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Annika Lennarz

0000-0002-8138-0126
nucl-exphysics.ins-detnucl-thastro-ph.SRastro-ph.HEhep-exquant-phphysics.atom-phastro-ph.GAhep-ph

On Valency

published · living versions
W_waqfzrqh·v1 · currentpublished
Catching Element Formation In The Act
with Chris L. Fryer, Frank Timmes, Aimee L. Hungerford, Aaron Couture +214
1 version

Preprints & journals

52 papers in the corpus · 2012–2026
Direct measurement of 18^{18}F(α,p\alpha,p)21^{21}Ne cross sections with ANASEN2609.06286v1 · K. S. Davis, J. C. Blackmon, C. M. Deibel et al.2026 · 0 citationsarXiv
Experimental updates on development of accelerator-driven ion source at TRIUMF to benchmark Ba-tagging techniques for future neutrinoless double beta decay searches2606.12468v1 · D. Ray, M. Marquis, A.V. Balbuena et al.2026 · 0 citationsarXiv
Shake-up and shake-off spectra in the electron capture decay of atomic 7^7Be2601.16756v1 · Mauro Guerra, Inwook Kim, Stephan Friedrich et al.2026 · 0 citationsarXiv
Direct measurement of 59^{59}Cu(pp,α\alpha)56^{56}Ni precludes a strong NiCu cycle in Type-I X-ray bursts2512.12025v1 · N. Bhathi, J. S. Randhawa, R. Kanungo et al.2025 · 0 citationsarXiv
Aluminum-Based Superconducting Tunnel Junction Sensors for Nuclear Recoil Spectroscopy2510.07792v2 · Spencer L. Fretwell, Connor Bray, Inwook Kim et al.2025 · 1 citationarXiv
Sensitivity of nEXO to 136^{136}Xe Charged-Current Interactions: Background-free Searches for Solar Neutrinos and Fermionic Dark Matter2506.22586v1 · G. Richardson, B. G. Lenardo, D. Gallacher et al.2025 · 0 citationsarXiv
Ultra-sensitive radon assay using an electrostatic chamber in a recirculating system2504.15464v3 · A. Anker, P. A. Breur, B. Mong et al.2025 · 4 citationsNIMA Volume 1081, January 2026, 170876
First Measurement of a Weak r-Process Reaction on a Radioactive Nucleus.40192385 · Williams, M, Angus, C, Laird, A M et al.2025 · 8 citationsPhysical review letters. 2025;134(11):112701
Direct experimental constraints on the spatial extent of a neutrino wavepacket.39939769 · Smolsky, Joseph, Leach, Kyle G, Abells, Ryan et al.2025 · 10 citationsNature. 2025;638(8051):640-644
First In-Beam Demonstration of a hybrid LaBr3/CeBr3/BGO array to measure radiative capture resonance energies in an extended gas target using a novel time of flight technique2501.03861v1 · G. Christian, D. Hutcheon, I. Casandjian et al.2025 · 2 citationsarXiv
High-Precision Excited-State Nuclear Recoil Spectroscopy with Superconducting Sensors2411.08076v2 · C. Bray, S. Fretwell, L. A. Zepeda-Ruiz et al.2024 · 0 citationsarXiv
Ion manipulation from liquid Xe to vacuum: Ba-tagging for a nEXO upgrade and future 0νββ0 \nu \beta \beta experiments2410.18138v2 · Dwaipayan Ray, Robert Collister, Hussain Rasiwala et al.2024 · 3 citationsAtoms 2024, 12(12), 71
Signal processing and spectral modeling for the BeEST experiment2409.19085v3 · Inwook Kim, Connor Bray, Andrew Marino et al.2024 · 7 citationsPhys. Rev. D 111, 052010 - Published 19 March, 2025
The Data Acquisition System for Phase-III of the BeEST Experiment2311.12278v1 · C. Bray, S. Fretwell, I. Kim et al.2023 · 2 citationsarXiv
Cross Sections of the 83^{83}Rb(p,γ)84\gamma)^{84}Sr and 84^{84}Kr(p,γ)85\gamma)^{85}Rb Reactions at Energies Characteristic of the Astrophysical γ\gamma Process2303.10282v1 · M. Williams, B. Davids, G. Lotay et al.2023 · 9 citationsPhysical Review C 107, 035803 (2023)
'Searching for a needle in a haystack;' A Ba-tagging approach for an upgraded nEXO experiment2303.04698v1 · H. Rasiwala, K. Murray, Y. Lan et al.2023 · 3 citationsarXiv
Measuring neutron capture cross sections of radioactive nuclei: From activations at the FZK Van de Graaff to direct neutron captures in inverse kinematics with a storage ring at TRIUMF.37187510 · Dillmann, Iris, Kester, Oliver, Baartman, Richard et al.2023 · 9 citationsThe European physical journal. A, Hadrons and nuclei. 2023;59(5):105
Understanding globular cluster abundances through nuclear reactions2212.03648v1 · P Adsley, M Williams, D S Harrouz et al.2022 · 0 citationsarXiv
Elastic scattering of 3He+4He with SONIK2211.14641v1 · S. N. Paneru, C. R. Brune, D. Connolly et al.2022 · 4 citationsarXiv
Direct Measurement of Resonances in ^7Be(α,γ)^11C Relevant to νp-Process Nucleosynthesis.36306775 · Psaltis, A, Chen, A A, Longland, R et al.2022 · 8 citationsPhysical review letters. 2022;129(16):162701
Direct measurement of resonances in 7^7Be(α,γ\alpha,\gamma)11^{11}C relevant to νp\nu p-process nucleosynthesis2209.06465v1 · A. Psaltis, A.A. Chen, R. Longland et al.2022 · 0 citationsarXiv
First inverse kinematics measurement of resonances in 7^7Be(α,γ\alpha,\gamma)11^{11}C relevant to neutrino-driven wind nucleosynthesis using DRAGON2209.06472v1 · A. Psaltis, A.A. Chen, R. Longland et al.2022 · 0 citationsarXiv
Constraints on key 17^{17}O(α,γ\alpha,\gamma)21^{21}Ne resonances and impact on the weak s-process2206.06016v1 · M. Williams, A.M. Laird, A. Choplin et al.2022 · 6 citationsarXiv
New measurement of the Ec.m.=323E_{\mathrm{c.m.}}=323 keV resonance in the 19^{19}F((p,\gamma))^20$Ne reaction2206.06044v1 · M. Williams, P. Adsley, B. Davids et al.2022 · 12 citationsPhys. Rev. C 103, 055805 (2021)
Horizons: Nuclear Astrophysics in the 2020s and Beyond2205.07996v1 · H. Schatz, A. D. Becerril Reyes, A. Best et al.2022 · 51 citationsarXiv
Proton inelastic scattering reveals deformation in 8^8He2110.01592v1 · M. Holl, R. Kanungo, Z. H. Sun et al.2021 · 23 citationsPhys. Lett. B 822, 136710 (2021)
The Status and Future of Direct Nuclear Reaction Measurements for Stellar Burning2109.14418v1 · M. Aliotta, R. Buompane, M. Couder et al.2021 · 25 citationsarXiv
First Direct Measurement of an Astrophysical p-Process Reaction Cross Section Using a Radioactive Ion Beam.34558922 · Lotay, G, Gillespie, S A, Williams, M et al.2021 · 19 citationsPhysical review letters. 2021;127(11):112701
First direct measurement of 59^{59}Cu(p,α\alpha)56^{56}Ni: A step towards constraining the Ni-Cu cycle in the Cosmos2107.05606v1 · J.S. Randhawa, R. Kanungo, J. Refsgaard et al.2021 · 14 citationsarXiv
The novel Mechanical Ventilator Milano for the COVID-19 pandemic.33897243 · Abba, A, Accorsi, C, Agnes, P et al.2023 · 70 citationsPhysics of fluids (Woodbury, N.Y. : 1994). 2021;33(3):037122
Limits on the Existence of sub-MeV Sterile Neutrinos from the Decay of ^7Be in Superconducting Quantum Sensors.33512206 · Friedrich, S, Kim, G B, Bray, C et al.2021 · 57 citationsPhysical review letters. 2021;126(2):021803
Beyond the acceptance limit of DRAGON: the case of the 6Li(α,γ)10B\mathrm{^6Li(\alpha,\gamma)^{10}B} reaction2011.01225v1 · A. Psaltis, A.A. Chen, D.S. Connolly et al.2020 · 4 citationsarXiv
Direct Measurement of the ^7Be L/K Capture Ratio in Ta-Based Superconducting Tunnel Junctions.32745397 · Fretwell, S, Leach, K G, Bray, C et al.2020 · 35 citationsPhysical review letters. 2020;125(3):032701
First inverse kinematics study of the 22^{22}Ne(p,γ)23(p,\gamma)^{23}Na reaction and its role in AGB star and classical nova nucleosynthesis1910.01698v1 · M. Williams, A. Lennarz, A. M. Laird et al.2019 · 22 citationsPhys. Rev. C 102, 035801 (2020)
First inverse kinematics measurement of key resonances in the 22Ne(p,γ)23Na{}^{22}\text{Ne}(p,\gamma)^{23}\text{Na} reaction at stellar temperatures1910.00791v2 · A. Lennarz, M. Williams, A. M. Laird et al.2019 · 10 citationsarXiv
Catching Element Formation In The Act1902.02915v1 · Chris L. Fryer, Frank Timmes, Aimee L. Hungerford et al.2019 · 17 citationsarXivon Valency
Direct Measurement of the Key E_c.m.=456  keV Resonance in the Astrophysical ^19Ne(p,γ)^20Na Reaction and Its Relevance for Explosive Binary Systems.29286739 · Wilkinson, R, Lotay, G, Lennarz, A et al.2018 · 3 citationsPhysical review letters. 2017;119(24):242701
High-precision QECQ_{EC}-value measurement of the superallowed β+\beta^+ emitter 22^{22}Mg and an evaluation of the A=22A=22 isobaric triplet1708.00536v3 · M.P. Reiter, K.G. Leach, O. M. Drozdowski et al.2017 · 9 citationsPhys. Rev. C 96, 052501 (2017)
Precision mass measurements of magnesium isotopes and implications on the validity of the Isobaric Mass Multiplet Equation1707.07714v1 · M. Brodeur, A.A. Kwiatkowski, O.M. Drozdowski et al.2017 · 15 citationsPhys. Rev. C 96, 034316 (2017)
Electroweak Decay Studies of Highly Charged Radioactive Ions with TITAN at TRIUMF1611.06151v1 · K.G. Leach, I. Dillmann, R. Klawitter et al.2016 · 11 citationsarXiv
Mass measurements of neutron-rich Rb and Sr isotopes1512.07105v1 · R. Klawitter, A. Bader, M. Brodeur et al.2015 · 22 citationsPhys. Rev. C 93, 045807 (2016)
Improvements to TITAN's Mass Measurement and Decay Spectroscopy Capabilities1508.06693v4 · D. Lascar, A.A. Kwiatkowski, M. Alanssari et al.2015 · 8 citationsNIMB v.376 292 (2016)
Low-Background In-Trap Decay Spectroscopy with TITAN at TRIUMF1411.4083v2 · K.G. Leach, A. Lennarz, A. Grossheim et al.2014 · 4 citationsJPS Conf. Proc. 6, 020040 (2015)
Sensitivity Increases for the TITAN Decay Spectroscopy Program1411.0026v1 · K.G. Leach, A. Lennarz, A. Grossheim et al.2014 · 2 citationsEPJ Web of Conferences 93, 07006 (2015)
In-trap spectroscopy of charge-bred radioactive ions.25192092 · Lennarz, A, Grossheim, A, Leach, K G et al.2015 · 32 citationsPhysical review letters. 2014;113(8):082502
Breakdown of the isobaric multiplet mass equation for the A = 20 and 21 multiplets.25192091 · Gallant, A T, Brodeur, M, Andreoiu, C et al.2015 · 38 citationsPhysical review letters. 2014;113(8):082501
The TITAN in-trap decay spectroscopy facility at TRIUMF1405.7209v3 · K.G. Leach, A. Grossheim, A. Lennarz et al.2014 · 25 citationsNuclear Inst. and Methods in Physics Research, A (2015), pp. 91-99
Trapped-ion decay spectroscopy towards the determination of ground-state components of double-beta decay matrix elements1310.4248v1 · T. Brunner, A. Lapierre, C. Andreoiu et al.2013 · 23 citationsarXiv
Extinction of the N=20 neutron-shell closure for 32Mg examined by direct mass measurements1310.2344v1 · A. Chaudhuri, C. Andreoiu, T. Brunner et al.2013 · 32 citationsPhys. Rev. C 88, 054317 (2013)
New determination of double-beta-decay properties in 48Ca: high-precision Q-value measurement and improved nuclear matrix element calculations1308.3815v1 · A. A. Kwiatkowski, T. Brunner, J. D. Holt et al.2013 · 42 citationsPhys.Rev.C89:045502,2014
Career total: at least 123 works. 52 are in this corpus.Showing the 50 most recent.

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