RILIS-ionized mercury and tellurium beams at ISOLDE CERN

Thomas Day Goodacre; Jonathan Billowes; K.  Chrysalidis; D V Fedorov; V N Fedosseev; B. A. Marsh

doi:10.1007/s10751-017-1398-6

RILIS-ionized mercury and tellurium beams at ISOLDE CERN

Thomas Day Goodacre, Jonathan Billowes, K. Chrysalidis, D V Fedorov, V N Fedosseev, B. A. Marsh

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Abstract

This paper presents the results of ionization scheme development for application at the ISOLDE Resonance Ionization Laser Ion Source (RILIS). Two new ionization schemes for mercury are presented: a three-step three-resonance ionization scheme, ionizing via an excitation to a Rydberg level and a three-step two-resonance ionization scheme, with a non-resonant final step to the ionization continuum that corresponded to a factor of four higher ionization efficiency. The efficiency of the optimal mercury ionization scheme was measured, together with the efficiency of a new three-step three resonance ionization scheme for tellurium. The efficiencies of the mercury and tellurium ionization schemes were determined to be 6 % and >18 % respectively.

Original language	English
Article number	41
Number of pages	10
Journal	Hyperfine Interactions
Volume	238
Early online date	22 Feb 2017
DOIs	https://doi.org/10.1007/s10751-017-1398-6
Publication status	Published - Nov 2017

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title = "RILIS-ionized mercury and tellurium beams at ISOLDE CERN",

abstract = "This paper presents the results of ionization scheme development for application at the ISOLDE Resonance Ionization Laser Ion Source (RILIS). Two new ionization schemes for mercury are presented: a three-step three-resonance ionization scheme, ionizing via an excitation to a Rydberg level and a three-step two-resonance ionization scheme, with a non-resonant final step to the ionization continuum that corresponded to a factor of four higher ionization efficiency. The efficiency of the optimal mercury ionization scheme was measured, together with the efficiency of a new three-step three resonance ionization scheme for tellurium. The efficiencies of the mercury and tellurium ionization schemes were determined to be 6 % and >18 % respectively.",

author = "{Day Goodacre}, Thomas and Jonathan Billowes and K. Chrysalidis and Fedorov, {D V} and Fedosseev, {V N} and Marsh, {B. A.}",

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T1 - RILIS-ionized mercury and tellurium beams at ISOLDE CERN

AU - Day Goodacre, Thomas

AU - Billowes, Jonathan

AU - Chrysalidis, K.

AU - Fedorov, D V

AU - Fedosseev, V N

AU - Marsh, B. A.

PY - 2017/11

Y1 - 2017/11

N2 - This paper presents the results of ionization scheme development for application at the ISOLDE Resonance Ionization Laser Ion Source (RILIS). Two new ionization schemes for mercury are presented: a three-step three-resonance ionization scheme, ionizing via an excitation to a Rydberg level and a three-step two-resonance ionization scheme, with a non-resonant final step to the ionization continuum that corresponded to a factor of four higher ionization efficiency. The efficiency of the optimal mercury ionization scheme was measured, together with the efficiency of a new three-step three resonance ionization scheme for tellurium. The efficiencies of the mercury and tellurium ionization schemes were determined to be 6 % and >18 % respectively.

AB - This paper presents the results of ionization scheme development for application at the ISOLDE Resonance Ionization Laser Ion Source (RILIS). Two new ionization schemes for mercury are presented: a three-step three-resonance ionization scheme, ionizing via an excitation to a Rydberg level and a three-step two-resonance ionization scheme, with a non-resonant final step to the ionization continuum that corresponded to a factor of four higher ionization efficiency. The efficiency of the optimal mercury ionization scheme was measured, together with the efficiency of a new three-step three resonance ionization scheme for tellurium. The efficiencies of the mercury and tellurium ionization schemes were determined to be 6 % and >18 % respectively.

U2 - 10.1007/s10751-017-1398-6

DO - 10.1007/s10751-017-1398-6

M3 - Article

SN - 0304-3843

VL - 238

JO - Hyperfine Interactions

JF - Hyperfine Interactions

M1 - 41

ER -

RILIS-ionized mercury and tellurium beams at ISOLDE CERN

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