Explanipedia

Applications of ultra-high resolution microcalorimeter gamma-ray spectrometry Open

Katherine Schreiber, K. Koehler, Mark Croce, Emily N. Stark, D. G. McNeel , et al. · 2025

Ultra-high energy resolution microcalorimeter gamma-ray spectroscopy—with energy resolution 5 to 10 times better than observed in spectra obtained by commercial-off-the-shelf high purity germanium detectors—is an enabling technology for ul…

Hyperspectral x-ray imaging mapping capabilities for nuclear forensics Open

Matthew H. Carpenter, Emily N. Stark, D. G. McNeel, Stefania Dede, Christopher Godt , et al. · 2025

Nuclear forensics relies on the integration of complementary signatures to constrain the origins and history of materials. Outcomes benefit from the timeliness and precision of the disparate methods that form typical analysis chains. Sampl…

Ultra-high-resolution Microcalorimeter X-ray Spectrometer for Nuclear Forensics Chemical and Elemental Analysis in the Scanning Electron Microscope Open

Matthew H. Carpenter, Mark Croce, Katherine Schreiber, D. G. McNeel, Emily N. Stark , et al. · 2025

Elastic scattering of 8B+90Zr at sub-barrier energies Open

K. Palli, A. Pakou, A. M. Moro, P. D. O’Malley, L. Acosta , et al. · 2024

Elastic scattering measurements for the reaction 8B+90Zr at the sub-barrier energy of 26.5 MeV (~ 0.9 VC.B.) were carried out in a recent experiment, realized at the TriSol radioactive beam facility of the University of Notre Dame. This ex…

Background simulations for DANCE, FP-14 considering the Mark IV spallation target Open

R. Reifarth, A. Couture, Stefania Dede, I. Knapová, Esther Leal Cidoncha , et al. · 2024

With the installation of the Mark-IV target at LANSCE in 2022 significant changes of the beam-related backgrounds at DANCE are observed. DANCE is located at flight path 14 (FP-14) in the experimental area 2 (ER-2) at LANSCE. This new backg…

Measurement of the Differential Cross Section from 0.8 to 6.5 MeV Open

R. J. deBoer, M. Febbraro, D. W. Bardayan, C. Boomershine, K. Brandenburg , et al. · 2024

The cross section of the ^{13}C(α,n)^{16}O reaction is needed for nuclear astrophysics and applications to a precision of 10% or better, yet inconsistencies among 50 years of experimental studies currently lead to an uncertainty of ≈15%. U…

Breakup of 8B+natZr at the sub-barrier energy of 26.5 MeV Open

K. Palli, A. Pakou, A. M. Moro, P.D. O apos Malley, L. Acosta , et al. · 2024

In our systematic research on reactions with weakly bound nuclei at suband nearbarrier energies, we have studied the system 8 B+ nat Zr at the sub-barrier energy of 26.5 MeV. Our measurements, performed at the TriSol radioactive beam facil…

BlueSTEAl: A pair of silicon arrays and a zero-degree phoswich detector for studies of scattering and reactions in inverse kinematics Open

S. Ota, G. Christian, Brenda Reed, W. N. Catford, Stefania Dede , et al. · 2023

BlueSTEAl: A pair of silicon arrays and a zero-degree phoswich detector for studies of scattering and reactions in inverse kinematics Open

S. Ota, G. Christian, Ben J. Reed, W. N. Catford, Stefania Dede , et al. · 2023

BlueSTEAl, the Blue (aluminum chamber of) Silicon TElescope Arrays for light nuclei,has been developed to study direct reactions in inverse kinematics, as well as scattering and breakup reactions using radioactive ion beams. It is a detect…

Combustion synthesis of Eu2O3 nanomaterials with tunable phase composition and morphology Open

Jordan M. Roach, Khachatur V. Manukyan, Stefania Dede, Peter C. Burns, A. Aprahamian · 2023

Electrospraying deposition and characterization of potassium chloride targets for nuclear science measurements Open

Stefania Dede, Scott Essenmacher, P. Gastis, Khachatur V. Manukyan, S. A. Kuvin , et al. · 2023

Irradiation-enhanced Interactions at UO2/Al2O3/Al Interfaces Open

Stefania Dede, Khachatur V. Manukyan, Jordan M. Roach, D. Robertson, Peter C. Burns , et al. · 2023

Combustion synthesis is used to prepare thin UO₂ films on aluminum alloy substrates. This simple preparation method involves electrospraying uranyl nitrate + acetylacetone + 2-methoxyethanol solution on the substrate, followed b…

UO2 target preparation with spin coating assisted solution combustion synthesis Open

Ashabari Majumdar, Khachatur V. Manukyan, Stefania Dede, Jordan M. Roach, Peter C. Burns , et al. · 2023

A simple and efficient target preparation method is developed combining spin coating and solution combustion synthesis. Multiple smooth and uniform UO 2 targets have been prepared using this method on a variety of backings (aluminium, carb…

Neutron capture of UO2 targets prepared by spin-coating assisted combustion synthesis Open

Ashabari Majumdar, Khachatur V. Manukyan, Wanpeng Tan, Stefania Dede, Jordan M. Roach , et al. · 2022

Irradiation-induced amorphization of UO2 films prepared by spraying-assisted combustion synthesis Open

Stefania Dede, Khachatur V. Manukyan, Jordan M. Roach, Ashabari Majumdar, Peter C. Burns , et al. · 2022

Light Response of Poly(ethylene 2,6-napthalate) to Neutrons Open

B. Hackett, R. J. deBoer, Y. Efremenko, M. Febbraro, J. Nattress , et al. · 2022

There is increasing necessity for low background active materials as ton-scale, rare-event and cryogenic detectors are developed. Poly(ethylene-2,6-naphthalate) (PEN) has been considered for these applications because of its robust structu…

CCDC 2108923: Experimental Crystal Structure Determination Open

Jordan M. Roach, Khachatur V. Manukyan, Ashabari Majumdar, Stefania Dede, Allen G. Oliver , et al. · 2021

Hyperstoichiometric Uranium Dioxides: Rapid Synthesis and Irradiation-Induced Structural Changes Open

Jordan M. Roach, Khachatur V. Manukyan, Ashabari Majumdar, Stefania Dede, Allen G. Oliver , et al. · 2021

Uranium dioxide (UO₂), the primary fuel for commercial nuclear reactors, incorporates excess oxygen forming a series of hyperstoichiometric oxides. Thin layers of these oxides, such as UO_2.12, form readily on the fuel…

and reactions on and implications for -process nucleosynthesis Open

S. Ota, G. Christian, W. N. Catford, G. Lotay, M. Pignatari , et al. · 2021

We studied α cluster states in ²⁶Mg via the ²²Ne(⁶Li,dγ)²⁶Mg reaction in inverse kinematics at an energy of 7 MeV/nucleon. States between E_x = 4–14 MeV in ²⁶Mg were populate…

Irradiation-Driven Restructuring of UO2 Thin Films: Amorphization and Crystallization Open

Ashabari Majumdar, Khachatur V. Manukyan, Stefania Dede, Jordan M. Roach, D. Robertson , et al. · 2021

Combustion synthesis in uranyl nitrate–acetylacetone–2-methoxyethanol solutions was used to deposit thin UO₂ films on aluminum substrates to investigate the irradiation-induced restructuring processes. Thermal analysis revealed …

Study of ($^6$Li, $d$) and ($^6$Li, $t$) reactions on $^{22}$Ne and implications for $s$-process nucleosynthesis Open

S. Ota, G. Christian, W. N. Catford, G. Lotay, M. Pignatari , et al. · 2021

We studied $α$ cluster states in $^{26}$Mg via the $^{22}$Ne($^{6}$Li,$dγ$)$^{26}$Mg reaction in inverse kinematics at an energy of $7$ MeV/nucleon. States between $E_x$ = 4 - 12 MeV in $^{26}$Mg were populated and relative $α$ spectroscop…

Decay properties of 22Ne + α resonances and their impact on s-process nucleosynthesis Open

S. Ota, G. Christian, G. Lotay, W. N. Catford, Eames Bennett , et al. · 2020

The astrophysical s-process is one of the two main processes forming elements heavier \nthan iron. A key outstanding uncertainty surrounding s-process nucleosynthesis \nis the neutron flux generated by the 22Ne(�; n)25Mg reaction during th…

Benchmarking the natSi(p,p0) and natO(d,d0) elastic scattering and the 16O(d,p0,1,α0) reactions for IBA purposes Open

Stefania Dede, M. Kokkoris, A. Lagoyannis, V. Paneta, K. Preketes–Sigalas , et al. · 2019

The benchmarking experimental procedure in IBA (Ion Beam Analysis) is carefully designed in order to validate evaluated and experimental differential cross–section datasets of charged particles via the acquisition of EBS and NRA spectra fr…

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