”

Section: Data Takingmentioning

confidence: 99%

Structure of negative parity states at $${\mathbf {6}\,\lesssim \, \mathbf {E}_\mathbf {x} <{\mathbf {7.0}} }$$ MeV in $$\mathbf {^{208}}{} \mathbf{Pb}$$

Heusler¹

2020

Eur. Phys. J. A

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In the doubly magic nucleus 208 Pb states at excitation energies 6 < ∼ E x < 7.0 MeV populated by the inelastic proton scattering via the doublet isobaric analog resonances g 7/2 +d 3/2 in 209 Bi are studied. Sixteen states containing dominant strengths of the configurations g 7/2 p 3/2 , d 3/2 p 3/2 , g 7/2 f 5/2 , d 3/2 f 5/2 are newly assigned spins from 2 − to 6 − , among them ten states are newly identified. Amplitudes with relative signs of up to four one-particle one-hole configurations with strengths down to 0.05% are determined in 40 states with spins from 1 − to 6 − . Amplitudes of configurations d 3/2 p 1/2 , d 3/2 p 3/2 , d 3/2 f 5/2 for fourteen states and amplitudes of g 7/2 p 1/2 , g 7/2 p 3/2 , g 7/2 f 5/2 for twenty-seven states are determined. Total strengths up to the full strength are found for configurations d 3/2 p 1/2 , d 3/2 p 3/2 , d 3/2 f 5/2 with spins from 1 − to 3 − and for g 7/2 p 1/2 , g 7/2 p 3/2 , g 7/2 f 5/2 with spins from 1 − to 6 − . 10 88 6.37 200 6486 25 6720 40 6601 d 3/2 f 5/2 2 − 13 66 6.44 20012 94 5.95 600 5874 51 6010 33 6002 g 7/2 p 1/2 4 − 13 5969 52 6.02 600 6274 g 7/2 f 5/2

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�ber die?-Strahl-Spektra und ihren Zusammenhang mit der ?-Strahlung

Cited by 50 publications

References 0 publications

Multireference quantum chemistry protocol for simulating autoionization spectra: Test of ionization continuum models for the neon atom

Multireference quantum chemistry protocol for simulating autoionization spectra: Test of ionization continuum models for the neon atom

Core-level interatomic Coulombic decay in van der Waals clusters

Structure of negative parity states at $${\mathbf {6}\,\lesssim \, \mathbf {E}_\mathbf {x} <{\mathbf {7.0}} }$$ MeV in $$\mathbf {^{208}}{} \mathbf{Pb}$$

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