87 citations · 571 across the 34 of their papers we have counts for
35 papers
Physics-Informed Self-Supervised Learning for Joint Wire Calibration and Interaction Position Reconstruction in Multi-Wire Parallel Plate Avalanche Counters
Antoine Lemasson, Maurycy Rejmund
Scientific instruments require accurate calibration to convert detector signals into reliable physical observables. Conventional calibration procedures typically rely on dedicated…
Self-Supervised Calibration of Scientific Instruments Using Physical Consistency Constraints
M. Rejmund, A. Lemasson
Calibration remains one of the principal obstacles to the deployment of machine learning in scientific instrumentation because it typically relies on expert intervention, dedicated…
Analysis of Atomic Charge State and Atomic Number for VAMOS++ Magnetic Spectrometer using Deep Neural Networks and Fractionally Labelled Events
M. Rejmund, A. Lemasson
The VAMOS++ magnetic spectrometer is a multi-parametric system that integrates ion optical magnetic elements with a multi-detector stack. The magnetic elements, along with the trac…
Seven-dimensional Trajectory Reconstruction for VAMOS++
M. Rejmund, A. Lemasson
The VAMOS++ magnetic spectrometer is characterized by a large angular and momentum acceptance and highly non-linear ion optics properties requiring the use of software ion trajecto…
Probing exotic cross-shell interactions at N=28 with single-neutron transfer on 47K
C. J. Paxman, A. Matta, W. N. Catford +76
We present the first measurement of the K()K transfer reaction, performed in inverse kinematics using a reaccelerated beam of K. The level scheme of $^{4…
High-resolution spectroscopy of neutron-rich Br isotopes and signatures for a prolate-to-oblate shape transition at N=56
J. Dudouet, G. Colombi, D. Reygadas Tello +39
The first systematic experimental study of the neutron-rich Br isotopes with two complementary state-of-the-art techniques is presented. These isotopes have been populated in the f…
Search for the origin of wobbling motion in the region: The case of Xe
S. Chakraborty, S. Bhattacharyya, R. Banik +24
In-beam -ray spectroscopy of Xe has been carried out to study the structure of the intruder band. Excited states were populated via an -induced fusion…
Particle Identification at VAMOS++ with Machine Learning Techniques
Y. Cho, Y. H. Kim, S. Choi +45
Multi-nucleon transfer reaction between 136Xe beam and 198Pt target was performed using the VAMOS++ spectrometer at GANIL to study the structure of n-rich nuclei around N=126. Unam…
Advancements of -ray spectroscopy of isotopically identified fission fragments with AGATA and VAMOS++
A. Lemasson, J. Dudouet, M. Rejmund +3
-ray spectroscopy of fission fragments is a powerful method for studies of nuclear structure properties. Recent results on the spectroscopy of fission fragments, using the combi…
Fast trajectory reconstruction techniques for the large acceptance magnetic spectrometer VAMOS++
A. Lemasson, M. Rejmund
The large angular and momentum acceptance magnetic spectrometer VAMOS++, at GANIL, France, is frequently used for nuclear structure and reaction dynamics studies. It provides an ev…
Experimental evidence of the effect of nuclear shells on fission dissipation and time
D. Ramos, M. Caamano, F. Farget +20
Nuclear fission is still one of the most complex physical processes we can observe in nature due to the interplay of macroscopic and microscopic nuclear properties that decide the…
Shell-model study of octupole collectivity near 208Pb
P. Van Isacker, M. Rejmund
We show that the collectivity of the particle-hole wave function of low-lying octupole 3^- states in doubly magic nuclei is mainly due to the neutron-proton interaction. Both the e…
Structure of As, As and As: from semi-magicity to -softness
K. Rezynkina, D. D. Dao, G. Duchene +41
The structure of As, As and As have been studied in fusion-fission reaction U+Be. Fission fragments were identified in mass and atomic number using…
Narrow resonances in the continuum of the unbound nucleus F
V. Girard-Alcindor, A. Mercenne, I. Stefan +100
The structure of the unbound F nucleus is investigated using the inverse kinematics resonant scattering of a radioactive O beam impinging on a CH target. The anal…
Complete set of bound negative-parity states in the neutron-rich 18N nucleus
S. Ziliani, M. Ciemała, F. C. L. Crespi +54
High-resolution gamma-ray spectroscopy of 18N is performed with the Advanced GAmma Tracking Array AGATA, following deep-inelastic processes induced by an 18O beam on a 181Ta target…
Pseudo spin doublet bands and Gallagher Moszkowski doublet bands in Y
E. H. Wang, J. H. Hamilton, A. V. Ramayya +21
New transitions in neutron rich Y have been identified in a Be+U experiment with mass- and Z- gates to provide full fragment identification. These transitions a…
Accessing tens-to-hundreds femtoseconds nuclear state lifetimes with low-energy binary heavy-ion reactions
M. Ciemala, S. Ziliani, F. C. L. Crespi +52
A novel Monte Carlo technique has been developed to determine lifetimes of excited states in the tens-to-hundreds femtoseconds range. The method is applied to low-energy heavy-ion…
Prompt-delayed -ray spectroscopy of neutron-rich In isotopes
S. Biswas, A. Lemasson, M. Rejmund +23
The fusion and transfer induced fission reaction Be(U,~f) with 6.2 MeV/u beam energy, using a unique setup consisting of AGATA, VAMOS++ and EXOGAM detectors, was used…
Scission configuration of U from yields and kinetic information of fission fragments
D. Ramos, M. Caamano, A. Lemasson +25
The simultaneous measurement of the isotopic fission-fragment yields and fission-fragment velocities of U has been performed for the first time. The U fissioning sy…
Testing ab initio nuclear structure in neutron-rich nuclei: lifetime measurements of second 2+ states in 16C and 20O
M. Ciemala, S. Ziliani, F. C. L. Crespi +91
To test the predictive power of ab initio nuclear structure theory, the lifetime of the second 2+ state in neutron-rich 20O, tau(2+_2 ) = 150(+80-30) fs, and an estimate for the li…
First direct measurement of isotopic fission-fragment yields of U
D. Ramos, M. Caamano, A. Lemasson +25
A direct and complete measurement of isotopic fission-fragment yields of U has been performed for the first time. The U fissioning system was produced with an avera…
Effects of one valence proton on seniority and angular momentum of neutrons in neutron-rich Sb isotopes
S. Biswas, A. Lemasson, M. Rejmund +58
The neutron-rich Sb isotopes were produced as fission fragments in the reaction Be(U,~f) with 6.2 MeV/u beam energy. An unique setup, consisting of AGATA,…
Deformed band structures in neutron-rich Pm isotopes
S. Bhattacharyya, E. H. Wang, A. Navin +19
High spin band structures of neutron-rich Pm isotopes have been obtained from the measurement of prompt -rays of isotopically identified fragments produced in fissio…
Generic features of the neutron-proton interaction
Y. H. Kim, M. Rejmund, P. Van Isacker +1
We show that fully aligned neutron-proton pairs play a crucial role in the low-energy spectroscopy of nuclei. with valence nucleons in a high-j orbital. Their dominance is valid in…