Article
Instruments & Instrumentation
L. T. Anh, P. V. Cuong, H. T. Thao, N. H. Tan, K. T. Thanh
Summary: In this work, a Geant4-based code, IS-2020, was developed for photonuclear studies below 200 MeV, specifically focusing on the giant dipole resonance (GDR) region. The G4LowEGammaNuclearModel was used to sample the final states of photonuclear reactions, including pre-equilibrium and equilibrium reaction mechanisms. The code was validated through simulations on Mo-96, Zr-90, and Eu-153 targets, and showed good agreement with experimental results for Co-59(gamma,2n)Co-57 and Cr-50(gamma,2n)Cr-48 reactions induced by bremsstrahlung. This implemented code will be a valuable and reliable tool for various photonuclear studies.
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
(2022)
Article
Engineering, Electrical & Electronic
Chloe Sole, Andy Buffler, Tanya Hutton, Tom Leadbeater, Richard Babut, Vincent Gressier, Michael Petit
Summary: The application of CAEN DT5730 digitizer unit for fast neutron metrology is investigated. By comparing with an analog system, the suitability of the digital system for fast neutron measurements is demonstrated.
IEEE TRANSACTIONS ON NUCLEAR SCIENCE
(2022)
Article
Instruments & Instrumentation
G. L. Wilson, T. S. Nagel, S. T. Marley, N. D. Scielzo, A. Aprahamian, J. A. Clark, A. Czeszumska, G. Savard, K. Siegl, B. S. Wang
Summary: This paper explores a new method for deducing neutron emission based on the time-of-flight measurement of recoiling ions, which overcomes the limitations of traditional methods that require neutron detection, and is crucial for extracting neutron energy accurately.
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
(2021)
Article
Astronomy & Astrophysics
O. Hall, T. Davinson, A. Estrade, J. Liu, G. Lorusso, F. Montes, S. Nishimura, V. H. Phong, P. J. Woods, J. Agramunti, D. S. Ahn, A. Algora, J. M. Allmond, H. Baba, S. Bae, N. T. Brewer, C. G. Bruno, R. Caballero-Folch, F. Calvino, P. J. Coleman-Smith, G. Cortes, I. Dillmann, C. Domingo-Pardo, A. Fijalkowska, N. Fukuda, S. Go, C. J. Griffin, R. Grzywacz, J. Ha, L. J. Harkness-Brennan, T. Isobe, D. Kahl, L. H. Khiem, G. G. Kiss, A. Korgul, S. Kubono, M. Labiche, I. Lazarus, J. Liang, Z. Liu, K. Matsui, K. Miernik, B. Moon, A. I. Morales, P. Morrall, M. R. Mumpower, N. Nepal, R. D. Page, M. Piersa, V. F. E. Pucknell, B. C. Rasco, B. Rubio, K. P. Rykaczewski, H. Sakurai, Y. Shimizu, D. W. Stracener, T. Sumikama, H. Suzuki, J. L. Tain, H. Takeda, A. Tarifeno-Saldivia, A. Tolosa-Delgado, M. Wolinska-Cichocka, R. Yokoyama
Summary: Theoretical models of beta-delayed neutron emission are crucial for r-process calculations, but lack of experimental data makes benchmarking predictions challenging. This study presents beta-delayed neutron emission probabilities for 33 nuclides, 16 for the first time, affecting final abundance distribution in the second r-process peak. Measurements were performed at RIKEN using advanced detectors, constraining theoretical model predictions in the region.
Article
Nuclear Science & Technology
Yu-Feng Gao, Bo-Shuai Cai, Cen-Xi Yuan
Summary: The importance of beta-decay half-life and beta-delayed neutron emission (beta(n)) in basic science and industrial applications, such as nuclear physics and nuclear energy, was discussed. The study used analytical formulas and compared them with experimental data to investigate beta-decay half-lives and beta(n) probabilities.
NUCLEAR SCIENCE AND TECHNIQUES
(2023)
Article
Chemistry, Analytical
Xiaowan Han, Xiangchuan Meng, Xiang Wang, Shan Leng, Qian Liu, Leilei Zhang, Pingping Li, Qingyang Zhang, Hai-Yu Hu
Summary: A new excited-state intramolecular proton transfer-delayed fluorescence (ESIPT-DF) approach was reported to construct analyte-stimulated DF probes. These new classes of ESIPT-DF luminophores, including HBT-PXZ and HBT-PTZ, exhibited significant ESIPT and DF characters. Furthermore, a caged probe HBT-PXZ-Ga was developed and applied to investigate the influence of metal ions on beta-gal activity.
ANALYTICAL CHEMISTRY
(2023)
Article
Nuclear Science & Technology
Hattan Natto, Haori Yang
Summary: Two groups of Cherenkov glass detectors were produced, with different compositions and configurations. Wavelength shifting fibers were implemented in four samples to improve the light output. The objective was to test the detectors for neutron detection and observe the effect of WLS fibers on the detection process. Experimental and simulated results showed an increase in light output when WLS fibers were added.
NUCLEAR TECHNOLOGY
(2023)
Article
Physics, Multidisciplinary
Eugenia Naselli, Domenico Santonocito, Simone Amaducci, Luigi Celona, Alessio Galata, Alain Goasduff, Giorgio Sebastiano Mauro, Maria Mazzaglia, Bharat Mishra, Daniel R. Napoli, Angelo Pidatella, Giuseppe Torrisi, David Mascali
Summary: The experiment aims to study weak interactions in stellar nucleosynthesis by measuring the beta decay rate in plasma under different thermodynamic conditions. The research utilizes a multi-diagnostic system and gamma-ray detectors to correlate plasma environment with decay rates, supported by numerical simulations.
FRONTIERS IN PHYSICS
(2022)
Article
Instruments & Instrumentation
Manuel Kreutle, Alessandro Borella, Simon Hebel, Gerald Kirchner
Summary: This paper presents the neutron transport simulation results of experimental configurations used in the 2019 IPNDV measurement campaign, and compares the results of different simulation codes to validate Geant4. The study contributes to the validation of Geant4 neutron physics in fissile material systems and for nuclear disarmament verification simulations.
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
(2023)
Article
Instruments & Instrumentation
M-D Zhu, X. Qin, L. Wang, W-Z Zhang, Y. Lin, X. Rong, J. Du
Summary: This paper presents an implementation of a high-resolution time-to-digital converter based on field-programmable gate arrays, which uses carry-chains and digital-signal-processor slices for time interpolating. By employing bits-counter decoders to manage output codes, the TDC achieves high utilization of time interpolating cells. The reported TDC shows improved precision and performance compared to previous studies, making it favorable for applications requiring high-resolution multichannel time measurements.
JOURNAL OF INSTRUMENTATION
(2021)
Article
Infectious Diseases
Daniel J. Selig, Adrian T. Kress, Robert J. Nadeau, Jesse P. DeLuca
Summary: This article examines the technical and clinical factors that affect the probability of target attainment (PTA) for beta-lactams, specifically cefepime. The study found that PTA results were consistent, but dosing recommendations varied depending on the definition of the pharmacodynamic (PD) target and specific clinical considerations.
Article
Radiology, Nuclear Medicine & Medical Imaging
Hem Moktan, Chad L. L. Lee, Sang Hyun Cho
Summary: Monte Carlo simulations were used to investigate the feasibility of detecting and imaging B-10 using CdTe detectors with a novel detector shield. Results showed that it is possible to achieve low detection limits (down to seven ppm) under clinically relevant conditions using 20 billion incident neutron histories.
Article
Instruments & Instrumentation
K. J. Kelly, J. M. O'Donnell, J. A. Gomez, M. Devlin, E. A. Bennett
Summary: Coincidence detection can provide a new depth of understanding in studying underlying processes. However, accurately measuring the random-coincidence background is essential due to the lower probability of detecting particles from the same physical event compared to random coincidences. A method has been introduced to directly determine the background without additional experimental run time or fake signals.
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
(2023)
Article
Nuclear Science & Technology
Shin Okumura, Toshihiko Kawano, Amy Elizabeth Lovell, Tadashi Yoshida
Summary: Energy-dependent calculations of fission product yields for different fissile materials were conducted and compared with experimental data. The study also investigated the possible impact of second chance fission on the energy dependence of delayed neutron yield.
JOURNAL OF NUCLEAR SCIENCE AND TECHNOLOGY
(2022)
Article
Nuclear Science & Technology
Yanuar Ady Setiawan, Hemantika Sengar, Douglas A. Fynan, Arief Rahman Hakim
Summary: Hard bremsstrahlung produced by decelerating beta rays is proposed as a source of delayed photoneutrons in heavy water reactors. Simulations confirm that high-energy beta rays produce enough bremsstrahlung with photon energies above the reaction threshold, making the beta-ray contribution comparable or greater than that from hard gamma rays emitted during the daughter's isomeric transition. However, issues with data availability, reliability, cross-section libraries, and decay-chain/parent-feeding phenomenon affect the accuracy of parameters derived from legacy experiments.
NUCLEAR SCIENCE AND ENGINEERING
(2023)
Article
Instruments & Instrumentation
E. Mendoza, V Alcayne, D. Cano-Ott, E. Gonzalez-Romero, T. Martinez, A. Perez de Rada, A. Sanchez-Caballero, J. Balibrea-Correa, C. Domingo-Pardo, J. Lerendegui-Marco, F. Calvino, C. Guerrero
Summary: Neutron capture cross section measurements in time-of-flight facilities are typically carried out by detecting prompt γ-rays emitted in capture reactions. This measurement faces the challenge of γ-rays changing with neutron energy, affecting detection efficiency. To address this, the Total Energy Detection (TED) technique, often combined with the Pulse Height Weighting Technique (PHWT), is commonly used. This work aims to demonstrate the feasibility of measuring with a high efficiency detection system using PHWT, and how to analyze the collected data.
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
(2023)
Article
Instruments & Instrumentation
A. Raggio, I. Pohjalainen, E. Rey-Herme, O. Beliuskina, J. Bequet, M. Block, T. Eronen, A. Illana, A. Jaries, A. Kankainen, D. Kumar, I. D. Moore, M. Mougeot, A. M. Plaza, M. Reponen, J. Saren, B. Sulignano, M. Stryjczyk, D. Thisse, M. Vandebrouck, J. Warbinek
Summary: A research programme focusing on the nuclear structure of actinide isotopes has been implemented at the IGISOL facility, where a new decay station called VADER has been developed. The system consists of different detectors that allow the measurement of various decay particles, enabling a full reconstruction of nuclear decay schemes. This measurement provides insights into the evolution of nuclear shell structure and potential shapes of neutron-deficient actinides.
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS
(2023)
Article
Multidisciplinary Sciences
Piet Van Isacker, Alejandro Algora, Andras Vitez-Sveiczer, Gabor Gyula Kiss, Sonja Elena Agata Orrigo, Berta Rubio, Pablo Aguilera
Summary: This study reports on recent experimental results on beta decay into self-conjugate nuclei with mass number 58 <= A <= 70. The restoration of pseudo-SU(4) symmetry is observed when A = 70.
Proceedings Paper
Nuclear Science & Technology
A. Perez De Rada, D. Cano-Ott, T. Martinez, V. Alcayne, E. Mendoza, J. Plaza, A. Sanchez-Caballero, D. Villamarin, J. Aysto, A. Jokinen, A. Kankainen, H. Penttila, S. Rinta-Antila, J. Agramunt, A. Algora, C. Domingo-Pardo, J. Lerendegui-Marco, J. L. Tain, K. Banerjee, C. Bhattacharya, P. Roy, F. Calvino, G. Cortes, C. Delafosse, I. Matea, J. Benito, S. Alhomaidhi, A. K. Mistry
Summary: The beta-delayed neutron emission in the As-85 beta-decay has been measured using a setup consisting of a plastic scintillator, MONSTER, and two types of γ-rays detectors at the IGISOL facility. The energy distribution of beta-delayed neutrons has been determined through iterative Bayesian unfolding of the TOR spectrum.
15TH INTERNATIONAL CONFERENCE ON NUCLEAR DATA FOR SCIENCE AND TECHNOLOGY, ND2022
(2023)
Article
Physics, Nuclear
E. Rey-herme, A. Raggio, M. Vandebrouck, I. Moore, I. Pohjalainen, C. Delafosse, R. de Groote, S. Geldhof, Z. Ge, M. Hukkanen, A. Kankainen, A. Koszorus, D. Nesterenko, J. Saren, B. Sulignano, Ch. Theisen, D. Thisse, A. P. Weaver
Summary: 225Pa and 221Ac were produced and studied at the IGISOL facility using different spectroscopic techniques. The level scheme of 221Ac and its daughter nucleus 217Fr were reconstructed. The interpretation of 221Ac levels as parity-doublet bands suggests a static reflection asymmetric shape for this nucleus.
Article
Physics, Nuclear
Z. Gao, A. Solders, A. Al-Adili, O. Beliuskina, T. Eronen, A. Kankainen, M. Lantz, I. D. Moore, D. A. Nesterenko, H. Penttila, S. Pomp, H. Sjostrand, IGISOL Team
Summary: The Phase-Imaging Ion-Cyclotron-Resonance technique was used to measure isomeric yield-ratios in fission by projecting ion motions onto a position-sensitive micro channel plate detector. A new analysis procedure was developed to determine the number of detected ions in each state, and corrections for detector efficiency and decay losses were applied. A Bayesian Gaussian Mixture model was implemented to calculate the population of states with small mass differences. The efficiency of the detector was calibrated and an efficiency function was constructed to correct the recorded distributions.
EUROPEAN PHYSICAL JOURNAL A
(2023)
Article
Physics, Nuclear
M. Hukkanen, W. Ryssens, P. Ascher, M. Bender, T. Eronen, S. Grevy, A. Kankainen, M. Stryjczyk, L. Al Ayoubi, S. Ayet, O. Beliuskina, C. Delafosse, W. Gins, M. Gerbaux, A. Husson, A. Jokinen, D. A. Nesterenko, I. Pohjalainen, M. Reponen, S. Rinta-Antila, A. De Roubin, A. P. Weaver
Summary: Precision mass measurements of neutron-rich rhodium isotopes have been conducted at the JYFLTRAP Penning trap mass spectrometer at the IGISOL facility. The study reports on the masses of ground and isomeric states in Rh-110, Rh-112, Rh-114, Rh-116, Rh-118, and Rh-120. The phase-imaging ion-cyclotron-resonance (PI-ICR) technique was used to separate and measure the isomeric states for the first time.
Proceedings Paper
Physics, Multidisciplinary
A. Vitez-Sveiczer, S. Kovacs, G. G. Kiss, Y. Saito, A. Tarifeno-Saldivia, M. Pallas, J. L. Tain, L. Dillmann, J. Agramunt, A. Algora, C. Domingo-Pardo, A. Estrade, C. Appleton, J. M. Allmond, P. Aguilera, H. Baba, N. T. Brewer, C. Bruno, R. Caballero-Folch, F. Calvino, P. J. Coleman-Smith, G. Cortes, T. Davinson, N. Fukuda, Z. Ge, S. Go, C. J. Griffin, R. K. Grzywacz, O. Hall, A. Horvath, J. Ha, L. J. Harkness-Brennan, T. Isobe, D. Kahl, T. T. King, A. Korgul, R. Krucken, S. Kubono, M. Labiche, J. Liu, J. Liang, M. Madurga, K. Miernik, F. Molina, A. I. Morales, M. R. Mumpower, E. Nacher, A. Navarro, N. Nepal, S. Nishimura, M. Piersa-Silkowska, V. Phong, B. C. Rasco, B. Rubio, K. P. Rykaczewski, J. Romero-Barrientos, H. Sakurai, L. Sexton, Y. Shimizu, M. Singh, T. Sprouse, T. Sumikama, R. Surman, H. Suzuki, T. N. Szegedi, H. Takeda, A. Tolosa-Delgado, K. Wang, M. Wolinska-Cichocka, P. Woods, R. Yokoyama, Z. Xu
Summary: In this experiment, neutron-rich lanthanides were produced through in-flight fission to measure their half-lives and beta-delayed neutron emission probabilities, which can help constrain r-process abundance calculations. The validation of the results was done using implantation-beta time correlations and gamma-spectroscopic methods, showing comparable uncertainties and mean values within the expected range.
ACTA PHYSICA POLONICA B PROCEEDINGS SUPPLEMENT
(2023)
Proceedings Paper
Physics, Multidisciplinary
A. Yaneva, S. Jazrawi, B. Das, M. Mikolajczuk, M. Gorska, P. H. Regan, B. Cederwall, J. Jolie, G. Benzoni, H. M. Albers, S. Alhomaidhi, T. Arici, A. Banerjee, M. M. R. Chishti, T. Davinson, J. Gerl, O. Hall, N. Hubbard, I. Kojouharov, A. K. Mistry, M. Polettini, M. Rudigier, E. Sahin, H. Schaffner, A. Sharma, H. J. Wollersheim, P. Boutachkov, T. Dickel, E. Haettner, H. Heggen, C. . H. Hornung, R. Knoebel, D. Kostyleva, N. Kurz, N. Kuzminchuk, I. Mukha, S. Pietri, W. R. Plass, ZS. Podolyak, C. Scheidenberger, Y. K. Tanaka, J. Vesic, H. Weick, U. Ahmed, O. Aktas, A. Algora, C. Appleton, J. Benito, A. Blazhev, A. Bracco, A. Bruce, M. Brunet, R. Canavan, A. Esmaylzadeh, L. M. Fraile, G. Haefner, K. P. Hucka, P. R. John, D. Kahl, V. Karayonchev, R. Kern, G. Kosir, R. Lozeva, P. Napiralla, B. S. Nara Singh, R. D. Page, C. M. Petrache, N. Pietralla, J. -M. Regis, H. Roesch, P. Ruotsalainen, V. Sanchez-Temble, L. Sexton, R. Shearman, M. Si, V. Werner, J. Wiederhold, K. Wimmer, W. Witt, P. Woods, G. Zimba
Summary: Direct lifetime measurements for excited states below previously reported isomers were performed using the FATIMA fast-timing LaBr3(Ce) array via gamma-gamma coincidences. The lifetimes below the I pi = 8+ seniority isomer in the N = 50 semi-magic 96Pd nucleus were studied as a benchmark for further analysis. The results confirm the published values for the I pi = 2+ and 4+ states, with improved accuracy achieved for the 4+ state lifetime.
ACTA PHYSICA POLONICA B PROCEEDINGS SUPPLEMENT
(2023)
Proceedings Paper
Physics, Multidisciplinary
V. Guadilla, A. Algora, M. Fallot, J. L. Tain, J. Agramunt, J. Aysto, J. A. Briz, A. Cucoanes, T. Eronen, M. Estienne, L. M. Fraile, E. Ganioglu, W. Gelletly, D. Gorelov, J. Hakala, A. Jokinen, D. Jordan, A. Kankainen, V. Kolhinen, J. Koponen, M. Lebois, L. Le Meur, T. Martinez, M. Monserrate, A. Montaner-Piza, I. Moore, E. Nacher, S. E. A. Orrigo, H. Penttila, I. Pohjalainen, A. Porta, J. Reinikainen, M. Reponen, S. Rinta-Antila, B. Rubio, K. Rytkonen, T. Shiba, V. Sonnenschein, A. A. Sonzogni, E. Valencia, V. Vedia, A. Voss, J. N. Wilson, A. -A. Zakari-Issoufou
Summary: This paper summarizes the experimental results of measuring the super-radiation decay of fission fragments using the Decay Total Absorption-ray Spectrometer, and introduces the advanced methods used in this study.
ACTA PHYSICA POLONICA B PROCEEDINGS SUPPLEMENT
(2023)
Article
Physics, Nuclear
D. A. Nesterenko, J. Ruotsalainen, M. Stryjczyk, A. Kankainen, L. Al Ayoubi, O. Beliuskina, P. Delahaye, T. Eronen, M. Flayol, Z. Ge, W. Gins, M. Hukkanen, A. Jaries, D. Kahl, D. Kumar, S. Nikas, A. Ortiz-Cortes, H. Penttilae, D. Pitman-Weymouth, A. Raggio, M. Ramalho, M. Reponen, S. Rinta-Antila, J. Romero, A. de Roubin, P. C. Srivastava, J. Suhonen, V. Virtanen, A. Zadvornaya
Summary: Neutron-rich 120-124In isotopes were studied to explore different states and excitation energies. Experimental results were compared with theoretical calculations.
Article
Instruments & Instrumentation
Jinlu Ruan, Liang Chen, Pengxiao Xu, Yapeng Zhang, Xue Du, Hongqiao Yin, Shiyi He, Fangbao Wang, Xun Zhang, Xiaoping Ouyang
Summary: A new SiC detector with a faster time response was developed to improve the temporal response of SiC-HPMTs. The improved SiC-HPMT showed significantly enhanced temporal response compared to the previous SiC-HPMT, and it can accurately measure the time information of fast pulsed radiation fields.
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
(2024)
Article
Instruments & Instrumentation
Kevin Nash
Summary: This article discusses the need for extensive upgrades of the LHC detectors, particularly the Outer Tracker, due to the demanding conditions and radiation of the High Luminosity LHC scenario. The design choices, technological approaches, and R&D activities for the Outer Tracker Phase-2 upgrade are highlighted.
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
(2024)
Article
Instruments & Instrumentation
S. A. Wotton
Summary: The hadron particle identification provided by LHCb's RICH system is crucial for the success of the experiment, and it will continue to play a significant role in Upgrade II. To maintain the current excellent particle identification performance, substantial improvements in the precision of measuring the space and time coordinates of detected photons in the RICH and in the resolution of the reconstructed Cherenkov angle are required.
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
(2024)
Article
Instruments & Instrumentation
R. Cardarelli, A. Rocchi, G. Aielli, P. Camarri, A. Di Ciaccio, L. Di Stante, B. Liberti, E. Pastori, L. Pizzimento, G. Proto
Summary: The Resistive Cylindrical Chamber (RCC) is a new generation of gaseous particle detectors that overcome the limitations of Resistive Plate Chambers (RPC) and expand their application range. By transitioning from planar to cylindrical geometry, while maintaining an almost planar electric field, the RCC achieves improved detection efficiency, increased gas pressure, and the possibility of using eco-friendly gases.
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
(2024)
Article
Instruments & Instrumentation
Giacomo Volpe
Summary: The ALICE collaboration is proposing a new apparatus, ALICE 3, to investigate the Quark Gluon Plasma (QGP) properties. In this context, conceptual studies for the development of a RICH detector for ALICE 3 are ongoing. The proposed baseline layout is a proximity-focusing RICH, using aerogel as Cherenkov radiator and Silicon Photomultipliers for photon detection. The detector specifications and performance obtained by Monte Carlo simulation are presented, along with the R&D challenges related to the design.
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
(2024)
Article
Instruments & Instrumentation
M. G. Mazarakis, E. Jongewaard, J. Ellsworth
Summary: This report presents experimental data and a step-by-step technique for evaluating the work functions of thermionic cathodes. The experiments were conducted using small-sized thermionic cathodes provided by Spectra-Mat corporation. The cathode electron current emission work function is emphasized as a crucial parameter for selecting cathodes in various applications.
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
(2024)
Article
Instruments & Instrumentation
M. Loyd, A. Khaplanov, V. Sedov, J. Beal, T. Visscher, C. Donahue, C. Montcalm, G. Warren, R. Butz, C. Boone, C. Hart, R. Riedel, Y. Diawara
Summary: Thermal and cold neutron beamlines require detector systems with high efficiency, large active area, and good spatial resolution. This study presents a new design of Anger camera using silicon photomultipliers (SiPMs) instead of photomultiplier tubes (PMTs), offering better resolution, less distortion, and more compactness. The use of SiPMs also enables the camera to be used in strong magnetic fields, providing additional experimental capabilities.
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
(2024)
Article
Instruments & Instrumentation
Thomas Neulinger, Hanno Filter, Oliver Zimmer
Summary: This paper describes the mathematical foundation for analyzing vertical time-of-flight (TOF) measurements using ultracold neutrons (UCN). It enables the spectroscopy of UCN with kinetic energies below the neutron optical potential of the detector entrance window. The paper provides general treatment methods and transformation rules for converting vertical TOF spectra into other spectra of interest.
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
(2024)
Article
Instruments & Instrumentation
Huynh Dinh Chuong, Nguyen Huynh Duy Khang, Le Thi Ngoc Trang, Nguyen Thi Truc Linh, Truong Thanh Sang, Nguyen Thanh Dat, Hoang Duc Tam
Summary: This paper presents a comparative study of three models, including virtual point detector (VPD), curve fitting (CF), and machine learning (ML), in determining the full-energy peak efficiency (FEPE) of HPGe detector. The study found that the ML model outperforms VPD and CF models in terms of accuracy.
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
(2024)
Article
Instruments & Instrumentation
M. H. Kushoro, M. Angelone, D. Bozzi, G. Gorini, F. La Via, E. Perelli Cippo, M. Pillon, M. Tardocchi, M. Rebai
Summary: This paper presents the characterization of a series of SiC detectors operated with partial polarization, achieving excellent energy resolution and detection characteristics for both alpha particles and neutrons. The results demonstrate the potential of SiC detectors for fast neutron detection in fusion experiments. The limitations and challenges for manufacturing thick SiCs in the future are also discussed.
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
(2024)
Article
Instruments & Instrumentation
Deb Sankar Bhattacharya, Andrea Bressan, Chandradoy Chatterjee, Silvia Dalla Torre, Mauro Gregori, Alexander Kiselev, Stefano Levorato, Anna Martin, Saverio Minutoli, Mikhail Osipenko, Richa Rai, Marco Ripani, Fulvio Tessarotto, Triloki Triloki
Summary: In this article, we report on the measurement of the time resolution of an LAPPD prototype using Cherenkov radiation emitted by high energy hadrons. Our approach has demonstrated the capability of measuring time resolutions as fine as 25-30 ps. The measured time resolution for single photoelectrons is about 80 ps r.m.s.
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
(2024)
Article
Instruments & Instrumentation
Bharti Rohila, S. R. Abhilash, Diwanshu, Chetan Sharma, Devinder Mehta, Ashok Kumar
Summary: Self-supporting and Au backed Ag-107 targets have been fabricated using a combination of cold rolling and e-beam melting technique. The method is efficient, resulting in targets without significant material loss or major contamination. Various techniques have been used for thickness measurements and characterizations, and one of the fabricated targets has been successfully used in a nuclear physics experiment.
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
(2024)
Article
Instruments & Instrumentation
B. Kronheim, A. Belloni, T. K. Edberg, S. C. Eno, C. Howe, C. Palmer, C. Papageorgakis, M. Paranjpe, S. Sriram
Summary: This paper presents measurements of the relative decrease of light output during irradiation of small plastic scintillator tiles read out by silicon photomultipliers. The study found substantial temporary damage during low-temperature irradiation, regardless of oxygen concentration and wrapping material. The wrapping material had an impact on the relative light loss, with the 3M(TM) Enhanced Specular Reflector Film showing the largest loss. The light loss was less at warmer temperatures and similar to that in standard atmosphere with 3% oxygen concentration. Evidence of a plateau in the radical density was seen for the data at 0 degrees C.
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
(2024)
Article
Instruments & Instrumentation
V. V. Haurylavets, V. K. Ivanov, A. V. Korol, A. V. Solov'yov
Summary: Computational modeling of high-energy electron passage through crystalline media is conducted using relativistic molecular dynamics. The results show good agreement with experimental data, demonstrating the accuracy of the simulations. Minor discrepancies between theory and experiment are discussed.
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
(2024)
Article
Instruments & Instrumentation
Luca Quaglia, R. Cardarelli, B. Liberti, E. Pastori, G. Proto, L. Pizzimento, A. Rocchi, G. Aielli, P. Camarri, A. Di Ciacco, L. Di Stante, R. Santonico, D. Boscherini, A. Bruni, L. Massa, A. Polini, M. Romano, L. Benussi, S. Bianco, D. Piccolo, G. Saviano, M. Abbrescia, L. Congedo, M. De Serio, G. Galati, G. Pugliese, S. Simone, D. Ramos, P. Salvini, A. Samalan, M. Tytgat, N. Zaganidis, J. Eysermans, A. Ferretti, M. Gagliardi, L. Terlizzi, E. Vercellin, P. Dupieux, B. Joly, S. P. Manen, R. Guida, B. Mandelli, G. Rigoletti, M. Barroso, M. C. Arena, A. Pastore, R. Aly, M. Verzeroli, S. Buontempo
Summary: Resistive Plate Chamber detectors are widely used in current High Energy Physics experiments. However, efforts are being made to find eco-friendly gas alternatives to Tetrafluoroethane. The RPC EcoGas@GIF++ collaboration aims to improve RPC technology, evaluate the performance of RPCs with eco-friendly gas mixtures, and conduct aging tests.
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
(2024)
