Conveners
Day 2: Nuclear Structure from fast-timing measurements (I)
- Sorin Gabriel Pascu (Horia Hulubei National Institute of Physics and Nuclear Engineering (RO))
Day 2: Nuclear Structure from fast-timing measurements (II)
- Luis M Fraile (CERN)
Day 2: Instrumentation (Sponsors)
- Simone Bottoni (Universitร degli Studi e INFN Milano (IT))
Day 2: Flash poster presentations
- Agnieszka Barbara Korgul (University of Warsaw (PL))
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Volker Werner (TU Darmstadt)28/04/2026, 09:10Nuclear structure from fast-timing measurementsInvited
With the advent of relatively high-energy resolution (around 2-3 %) fast scintillators the use of fast timing techniques has had a revival in the past two decades, and led to a large number of efforts in instrumentation and development of techniques in almost all laboratories for nuclear spectroscopy. This includes stable beam facilities as well as the most advanced rare-isotope...
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Dr Stefan Lalkovski (Sofia University)28/04/2026, 09:35Nuclear structure from fast-timing measurementsInvited
j-1 anomaly remains a mystery [1] 60 years after the first observations that something is not quite right with the low-energy poitive-parity states in the odd-A medium-mass Ag nuclei. Within the Shell model, nuclei with three particles or holes on g9/2, should have 9/2+ as their lowest-lying state. Instead, these nuclei have 7/2+ at even lower energies, which is considered to be anomalous...
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P. Koseoglou (Department of Physics, National and Kapodistrian University of Athens, Zografou Campus, GR-15784 Athens, Greece)28/04/2026, 10:00Nuclear structure from fast-timing measurementsPoster
All rare-earth isotopic chains are known to undergo a transition from spherical to deformed shapes between the magic neutron number N = 82 and the neutron mid-shell region around neutron number N = 104. Both $^{176}$Yb and $^{178}$Yb isotopes (with N = 106 and 108, respectively) show signs of strong deformation, standing on the deformed side of the ytterbium isotopic chain, with R$_{4/2}$ =...
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Frank Wu (Simon Fraser University)28/04/2026, 10:40Nuclear structure from fast-timing measurementsInvited
The semi-magic Sn nuclei, extending beyond the $N=50$ and $N=82$ shell closures, present one of the most-studied isotopic chains on the nuclear chart. $^{118}_{50}$Sn$_{68}$ and $^{120}_{50}$Sn$_{70}$ lie in the neutron mid-shell, where shape coexistence was proposed with the signature of deformed excited $0^+$ states intruding into the seniority-like spherical yrast bands. However, transition...
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David O'Donnell28/04/2026, 11:05Nuclear structure from fast-timing measurementsInvited
The atomic nuclei in the actinide region exhibit some of the most striking examples of collective structure in the nuclear chart, including strong quadrupole deformation, octupole correlations, and the emergence of reflection-asymmetric (pear-shaped) configurations. These phenomena give rise to enhanced electric dipole (E1) and octupole (E3) transition strengths, parity doublets, and low-lying...
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Victoria Vedia (CERN)28/04/2026, 11:30Nuclear structure from fast-timing measurementsOral presentation
Octupole correlations are a form of nuclear collectivity that break reflection symmetry, giving rise to pear-shaped nuclei. They appear as static deformation or dynamic vibrations, with a key probe of this behavior being the reduced electric-octupole strength, B(E3), with large values pointing strong octupole correlations. The clearest evidence for static octupole deformation is found in Ra...
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Jesรบs Sรกnchez Prieto (Consejo Superior de Investigaciones Cientificas (CSIC) (ES))28/04/2026, 11:50Nuclear structure from fast-timing measurementsOral presentation
The region around Nโ60 with Zโค40 has generated considerable interest as it features the most abrupt shape transition known to date in the nuclear chart, when crossing from N=58 to N=60 [1]. This transition is closely linked to shape coexistence [2], a phenomenon where two or more states with different intrinsic shapes coexist within the same nucleus at low excitation energy and within a narrow...
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Pablo Gonzalez-Tarrio Vicente (Universidad Complutense (ES))28/04/2026, 12:10Nuclear structure from fast-timing measurementsOral presentation
Abstract
The region around the doubly-magic $^{78}\mathrm{Ni}$ ($Z = 28$ and $N = 50$) is crucial for nuclear structure studies since it provides an ideal testing ground to investigate shell evolution and the interplay between single-particle and collective effects. Currently, many experimental and theoretical efforts are dedicated to investigate this region of the nuclear...
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Fabien Dubar (LUXIUM SOLUTIONS)28/04/2026, 13:30New detector technologiesOral presentation
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Mr Yuri Venturini (CAEN SpA)28/04/2026, 14:00Fast front-end and readout electronicsOral presentation
High-precision time measurements are crucial for both high-energy physics experiments and advanced medical imaging applications, such as Positron Emission Tomography (PET). Future detector systems require readout electronics that combine sub-10 ps timing resolution with scalability, compactness, and efficient multi-channel integration.
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The CAEN A5203 module, part of the FERS 5200 system,... -
Himanshu Kumar Singh28/04/2026, 14:30Nuclear structure from fast-timing measurementsPoster
Chirality is one of the most intriguing phenomena observed in atomic nuclei. It has been extensively reported in doubly odd nuclei within the mass region around A โ 130 [1]. A vital test for confirming the presence of chirality in nuclei involves examining the behavior of their in-band transition probabilities [2].ย Given this context, precise lifetime measurements of excited states are...
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Michaล Mลynarczyk (Faculty of Physics, University of Warsaw, PL-02-093 Warsaw, Poland)28/04/2026, 14:35Nuclear structure from fast-timing measurementsPoster
The study of $\beta$-decay properties of neutron-rich nuclei in the A $\approx$ 120 region provides key insights into nuclear-structure evolution and serves as a critical benchmark for modern theoretical models, as well as for astrophysical r-process simulations. In this context, the $\beta$-decay of $^{118}$Pd ($Z$ = 46, $N$ = 72), populating excited states in $^{118}$Ag, has been...
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Pawel Wakuluk (University of Warsaw (PL))28/04/2026, 14:40Nuclear structure from fast-timing measurementsPoster
Over the past several years, extensive studies have been devoted to the structure of neutron-rich tin isotopes, which possess a closed proton shell, with ยนยณยฒSn being a doubly magic nucleus. For this reason, these nuclei play a particularly important role in testing the validity of the nuclear shell model and serve as a benchmark for theoretical predictions. Information obtained in this region...
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Pedro Miguel Da Rocha Rodrigues (Universidade do Porto (PT))28/04/2026, 14:44Fast front-end and readout electronicsPoster
Advancements in low-cost FPGA-integrated digitizers are reshaping timing techniques in nuclear spectroscopy, enabling compact digital solutions for coincidence measurements. In this work, we present a fully digital time-differential perturbed angular correlation (TDPAC) spectrometer based on a commercial CAEN DT5730S digitizer (8 channels, 14-bit ADC, 500 MS/s) combined with PACIFICยฒ, an...
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Gabriel Garcia De Lorenzo (Universidad Complutense (ES))28/04/2026, 14:48Nuclear structure from fast-timing measurementsPoster
Regions near closed shells in areas of the nuclear chart far from stability are very interesting from the point of view of nuclear structure, since a shell model description based on single-particle states can be challenged by collective effects. One of the most interesting regions is the one around the doubly-magic $^{78}$Ni nucleus, with $Z = 28$ and $N = 50$ [Taniuchi2019].
Odd-$A$ $N =...
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Antonio Duarte Neves Cesario (Universidade do Porto (PT))28/04/2026, 14:52Fast front-end and readout electronicsPoster
In recent years, nuclear spectroscopy experiments have progressively replaced traditional analog setups with compact and affordable digital data acquisition systems. These systems reduce size and electronic complexity while maintaining adequate performance for a wide range of applications.
More recently, digital Time Differential Perturbed Angular Correlation (PAC) spectroscopy setups have...
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Vlad-Mihai Placinta (Horia Hulubei National Institute for R&D in Physics and Nuclear Engineering (IFIN-HH RO))28/04/2026, 14:56Fast front-end and readout electronicsPoster
The LHCb Ring Imaging Cherenkov (RICH) sub-detectors will undergo a major upgrade of their opto-electronics chain in the next decade. The upgrade will take place in two steps and will start first with the electronics chain upgrade during the LS3 Enhancement program for RUN 4, followed by a sensor replacement for Upgrade II during RUN 5. A novel front-end ASIC, the FastRICH, was designed to...
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Manfred Jaftha (University of the Western Cape)28/04/2026, 15:00Nuclear structure from fast-timing measurementsPoster
Neutron deficient nuclei in the A=80 mass region present a rich-nuclear structure where subshell effects give rise to sudden shape changes, from highly deformed nuclides in the Nโค40 region to spherical isotopes near N=50. Systematics of low-lying states and transitions in neutron-deficient strontium isotopes show a steady reduction in excitation energies and a corresponding increase in reduced...
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Geneva Anelska April (University of the Western Cape (ZA))28/04/2026, 15:04Nuclear structure from fast-timing measurementsPoster
Nuclides in the A โ 80 mass region provide an important testing ground for shape coexistence driven by sub-shell gaps and configuration mixing. The nucleus โธโฐSr is predicted to exhibit coexisting shapes at low excitation energy [1], but experimental information on non-yrast states and excited 0โบ levels remain limited. The first excited 0โบ state has been tentatively assigned near 1 MeV in...
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Piotr Michal Garczynski (University of Warsaw (PL))28/04/2026, 15:08Large scintillator and hybrid arraysPoster
Prompt and delayed gamma-ray spectroscopy of fission products is a robust method for measuring fragment yields in fusion-fission reactions. Currently, the analysis of $\gamma$-$\gamma$-$\gamma$ cascades and decay curves enables the extraction of absolute independent fragment yields, as demonstrated in recent studies on heavy-ion induced fission of the $^{215}$Fr and $^{194}$Hg systems at high...
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Dr Ivan Yakymenko (V.N. Karazin Kharkiv National University (UA))28/04/2026, 15:12Fast scintillators for time-of-flight PET and other imaging modalitiesPoster
In between modern technologies for precise tumor diagnosis at early stages, the positron emission tomography (PET) scanner is the most informative and โsensitiveโ tool used in medicine. The goal is to develop a new series of ultrafast (time resolution < 100 ps) scintillation detectors for time-of-flight positron emission tomography (ToF-PET) scanners oriented to replace the conventional PET...
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