D. Rudolph YOU? Author Swipe

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Identification of Prompt Proton Emission in : Isospin Symmetry at the Limit of Nuclear Binding Open

Y. Hrabar, D. Rudolph, L. G. Sarmiento, J. Wu, H. M. Albers , et al. · 2025

Excited states in the proton drip line nucleus Ga 61 were populated via the fusion-evaporation reaction Mg 24 ( Ca 40 , p 2 n ) Ga …

Online Junction Temperature Measurement of IGBT Power Modules with Chip-Integrated Sensor Open

Matthias Meißner, D. Rudolph, Sebastian Rode · 2025

Improving reliability and resource efficiency in power electronics increasingly relies on accurate assessment of ageing and precise estimation of the remaining service life. Accurate temperature measurement of power semiconductors during c…

Decay spectroscopy of an isomeric state in Open

C. Morse, R. M. Clark, D. Seweryniak, C. Appleton, C. M. Campbell , et al. · 2025

Excited states in Md251 have been populated by decay of an isomeric state at Ex≈1174 keV and studied via delayed γ-ray spectroscopy. We observe the population of two rotational bands, one of which we identify as the Nilsson π72[514] ground…

Research on superheavy elements: Experimental prospects Open

D. Rudolph · 2025

What are the heaviest elements that can exist in Nature or be created on Earth? Does an ‘Island of Stability’ exist beyond uranium? Questions like these are often asked in connection with Long Range Plans of nuclear physics communities or …

Source characterization of a detector for heavy and superheavy nuclei Open

P. Golubev, R. Orford, F. H. Garcia, D. Rudolph, L. G. Sarmiento , et al. · 2025

A new focal plane detector system for the Berkeley Gas-filled Separator (BGS) was designed, constructed, and tested offline with various -decay and conversion-electron sources. The SuperHeavy RECoils (SHREC) detector comprises sets of doub…

Bounding the computational power of bosonic systems Open

Varun Upreti, D. Rudolph, Ulysse Chabaud · 2025

Bosonic quantum systems operate in an infinite-dimensional Hilbert space, unlike discrete-variable quantum systems. This distinct mathematical structure leads to fundamental differences in quantum information processing, such as an exponen…

Isospin symmetry investigation of the proton-unbound nucleus T = 3/2 55Cu Open

S. Pigliapoco, M. L. Cortés, F. Recchia, S. M. Lenzi, M.A. Bentley , et al. · 2025

Multi-Coincidence Set-Up for Nuclear Forensics with Si-Strip and Compton-Suppressed Hpge Detectors Open

Y. Hrabar, P. Golubev, Solveig Englund, D. Rudolph, L. G. Sarmiento , et al. · 2025

Toward the Discovery of New Elements: Production of Livermorium () with Open

J. M. Gates, R. Orford, D. Rudolph, C. Appleton, B. M. Barrios , et al. · 2024

The ^{244}Pu(^{50}Ti,xn)^{294-x}Lv reaction was investigated at Lawrence Berkeley National Laboratory's 88-Inch Cyclotron. The experiment was aimed at the production of a superheavy element with Z≥114 by irradiating an actinide target with…

Manifestation of relativistic effects in the chemical properties of nihonium and moscovium revealed by gas chromatography studies Open

Α. B. Yakushev, J. Khuyagbaatar, Ch. E. Düllmann, M. Block, R. A. Cantemir , et al. · 2024

Chemical reactivity of the superheavy elements nihonium (Nh, element 113) and moscovium (Mc, element 115) has been studied by the gas-solid chromatography method using a new combined chromatography and detection setup. The Mc isotope, 288 …

Formation of transfermium elements in reactions with Open

M. Albertsson, B. G. Carlsson, T. Døssing, J. Randrup, D. Rudolph , et al. · 2024

Within the Langevin framework, we investigate the dynamics of the fusion process for production of transfermium elements in reactions of Ca48, Ti50, Cr54, and Fe

Towards the Discovery of New Elements: Production of Livermorium (Z=116) with 50Ti Open

J. M. Gates, R. Orford, D. Rudolph, C. Appleton, B. M. Barrios , et al. · 2024

The $^{244}$Pu($^{50}$Ti,$xn$)$^{294-x}$Lv reaction was investigated at Lawrence Berkeley National Laboratory's 88-Inch Cyclotron facility. The experiment was aimed at the production of a superheavy element with $Z\ge 114$ by irradiating a…

Formation of <sup>258</sup>Rf in drift plus diffusion dynamics Open

M. Albertsson, B. G. Carlsson, T. Døssing, J. Randrup, D. Rudolph , et al. · 2024

We present calculations on the formation of 258 Rf in the reaction 50 Ti+ 208 Pb within the Langevin framework. The initital stage after contact of the colliding nuclei is dominated by a drift in the center-of-mass direction, while the sub…

Elucidating the nature of the proton radioactivity and branching ratio on the first proton emitter discovered 53mCo Open

L. G. Sarmiento, T. Roger, J. Giovinazzo, B. A. Brown, Β. Blank , et al. · 2023

Anti-Compton shield for Compex germanium detector modules Open

Y. Hrabar, L. G. Sarmiento, P. Golubev, Oleksandr Bobovnikov, D. M. Cox , et al. · 2023

A bismuth-germanate (BGO) anti-Compton shield (ACS) for Compex germanium detector modules was designed, built, and characterised. BGO performance was evaluated for light output and energy resolution. The response of the ACS shield and its …

decay of the neutron-deficient isotope Open

A. N. Andreyev, D. Seweryniak, B. Andel, S. Antalic, D. T. Doherty , et al. · 2023

The α decay of the neutron-deficient At190 isotope was observed following the Rh103(Zr90,3n)At190 reaction at Argonne National Laboratory. The reaction products were separated from the beam using the Argonne Gas-Filled Analyzer and implant…

Search for Weak Side Branches in the Electromagnetic Decay Paths of the 6526-keV 10+ Isomer in 54Fe Open

Paul Böhm, Y. Hrabar, D. Rudolph, P. Golubev, L. G. Sarmiento , et al. · 2023

High-spin nuclear isomers in N≈Z nuclei between doubly magic 40Ca and 56Ni provide an excellent testing ground for the nuclear shell model and questions related to isospin symmetry breaking in the vicinity of the proton drip line. The purp…

Role of quasiparticle structure in decay of superheavy nuclei Open

R. M. Clark, D. Rudolph · 2023

Here, we use the superfluid tunneling model (STM) to calculate the half-lives of α decays of odd-A and odd-odd superheavy nuclei (SHN) with Z ≥ 100 and A ≥ 250. The experimental data are reproduced to accuracies comparable to other contemp…

Decay out of the doubly magic superdeformed band in the N = Z nucleus 60Zn Open

C.E. Svensson, D. Rudolph, C. Baktash, M.A. Bentley, J.A. Cameron , et al. · 2023

The doubly magic superdeformed band in the N = Z nucleus 60Zn has been identified. Linking transitions connecting this band to the yrast line provide the first spin, parity, and excitation energy measurements for superdeformed states in th…

Band structure of 68Ge Open

Donald F.B. Ward, C.E. Svensson, I. Ragnarsson, C. Baktash, M.A. Bentley , et al. · 2023

The nucleus 68Ge has been studied by gamma-ray spectroscopy following its population at high spin in the reaction 40Ca(32S,4p) 68Ge. The reaction channel was selected with the Microball array and gamma rays were detected with the Gammasphe…

100Sn core excitations in 102In Open

M. Lipoglavšek, M. Lipoglavšek, C. Baktash, M.P. Carpenter, D. J. Dean , et al. · 2023

Nuclei in the vicinity of the doubly-magic 100Sn nucleus have been studied, and an extended level scheme for 102In has been established. The level structure comprises both the negative parity states involving the vh11/2 orbital, and levels…

High-angular-momentum structures in 64Zn Open

D. Karlgren, R.M. Clark, I. Ragnarsson, C.E. Svensson, D. Ward , et al. · 2023

High-angular-momentum states in 64Zn were populated in the 40Ca( 28Si,4p) reaction at a beam energy of 122 MeV. Evaporated, light, charged particles were identified by the Microball, while γ rays were detected using the Gammasphere array. …

Doorway States in the Gamma Decay-Out of the Yrast Superdeformed Band in 59Cu Open

C. Andreoiu, T. Døssing, C. Fahlander, I. Ragnarsson, D. Rudolph , et al. · 2023

The decay-out process of the yrast superdeformed band in 59Cu was studied. The spin, parity, excitation energy and the configuration of states were determined. A theoretical model was introdued that included a residual interaction and tunn…

Breakup of the doubly magic 100Sn core Open

M. Lipoglavšek, C. Baktash, J. Blomqvist, M.P. Carpenter, D. J. Dean , et al. · 2023

Level schemes of 4899Cd51 and 49101In52 nuclei have been extended to high spin The breakup of the doubly magic 100Sn core has been observed. Large-scale shell model calculations based on realistic nucleon-nucleon interactions are in good a…

Excited states of the proton emitter 105Sb Open

M. Lipoglavšek, M. Lipoglavšek, C. Baktash, M. P. Carpenter, D. J. Dean , et al. · 2023

Excited states in the proton emitter 105Sb have been investigated for the first time. The nucleus was populated in the reaction 50Cr(58Ni, lp2n). The GAMMASPHERE Ge-detector array was used together with Microball and the Neutron Shell for …

Transition quadrupole moments in the superdeformed band of 40Ca Open

C.J. Chiara, E. Ideguchi, M. Devlin, D.R. LaFosse, F. Lerma , et al. · 2023

The transition quadrupole moments Qt for the superdeformed band in 40Ca have been determined through thin-target Doppler-shift attenuation analyses. A best-fit value of Qt = 1.30 ± 0.05 e b is obtained when a single value is assumed for th…

Level structure of Rh92: Implications for the two-proton decay of Ag94m Open

O.L. Pechenaya, C.J. Chiara, D.G. Sarantites, W. Reviol, R. J. Charity , et al. · 2023

The 21+ isomer in Ag94 has recently been reported to have a two-proton decay branch to Rh92. We have populated Rh92 through the Ca40(Ni58,αpn) reaction at 240 MeV, and have performed detailed spectroscopic measurements of the levels, findi…

Probing sd-fp cross-shell interactions via terminating configurations in Sc42,43 Open

C.J. Chiara, M. Devlin, E. Ideguchi, D.R. Lafosse, F. Lerma , et al. · 2023

An experimental study of the lower fp-shell nuclei Sc42,43 was performed via αpn and αp evaporation, respectively, from Ne20 + Si28 and Mg24 + Mg24 fusion-evaporation reactions. The experiments were conducted with the Gammasphere and Micro…

Spectroscopy along flerovium decay chains. II. Fine structure in odd- Open

D. M. Cox, A. Såmark-Roth, D. Rudolph, L. G. Sarmiento, R. M. Clark , et al. · 2023

Fifteen correlated α-decay chains starting from the odd-A superheavy nucleus ²⁸⁹Fl were observed following the fusion-evaporation reaction ⁴⁸Ca + ²⁴⁴Pu. The results call for at least two parallel α-decay se…

Spectroscopy along flerovium decay chains. III. Details on experiment, analysis, , and spontaneous fission branches Open

A. Såmark-Roth, D. M. Cox, D. Rudolph, L. G. Sarmiento, M. Albertsson , et al. · 2023

Flerovium isotopes (element Z = 114) were produced in the fusion-evaporation reactions ⁴⁸Ca + ^242,244Pu and studied with an upgraded TASISpec decay station placed in the focal plane of the gas-filled separator TASCA a…