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Large Shape Staggering in Neutron-Deficient Bi Isotopes
/ Barzakh, A (St. Petersburg, INP) ; Andreyev, A N (JAEA, Ibaraki ; York U., England) ; Raison, C (York U., England) ; Cubiss, J G (York U., England) ; Van Duppen, P (Leuven U.) ; Péru, S (CEA DAM) ; Hilaire, S (CEA DAM) ; Goriely, S (Brussels U., IAA) ; Andel, B (Comenius U.) ; Antalic, S (Comenius U.) et al.
The changes in the mean-square charge radius (relative to $^{209}$Bi), magnetic dipole, and electric quadrupole moments of $^{187,188,189,191}$Bi were measured using the in-source resonance-ionization spectroscopy technique at ISOLDE (CERN). A large staggering in radii was found in $^{187,188,189}$Big, manifested by a sharp radius increase for the ground state of $^{188}$Bi relative to the neighboring $^{187,189}$Big. [...]
2021 - 7 p.
- Published in : Phys. Rev. Lett. 127 (2021) 192501
Fulltext: PDF;
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3.
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4.
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Gamma Factory for CERN initiative - progress report
/ Dutheil, Yann (CERN) ; Abramov, Andrey (Royal Holloway, U. of London) ; Alden, Siobhan (Royal Holloway, U. of London) ; Alemany Fernandez, Reyes (CERN) ; Antsiferov, Pavel (Troitsk, IZMIRAN) ; Apyan, Armen (NAS Armenia, Yerevan) ; Bartosik, Hannes (CERN) ; Bessonov, Evgeny (Lebedev Inst.) ; Biancacci, Nicolo (CERN) ; Bieron, Jacek (Jagiellonian U.) et al.
The Gamma Factory (GF) initiative proposes to use partially stripped ion (PSI) beams as drivers of a new type of high-intensity and high-energy (0.1–400 MeV) photon source. As part of the ongoing Physics Beyond Collider studies, initial beam tests were carried out in 2017 and 2018 at the SPS and LHC with partially stripped xenon and lead beams [...]
CERN-PBC-CONF-2021-006.-
SISSA, 2020 - 10 p.
- Published in : PoS EPS-HEP2019 (2020) 020
Fulltext from publisher: PDF;
In : European Physical Society Conference on High Energy Physics (EPS-HEP) 2019, Ghent, Belgium, 10 - 17 Jul 2019, pp.020
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5.
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Structural trends in atomic nuclei from laser spectroscopy of tin
/ Yordanov, Deyan T. (Orsay, IPN ; CERN) ; Rodríguez, Liss V. (Orsay, IPN ; Heidelberg, Max Planck Inst.) ; Balabanski, Dimiter L. (ELI-NP, Bucharest) ; Bieroń, Jacek (Jagiellonian U.) ; Bissell, Mark L. (Manchester U.) ; Blaum, Klaus (Heidelberg, Max Planck Inst.) ; Cheal, Bradley (Liverpool U.) ; Ekman, Jörgen (Malmo U.) ; Gaigalas, Gediminas (Vilnius U.) ; Garcia Ruiz, Ronald F. (CERN ; MIT) et al.
Tin is the chemical element with the largest number of stable isotopes. Its complete proton shell, comparable with the closed electron shells in the chemically inert noble gases, is not a mere precursor to extended stability; since the protons carry the nuclear charge, their spatial arrangement also drives the nuclear electromagnetism [...]
2020 - 9 p.
- Published in : Commun. Phys. 3 (2020) 107
Accepted Author Manuscript: PDF; Fulltext from Publisher: PDF;
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6.
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Gamma Factory at CERN: Design of a proof-of-principle experiment
/ Dutheil, Yann (CERN) ; Alden, Siobhan (JAI, UK ; Royal Holloway, U. of London) ; Alemany-Fernández, Reyes (CERN) ; Apyan, Armen (Yerevan Phys. Inst.) ; Bartosik, Hannes (CERN) ; Bessonov, Evgeny (LPI, Moscow (main)) ; Biancacci, Nicolo (CERN) ; Bosco, Alessio (Royal Holloway, U. of London ; JAI, UK) ; Bruce, Roderik (CERN) ; Castelli, Fabrizio (INFN, Milan) et al.
The Gamma Factory (GF) initiative proposes to create novel research tools at CERN by producing, accelerating and storing highly relativistic partially stripped ion beams in the LHC rings and by exciting their atomic degrees of freedom by lasers, to produce high-energy photon beams. Their intensity would be several orders of magnitude higher than those of the presently operating light sources in the particularly interesting gamma-ray energy domain reaching up to 400 MeV. [...]
CERN-PBC-CONF-2021-009; CERN-ACC-2019-153.-
2019 - 4 p.
- Published in : 10.18429/JACoW-IPAC2019-MOPRB052
Fulltext from publisher: PDF;
In : 10th International Particle Accelerator Conference, Melbourne, Australia, 19 - 24 May 2019, pp.MOPRB052
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7.
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Gamma Factory Proof-of-Principle Experiment
/ Krasny, M W (Paris U., VI-VII ; CERN) ; Abramov, A ; Alden, S E ; Alemany Fernandez, R ; Antsiferov, P S ; Apyan, A ; Bartosik, H ; Bessonov, E G ; Biancacci, N ; Bieron, J et al.
The presented document if the Letter of Intent for the Gamma Factory Proof-of-Principle Experiment..
CERN-SPSC-2019-031 ; SPSC-I-253.
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2019. - 76 p.
Fulltext
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8.
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Inverse odd-even staggering in nuclear charge radii and possible octupole collectivity in $^{217,218,219}\mathrm{At}$ revealed by in-source laser spectroscopy
/ Barzakh, A E (St. Petersburg, INP) ; Cubiss, J G (York U., England) ; Andreyev, A N (York U., England ; JAEA, Ibaraki ; CERN) ; Seliverstov, M D (St. Petersburg, INP ; York U., England) ; Andel, B (Comenius U.) ; Antalic, S (Comenius U.) ; Ascher, P (Heidelberg, Max Planck Inst.) ; Atanasov, D (Heidelberg, Max Planck Inst.) ; Beck, D (Darmstadt, GSI) ; Bieroń, J (Jagiellonian U.) et al.
Hyperfine-structure parameters and isotope shifts for the 795-nm atomic transitions in $^{217,218,219}$At have been measured at CERN-ISOLDE, using the in-source resonance-ionization spectroscopy technique. Magnetic dipole and electric quadrupole moments, and changes in the nuclear mean-square charge radii, have been deduced. [...]
2019 - 9 p.
- Published in : Phys. Rev. C 99 (2019) 054317
Article from SCOAP3: PDF;
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9.
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Nuclear charge radii of $^{62−80}$Zn and their dependence on cross-shell proton excitations
/ Xie, L (Manchester U.) ; Yang, X F (Peking U., SKLNPT ; Leuven U.) ; Wraith, C (Liverpool U.) ; Babcock, C (Liverpool U.) ; Bieroń, J (Jagiellonian U.) ; Billowes, J (Manchester U.) ; Bissell, M L (Manchester U. ; Leuven U.) ; Blaum, K (Heidelberg, Max Planck Inst.) ; Cheal, B (Liverpool U.) ; Filippin, L (U. Brussels (main)) et al.
Nuclear charge radii of $^{62−80}$Zn have been determined using collinear laser spectroscopy of bunched ion beams at CERN-ISOLDE. The subtle variations of observed charge radii, both within one isotope and along the full range of neutron numbers, are found to be well described in terms of the proton excitations across the $Z=28$ shell gap, as predicted by large-scale shell model calculations. [...]
2019 - 5 p.
- Published in : Phys. Lett. B 797 (2019) 134805
Article from SCOAP3: PDF;
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10.
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Charge radii and electromagnetic moments of $^{195–211}$At
/ Cubiss, J G (York U., England) ; Barzakh, A E (St. Petersburg, INP) ; Seliverstov, M D (York U., England ; St. Petersburg, INP) ; Andreyev, A N (York U., England ; JAEA, Ibaraki ; Paisley U. ; CERN) ; Andel, B (Comenius U.) ; Antalic, S (Comenius U.) ; Ascher, P (Heidelberg, Max Planck Inst.) ; Atanasov, D (Heidelberg, Max Planck Inst.) ; Beck, D (Darmstadt, GSI) ; Bieroń, J (Jagiellonian U.) et al.
Hyperfine-structure parameters and isotope shifts of At195–211 have been measured for the first time at CERN-ISOLDE, using the in-source resonance-ionization spectroscopy method. The hyperfine structures of isotopes were recorded using a triad of experimental techniques for monitoring the photo-ion current. [...]
2018 - 19 p.
- Published in : Phys. Rev. C 97 (2018) 054327
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