Perspectives for the VITO beam line at ISOLDE, CERN

Ruiz, R. F. Garcia; Bissell, M. L.; Gottberg, A.; Stachura, Monika; Hemmingsen, Lars; Neyens, G.; Severijns, N.

doi:10.1051/epjconf/20159307004

Cited by 9 publications

(7 citation statements)

References 47 publications

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“…The 68 Cu beam [56] was ionised to Cu I using the resonance ionisation laser ion source and directed to the VITO beamline [57]. At the end of the VITO beam line, a collection chamber was placed allowing for direct optical view of the sample holder, and hence the sample, that was mounted in the geometrical centre of the experimental setup as shown in figure 5.…”

Section: Applications In Chemistry and Biochemistrymentioning

confidence: 99%

TDPAC andβ-NMR applications in chemistry and biochemistry

Jancsó

Correia

Gottberg

et al. 2017

J. Phys. G: Nucl. Part. Phys.

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Time differential perturbed angular correlation (TDPAC) of γ-rays spectroscopy has been applied in chemistry and biochemistry for decades. Herein we aim to present a comprehensive review of chemical and biochemical applications of TDPAC spectroscopy conducted at ISOLDE over the past 15 years, including elucidation of metal site structure and dynamics in proteins and model systems. β-NMR spectroscopy is well established in nuclear physics, solid state physics, and materials science, but only a limited number of applications in chemistry have appeared. Current endeavors at ISOLDE advancing applications of β-NMR towards chemistry and biochemistry are presented, including the first experiment on 31Mg2+ in an ionic liquid solution. Both techniques require the production of radioisotopes combined with advanced spectroscopic instrumentation present at ISOLDE.

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Section: Applications In Chemistry and Biochemistrymentioning

confidence: 99%

TDPAC andβ-NMR applications in chemistry and biochemistry

Jancsó

Correia

Gottberg

et al. 2017

J. Phys. G: Nucl. Part. Phys.

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“…To determine the β-asymmetry parameter nuclei have to be polarised. The project is therefore being set up at the newversatile ion-polarised techniques on-line (VITO) beam line [84,85] at ISOLDE. Optical pumping with a circularly polarised laser beam will be used to polarise the 35 Ar beam before it will be implanted into a suitable crystal host placed in a holding magnetic field so as to maintain the polarisation sufficiently long ( ( ) t Ar = 1.78 s).…”

Section: 4mentioning

confidence: 99%

Weak interaction physics at ISOLDE

Severijns

Blank

2017

J. Phys. G: Nucl. Part. Phys.

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Radioactive nuclei offer unique possibilities to study the structure and symmetries of the weak interaction in nuclear β decay. The large variety of nuclear states available allows selecting the ones that are best suited to study the phenomena of interest with optimal sensitivity, while at the same time minimising the effects of nuclear structure. The ISOLDE facility, offering worldwide the largest variety and intensity of radioactive beams, is one of the best suited laboratories in this respect. Over the last decade or so different aspects of the weak interaction have been studied at ISOLDE, ranging from half-lives, branching ratios and nuclear masses relevant for the determination of the V ud quark-mixing matrix element, over β-asymmetry and bn correlation measurements searching for possible tensor and/or scalar contributions to the weak interaction, up to a measurement showing the effect of parity violation in the weak interaction in gamma decay. In addition, new projects respectively searching for scalar currents in the β-delayed proton decay of 32 Ar, or to determine the V ud quark-mixing matrix element from the β-asymmetry parameter in the mirror decay of 35 Ar, have just started.

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“…Spin-polarized radioactive nuclei have been a staple of nuclear and particle physics research since the discovery of parity violation [2]. With the use of polarized nuclei as a probe in fields ranging from fundamental interactions to material and life sciences [3,4,5], an initiative for a dedicated experiment at ISOLDE was started, and a beamline was built and commissioned. Results from the commissioning of the new beamline have been reported in Ref.…”

Section: Introductionmentioning

confidence: 99%

A new beamline for laser spin-polarization at ISOLDE

Gins

Harding

Baranowski

et al. 2019

Nuclear Instruments and Methods in Physics Research Section A:

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A beamline dedicated to the production of laser-polarized radioactive beams has been constructed at ISOLDE, CERN. We present here different simulations leading to the design and construction of the setup, as well as technical details of the full setup and examples of the achieved polarizations for several radioisotopes. Beamline simulations show a good transmission through the entire line, in agreement with observations. Simulations of the induced nuclear spin-polarization as a function of atom-laser interaction length are presented for 26,28 Na, [1] and for 35 Ar, which is studied in this work. Adiabatic spin rotation of the spin-polarized ensemble of atoms, and how this influences the observed nuclear ensemble polarization, are also performed for the same nuclei. For 35 Ar, we show that multiplefrequency pumping enhances the ensemble polarization by a factor 1.85, in agreement with predictions from a rate equations model.

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Perspectives for the VITO beam line at ISOLDE, CERN

Cited by 9 publications

References 47 publications

TDPAC andβ-NMR applications in chemistry and biochemistry

TDPAC andβ-NMR applications in chemistry and biochemistry

Weak interaction physics at ISOLDE

A new beamline for laser spin-polarization at ISOLDE

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