CERN Accelerating science

CERN Published Articles

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2020-01-21
06:00
Design, construction, and beam tests of a rotatable collimator prototype for high-intensity and high-energy hadron accelerators / Markiewicz, T (SLAC) ; Bong, E (SLAC) ; Keller, L (SLAC) ; Smith, J (SLAC) ; Aberle, O (CERN) ; Accettura, C (CERN) ; Bertarelli, A (CERN) ; Berthome, E (CERN) ; Biancacci, N (CERN) ; Butcher, M (CERN) et al.
A rotatable-jaw collimator design was conceived as a solution to recover from catastrophic beam impacts which would damage a collimator at the Large Hadron Collider (LHC) or its High-Luminosity upgrade (HL-LHC). One such rotatable collimator prototype was designed and built at SLAC and delivered to CERN for tests with LHC-type circulating beams in the Super Proton Synchrotron (SPS). [...]
2019 - 15 p. - Published in : Phys. Rev. Accel. Beams 22 (2019) 123002

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2020-01-21
06:00
First steps in the development of the Multi Ion Reflection Apparatus for Collinear Laser Spectroscopy / Sels, S (CERN) ; Fischer, P (Greifswald U.) ; Heylen, H (CERN) ; Lagaki, V (CERN ; Greifswald U.) ; Lechner, S (CERN ; Vienna U.) ; Maier, F M (CERN ; Linz U.) ; Plattner, P (CERN ; Innsbruck U.) ; Rosenbusch, M (Greifswald U.) ; Wienholtz, F (CERN ; Greifswald U.) ; Wolf, R N (Greifswald U.) et al.
Collinear laser spectroscopy (CLS) has been combined with the multi-reflection time-of-flight (MR-ToF) technique. To this end, a photodetection system has been implemented at the drift region of a MR-ToF apparatus and a laser beam has been sent along the path of the ions that are stored between the two ion-optical mirrors. [...]
2020 - 5 p. - Published in : Nucl. Instrum. Methods Phys. Res., B 463 (2020) 310-314
In : 18th International Conference on Electromagnetic Isotope Separators and Related Topics, Geneva, Switzerland, 16 - 21 Sep 2018, pp.310-314

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2020-01-21
06:00
First demonstration of Doppler-free 2-photon in-source laser spectroscopy at the ISOLDE-RILIS / Chrysalidis, K (CERN ; Mainz U.) ; Wilkins, S G (CERN) ; Heinke, R (Mainz U.) ; Koszorus, A (Leuven U.) ; De Groote, R (Jyvaskyla U.) ; Fedosseev, V N (CERN) ; Marsh, B (CERN) ; Rothe, S (CERN) ; Garcia Ruiz, R (CERN) ; Studer, D (Mainz U.) et al.
Collinear Doppler-free 2-photon resonance ionization has been applied inside a hot cavity laser ion source environment at CERN-ISOLDE. An injection-seeded Ti:sapphire ring laser was used to generate light pulses with a Fourier-limited linewidth for high-resolution spectroscopy. [...]
2020 - 6 p. - Published in : Nucl. Instrum. Methods Phys. Res., B 463 (2020) 476-481
In : 18th International Conference on Electromagnetic Isotope Separators and Related Topics, Geneva, Switzerland, 16 - 21 Sep 2018, pp.476-481

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2020-01-18
06:06
Measurement of the relative response of small-electrode CMOS sensors at Diamond Light Source / Mironova, M (Oxford U.) ; Metodiev, K (Oxford U.) ; Allport, P (Birmingham U.) ; Berdalovic, I (CERN ; Zagreb U.) ; Bortoletto, D (Oxford U.) ; Buttar, C (Glasgow U.) ; Cardella, R (CERN ; Oslo U.) ; Dao, V (CERN) ; Dyndal, M (CERN) ; Freeman, P (Birmingham U.) et al.
This paper outlines the results of investigations into the effects of radiation damage in the mini-MALTA depleted monolithic pixel sensor prototype. Measurements were carried out at Diamond Light Source using a micro-focus X-ray beam, which scanned across the surface of the device in 2 μm steps. [...]
2020 - Published in : Nucl. Instrum. Methods Phys. Res., A 956 (2020) 163381

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2020-01-18
06:06
Isolde V / Giles, Tim (CERN)
Isolde V (Isolde five) is a proposal to build two new target stations at the CERN Isolde facility, along with new isotope separators, a high-resolution separator (HRS), and a new beam delivery system..
2020 - 4 p. - Published in : Nucl. Instrum. Methods Phys. Res., B 463 (2020) 254-257
In : 18th International Conference on Electromagnetic Isotope Separators and Related Topics, Geneva, Switzerland, 16 - 21 Sep 2018, pp.254-257

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2020-01-18
06:06
Atom beam emersion from hot cavity laser ion sources / Heinke, R (Mainz U.) ; Fedosseev, V (CERN) ; Kieck, T (Mainz U.) ; Kron, T (Mainz U. ; Helmholtz Inst., Mainz) ; Marsh, B (CERN) ; Raeder, S (Helmholtz Inst., Mainz ; Darmstadt, GSI) ; Richter, S (Mainz U.) ; Rothe, S (CERN) ; Wendt, K (Mainz U.)
Ion sources exploiting laser resonance ionization offer efficient and element-selective radioactive ion beam production at the leading isotope separation on-line facilities worldwide. Most commonly, laser resonance ionization takes place inside a resistively heated atomizer tube directly coupled to the production target, where the element of interest is evaporated and provided as atomic vapor. [...]
2020 - 6 p. - Published in : Nucl. Instrum. Methods Phys. Res., B 463 (2020) 449-454
In : 18th International Conference on Electromagnetic Isotope Separators and Related Topics, Geneva, Switzerland, 16 - 21 Sep 2018, pp.449-454

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2020-01-18
06:06
Using radioactive beams to unravel local phenomena in ferroic and multiferroic materials / Schell, J (CERN ; Duisburg-Essen U.) ; Hofsäss, H (Gottingen U.) ; Lupascu, D C (Duisburg-Essen U.)
The increasing interest in using ferroic and multiferroic materials in high-tech applications requires that the underlying physical phenomena are studied at the atomic scale. Time-differential perturbed angular correlation (TDPAC) measurements have a local character and can provide important information concerning combined magnetic dipole and electric quadrupole interactions in multiferroic systems. [...]
2020 - 4 p. - Published in : Nucl. Instrum. Methods Phys. Res., B 463 (2020) 134-137
In : 18th International Conference on Electromagnetic Isotope Separators and Related Topics, Geneva, Switzerland, 16 - 21 Sep 2018, pp.134-137

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2020-01-18
06:06
Very high specific activity erbium $^{169}$Er production for potential receptor-targeted radiotherapy / Formento-Cavaier, R (ADACAP,Saint-Genis-Pouilly ; GIP ARRONAX ; SUBATECH, Nantes) ; Köster, U (Laue-Langevin Inst.) ; Crepieux, B (CERN) ; Gadelshin, V M (Mainz U., Inst. Phys. ; Urals State U.) ; Haddad, F (GIP ARRONAX ; SUBATECH, Nantes) ; Stora, T (CERN) ; Wendt, K (Mainz U., Inst. Phys.)
Erbium $^{169}$Er is one of the most interesting radiolanthanides for new potential receptor-targeted β − therapy applications due to its low energy β − emissions, very low intensity ɣ rays and the possibility to use 68 Ga or 44 Sc as companion for diagnostic in a theranostics approach. Currently it can be produced in reactors through the neutron activation of highly enriched $^{168}$Er. [...]
2020 - 4 p. - Published in : Nucl. Instrum. Methods Phys. Res., B 463 (2020) 468-471
In : 18th International Conference on Electromagnetic Isotope Separators and Related Topics, Geneva, Switzerland, 16 - 21 Sep 2018, pp.468-471

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2020-01-18
06:06
The LIEBE high-power target: Offline commissioning results and prospects for the production of $^{100}$ Sn ISOL beams at HIE-ISOLDE / Boix Pamies, F (CERN) ; Stora, T (CERN) ; Barbero, E (CERN) ; Barozier, V (CERN) ; Bernardes, A P (CERN) ; Catherall, R (CERN) ; Conde Fernandez, B (CERN) ; Crepieux, B (CERN) ; Delonca, M (CERN) ; Dierckx, M (Belgian Ceramic Res. Ctr., Mons) et al.
With the aim of increasing the primary beam intensity in the next generation Radioactive Ion Beam facilities, a major challenge is the production of targets capable of dissipating high beam power, particularly for molten targets. In that context, a direct molten loop target concept was proposed for short-lived isotopes for EURISOL. [...]
2020 - 6 p. - Published in : Nucl. Instrum. Methods Phys. Res., B 463 (2020) 128-133
In : 18th International Conference on Electromagnetic Isotope Separators and Related Topics, Geneva, Switzerland, 16 - 21 Sep 2018, pp.128-133

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2020-01-18
06:06
Optimising the Collinear Resonance Ionisation Spectroscopy (CRIS) experiment at CERN-ISOLDE / Vernon, A R (Manchester U.) ; de Groote, R P (Jyvaskyla U. ; Leuven U.) ; Billowes, J (Manchester U.) ; Binnersley, C L (Manchester U.) ; Cocolios, T E (Leuven U.) ; Farooq-Smith, G J (Leuven U.) ; Flanagan, K T (Manchester U.) ; Garcia Ruiz, R F (Manchester U. ; CERN) ; Gins, W (Leuven U.) ; Koszorús, Á (Leuven U.) et al.
The CRIS experiment at CERN-ISOLDE is a dedicated laser spectroscopy setup for high-resolution hyperfine structure measurements of nuclear observables of exotic isotopes. Between 2015 and 2018 developments have been made to improve the background suppression, laser-atom overlap and automation of the beamline. [...]
2020 - 6 p. - Published in : Nucl. Instrum. Methods Phys. Res., B 463 (2020) 384-389
In : 18th International Conference on Electromagnetic Isotope Separators and Related Topics, Geneva, Switzerland, 16 - 21 Sep 2018, pp.384-389

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