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Hi, I am Sophia

Dr. Sophia Florence Dellmann

Postdoctoral Researcher at Los Alamos National Laboratory

I am a nuclear astrophysics researcher with deep expertise across experimental design, management of experiments, software development, data analysis, mass spectrometry and nuclear reactions.

Skills

Experience

1
Los Alamos National Laboratory

Aug 2024 - Present

Los Alamos, New Mexico, United States of America

Best known for its central role in helping develop the first atomic bomb, LANL is one of the world’s largest and most advanced scientific institutions.

Postdoctoral Researcher in the Particle and Nuclear Physics and Applications Group (P-3)

Aug 2024 - Present

Goethe University, Institute for Applied Physics

May 2021 - April 2024

Frankfurt am Main, Germany

Goethe University Frankfurt, established in 1914, is a prominent public research institution in Frankfurt am Main, Germany. Named after the renowned writer Johann Wolfgang von Goethe, the university is recognized for its contributions to various fields, including economics, law, and the humanities.

Postdoctoral Researcher at the Experimental Astrophysics Group

July 2024 - April 2024

Doctoral Researcher at the Experimental Astrophysics Group

May 2021 - February 2024

2

Education

Goethe University (Germany)
2021-2024
Dr. in Experimental Nuclear Astrophysics (magna cum laude)
Thesis:
First proton capture reactions on stored radioactive ions
Goethe University (Germany)
2019-2021
M.Sc. in Physics
Thesis:
Determination of Thallium-179(n,gamma) cross section
University of Cologne (Germany)
2016-2019
B.Sc. in Physics
Thesis:
Carbon embedding of metal clusters on Gr on Ir(111)
Central Bank of the Federal Republic of Germany (Germany)
2015-2016
Dual Study in Central Banking

Publications

Description and outlook of the 50,53Cr(n,γ) cross section measurement at n_TOF and HiSPANoS
EPJ Web of Conferences 2024
P. Pérez-Maroto et al.

n_TOF HiSPANoS Cr(n,γ)
Details
Experimental setup of the 239Pu neutron capture and fission cross‐section measurements at n_TOF, CERN
EPJ Web of Conferences 2024
Adrian Sanchez-Caballero et al.

n_TOF CERN
Details
The n_TOF facility at CERN
EPJ Web of Conferences 2024
G. Tagliente et al.

n_TOF CERN
Details
The n_TOF facility at CERN
EPJ Web of Conferences 2024
G. Tagliente et al.

n_TOF CERN
Details
Multi-section fission ionization chamber for measurement of the 239Pu(n,γ) reaction in fission tagging method
Nuclear Instruments and Methods in Physics Research Section A 2024-10
Perkowski et al.

fission tagging ionization chamber
Details
Pushing the high count rate limits of scintillation detectors for challenging neutron‐capture experiments
Nuclear Instruments and Methods in Physics Research Section A 2024-07
Javier Balibrea et al.

scintillation neutron capture
Details
Measurement of the Isolated Nuclear Two-Photon Decay in 72Ge
Physical Review Letters 2024-07-11
David Freire-Fernández et al.

two-photon decay Germanium PRL
Details
A Segmented Total Energy Detector (sTED) optimized for (n,γ) cross-section measurements at n_TOF EAR2
Radiation Physics and Chemistry 2024-04
Victor Alcayne et al.

sTED n_TOF γ cross-section
Details
The first in-beam reaction measurement at CRYRING@ESR using the CARME array
The European Physical Journal A 2024-04-29
Jordan J. Marsh et al.

CRYRING CARME in-beam reaction
Details
Compton imaging for enhanced sensitivity (n,γ) cross section TOF experiments: Status and prospects
EPJ Web of Conferences 2023
C. Domingo-Pardo et al.

Compton imaging TOF sensitivity
Details
Coulomb dissociation of 16O into 4He and 12C
EPJ Web of Conferences 2023
Lukas Thomas Bott et al.

Coulomb dissociation 16O α and 12C
Details
Direct reactions for nuclear astrophysics
EPJ Web of Conferences 2023
Philipp Erbacher Benjamin Brückner Sophia Florence Dellmann et al.

n_TOF astrophysics
Details
First measurement of the 94Nb(n,γ) cross section at the CERN n_TOF facility
EPJ Web of Conferences 2023
J. Balibrea-Correa et al.

94Nb n_TOF neutron capture
Details
Indirect measurements of neutron-induced reaction cross sections at heavy-ion storage rings
EPJ Web of Conferences 2023
M. Sguazzin et al.

indirect measurement neutron-induced
Details
Indirect measurements of neutron-induced reaction cross sections at storage rings
EPJ Web of Conferences 2023
M. Sguazzin et al.

indirect measurement storage rings
Details
Measurement of the 160Gd(n, γ) cross section at n_TOF and its medical implications
EPJ Web of Conferences 2023
M. Mastromarco et al.

160Gd n_TOF cross section
Details
Measurement of the Isolated Nuclear Two-Photon Decay in 72Ge
Journal article 2023
D. Freire-Fernández et al.

72Ge decay ARXIV
Details
Neutron activations for lower s-process temperatures
EPJ Web of Conferences 2023
Tanja Heftrich et al.

s-process neutron activation
Details
Neutron-induced cross section measurements
EPJ Web of Conferences 2023
C. Massimi et al.

neutron-induced n_TOF
Details
New detection systems for an enhanced sensitivity in key stellar (n,γ) measurements
EPJ Web of Conferences 2023
J. Lerendegui-Marco et al.

detection systems stellar measurements
Details
New perspectives for neutron capture measurements in the upgraded CERN-n_TOF Facility
EPJ Web of Conferences 2023
J. Lerendegui-Marco et al.

n_TOF neutron capture
Details
Overview of the dissemination of n_TOF experimental data and resonance parameters
EPJ Web of Conferences 2023
E. Dupont et al.

n_TOF resonance parameters
Details
Proton capture on stored radioactive 118Te ions
EPJ Web of Conferences 2023
S. F. Dellmann et al.

radioactive Te n_TOF
Details
Determining neutron-induced reaction cross sections through surrogate reactions at storage rings
Journal of Physics: Conference Series 2023-09-01
M. Sguazzin et al.

storage rings cross section
Details
The neutron time-of-flight facility n_TOF at CERN – Recent facility upgrades and detector developments
Journal of Physics: Conference Series 2023-09-01
C. Domingo-Pardo et al.

n_TOF upgrades
Details
Storage, accumulation and deceleration of secondary beams for nuclear astrophysics
Nuclear Instruments and Methods in Physics Research Section B 2023-08
Jan Glorius et al.

secondary beams deceleration
Details
Status report of the n_TOF facility after the 2nd CERN long shutdown period
EPJ Techniques and Instrumentation 2023-05-17
Nikolas Patronis et al.

n_TOF shutdown report
Details
Ta179(n,γ) cross-section measurement and the astrophysical origin of the Ta180 isotope
Physical Review C 2023-04-13
Ruchi Garg Sophia Florence Dellmann et al.

Ta179 Ta180 cross-section
Details
Gamma intensities for the β-decay of 97Zr
Nuclear Instruments and Methods in Physics Research Section A 2023-03
Mario Weigand Sophia Florence Dellmann et al.

97Zr γ intensities β-decay
Details
Advances and new ideas for neutron-capture astrophysics experiments at CERN n_TOF
The European Physical Journal A 2023-01-26
C. Domingo-Pardo et al.

n_TOF neutron capture
Details
Activation measurements of neutron capture cross sections at various temperatures
EPJ Web of Conferences 2022
Tanja Heftrich et al.

neutron capture temperature effects
Details
Reactor activations to constrain astrophysically relevant cross sections
EPJ Web of Conferences 2022
Sophia Dellmann et al.

cross sections astrophysics
Details
The CERN n TOF NEAR station for astrophysics- and application-related neutron activation measurements
Preprint 2022
N. Patronis et al.

n_TOF NEAR astrophysics
Details
Cluster Superlattice Membranes
ACS Nano 2020-10-27
Tobias Hartl et al.

cluster membranes ACS Nano
Details

Awards

Giersch Award for an Outstanding Doctoral Thesis
Stiftung Giersch 2024

Giersch Excellence Grant
Stiftung Giersch 2023

Abiturpreis der Deutschen Physikalischen Gesellschaft
Deutschen Physikalischen Gesellschaft 2014

Hochbegabtenstiftung scholarship
Hochbegabtenstiftung of the Kreissparkasse Koeln 2013