Brenden Longfellow

0000-0001-8743-962X

nucl-exnucl-thastro-ph.SRastro-ph.HEphysics.ins-detastro-ph.IMCell NucleusHearthep-phphysics.data-an

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published · living versions

W_fgdwnvcv·v1 · currentpublished

Beta decay of potassium-54 reveals the role of two-body currents in neutron-rich nuclei

with Zhengyu Xu, Robert Grzywacz, Matthias Heinz, Thomas Papenbrock +82

1 version

Preprints & journals

53 papers in the corpus · 2018–2026

Future directions in nuclear

\beta

decay at FRIB and beyond2607.22983v1 · Garrett B. King, Ayala Glick-Magid, Grigor Sargsyan et al.2026 · 0 citationsarXiv

Precision Tests of Isospin Symmetry through Coulomb excitation of A = 62 Nuclei2603.24022v1 · K. Wimmer, T. Huyuk, S. M. Lenzi et al.2026 · 1 citationarXiv

Beta-Decay Half-Lives beyond ^54Ca: A Systematic Survey of Decay Properties Approaching the Neutron Dripline.41861329 · Ong, W-J, Xu, Z Y, Grzywacz, R et al.2026 · 5 citationsPhysical review letters. 2026;136(9):092502

Beta-decay Half Lives beyond

^{54}

Ca: A Systematic Survey of Decay Properties approaching the Neutron Dripline2510.19757v1 · W.-J. Ong, Z. Y. Xu, R. Grzywacz et al.2025 · 0 citationsarXiv

Extraction of neutron-capture cross sections on

^{92}

Zr using the charge-exchange Oslo method2509.09776v2 · N.D. Pathirana, R.G.T. Zegers, B. Gao et al.2025 · 1 citationarXiv

Universal Effective Charges in the sd and fp Shells.40929225 · Ogunbeku, T H, Allmond, J M, Gray, T J et al.2025 · 7 citationsPhysical review letters. 2025;135(7):072501

Determination of proton and neutron contributions to the

0_{g.s.}^+ \rightarrow 2_1^+

excitations in

^{42}

Si and

^{44}

S using inelastic proton scattering in inverse kinematics and intermediate energy Coulomb excitation2508.00703v1 · L.A. Riley, I. Conroy, A. M. Himmelreich et al.2025 · 4 citationsPhys. Rev. C 112, 014331 (2025)

Exploring

\beta

decay and

\beta

-delayed neutron emission in exotic

^{46,47}

Cl isotopes2502.19378v2 · Vandana Tripathi, B. Longfellow, A. Volya et al.2025 · 0 citationsarXiv

Object Detection with Deep Learning for Rare Event Search in the GADGET II TPC2501.17892v1 · Tyler Wheeler, S. Ravishankar, C. Wrede et al.2025 · 2 citationsarXiv

In-beam

\gamma

-ray spectroscopy towards the proton dripline: The curious case of

^{32}

Ar2412.05404v1 · T. Beck, A. Gade, B. A. Brown et al.2024 · 0 citationsarXiv

In-beam

\gamma

-ray spectroscopy of negative-parity states of

^{37}

K populated in dissipative reactions2411.15563v1 · T. Beck, A. Gade, B. A. Brown et al.2024 · 3 citationsPhys. Rev. C 110, 014305 (2024)

Proton Shell Gaps in N=28 Nuclei from the First Complete Spectroscopy Study with FRIB Decay Station Initiator.38682970 · Cox, I, Xu, Z Y, Grzywacz, R et al.2024 · 13 citationsPhysical review letters. 2024;132(15):152503

Improved Tensor Current Limit from ^8B β Decay Including New Recoil-Order Calculations.38640383 · Longfellow, B, Gallant, A T, Sargsyan, G H et al.2024 · 9 citationsPhysical review letters. 2024;132(14):142502

Probing proton cross-shell excitations through the two-neutron removal from 38Ca2401.07747v1 · T. Beck, A. Gade, B. A. Brown et al.2024 · 8 citationsPhys. Rev. C 108, L061301 (2023)

Low spin spectroscopy of neutron-rich 43,44,45Cl via {\beta} and (\beta}n decay2311.11434v1 · V. Tripathi, S. Bhattacharya, E. Rubino et al.2023 · 0 citationsarXiv

The Beta-decay Paul Trap Mk IV: Design and commissioning2311.00723v1 · L. Varriano (1, G. Savard (1, J. A. Clark (2 et al.2023 · 1 citationNuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 1058, 168818 (2024)

Isospin symmetry in the

T = 1, A = 62

triplet2310.07357v1 · K. Wimmer, P. Ruotsalainen, S.M. Lenzi et al.2023 · 14 citationsarXiv

Microsecond Isomer at the N=20 Island of Shape Inversion Observed at FRIB.37390416 · Gray, T J, Allmond, J M, Xu, Z et al.2023 · 26 citationsPhysical review letters. 2023;130(24):242501

Experimental Study of the

^{\textbf{38}}

S Excited Level Scheme2305.16969v1 · C. R. Hoffman, R. S. Lubna, E. Rubino et al.2023 · 2 citationsarXiv

\beta^-

decay of neutron-rich

^{45}

Cl at magic number N=282305.14466v1 · Soumik Bhattacharya, Vandana Tripathi, S. L. Tabor et al.2023 · 0 citationsarXiv

Angular Correlations in the β Decay of ^8B: First Tensor-Current Limits from a Mirror-Nucleus Pair.37243659 · Gallant, A T, Scielzo, N D, Savard, G et al.2023 · 9 citationsPhysical review letters. 2023;130(19):192502

Fundamental Symmetries, Neutrons, and Neutrinos (FSNN): Whitepaper for the 2023 NSAC Long Range Plan2304.03451v1 · B. Acharya, C. Adams, A.A. Aleksandrova et al.2023 · 7 citationsarXiv

Nuclear

\beta

decay as a probe for physics beyond the Standard Model2301.03975v1 · M. Brodeur, N. Buzinsky, M. A. Caprio et al.2023 · 3 citationsarXiv

Dissipative Reactions with Intermediate-Energy Beams: A Novel Approach to Populate Complex-Structure States in Rare Isotopes.36563248 · Gade, A, Brown, B A, Weisshaar, D et al.2022 · 12 citationsPhysical review letters. 2022;129(24):242501

Crossing N=28 Toward the Neutron Drip Line: First Measurement of Half-Lives at FRIB.36461950 · Crawford, H L, Tripathi, V, Allmond, J M et al.2022 · 34 citationsPhysical review letters. 2022;129(21):212501

Exploiting dissipative reactions to perform in-beam

\gamma

-ray spectroscopy of the neutron-deficient isotopes \nuc{38,39}{Ca}2210.01106v1 · A. Gade, D. Weisshaar, B. A. Brown et al.2022 · 8 citationsPhys. Rev. C 106, 064303 (2022)

The Core of

^{25}

F studied by the

^{25}

F(-1p)

^{24}

O reaction2209.02162v2 · H. L. Crawford, M. D. Jones, A. O. Macchiavelli et al.2022 · 0 citationsarXiv

Improved Limit on Tensor Currents in the Weak Interaction from ^8Li β Decay.35657880 · Burkey, M T, Savard, G, Gallant, A T et al.2022 · 32 citationsPhysical review letters. 2022;128(20):202502

Impact of Clustering on the ^8Li β Decay and Recoil Form Factors.35657888 · Sargsyan, G H, Launey, K D, Burkey, M T et al.2022 · 32 citationsPhysical review letters. 2022;128(20):202503

Horizons: Nuclear Astrophysics in the 2020s and Beyond2205.07996v1 · H. Schatz, A. D. Becerril Reyes, A. Best et al.2022 · 51 citationsarXiv

^{57}

\beta

-delayed proton emission establishes the

^{56}

rp

-process waiting point bypass2204.01621v1 · M. Saxena, W.-J Ong, Z. Meisel et al.2022 · 5 citationsarXiv

New ^59Fe Stellar Decay Rate with Implications for the ^60Fe Radioactivity in Massive Stars.33929230 · Gao, B, Giraud, S, Li, K A et al.2021 · 17 citationsPhysical review letters. 2021;126(15):152701

Exploiting Isospin Symmetry to Study the Role of Isomers in Stellar Environments.33576674 · Hallam, S, Lotay, G, Gade, A et al.2021 · 9 citationsPhysical review letters. 2021;126(4):042701

Shape Changes in the N=28 Island of Inversion: Collective Structures Built on Configuration-Coexisting States in ^43S.33337204 · Longfellow, B, Weisshaar, D, Gade, A et al.2020 · 26 citationsPhysical review letters. 2020;125(23):232501

Shell structure of

^{43}

S and collapse of the

N=28

shell closure2009.00765v1 · S. Momiyama, K. Wimmer, D. Bazin et al.2020 · 13 citationsPhys. Rev. C 102, 034325 (2020)

In-beam

\gamma

-ray spectroscopy at the proton dripline:

^{40}

Sc2007.11683v1 · A. Gade, D. Weisshaar, B. A. Brown et al.2020 · 8 citationsPhys. Lett. B 808, 135637 (2020)

Establishing the Maximum Collectivity in Highly Deformed N=Z Nuclei.32357059 · Llewellyn, R D O, Bentley, M A, Wadsworth, R et al.2020 · 40 citationsPhysical review letters. 2020;124(15):152501

Experimental identification of the

T = 1

J^{\pi} = 6^+

state of

^{54}

Co and isospin symmetry in

A = 54

studied via one-nucleon knockout reactions2003.10363v1 · M. Spieker, D. Weisshaar, A. Gade et al.2020 · 2 citationsPhys. Rev. C 100, 061303(R) (2019)

Two-neutron knockout as a probe of the composition of states in

^{22}

Mg,

^{23}

Al, and

^{24}

Si2002.11839v1 · B. Longfellow, A. Gade, J. A. Tostevin et al.2020 · 18 citationsPhys. Rev. C 101, 031303(R) (2020)

Electromagnetic properties of

^{21}

O for benchmarking nuclear Hamiltonians1912.02884v1 · S. Heil, M. Petri, K. Vobig et al.2019 · 12 citationsarXiv

Inverse-kinematics proton scattering from

^{42,44}

^{41,43}

P and the collapse of the

N=28

major shell closure1910.07986v2 · L. A. Riley, D. Bazin, J. Belarge et al.2019 · 16 citationsPhys. Rev. C 100, 044312 (2019)

Probing the role of proton cross-shell excitations in 70Ni using nucleon knockout reactions1909.06903v1 · B. Elman, A. Gade, R. V. F. Janssens et al.2019 · 5 citationsPhys. Rev. C 100, 034317 (2019)

One-proton and one-neutron knockout reactions from

N = Z = 28

^{56}

Ni to the

A = 55

mirror pair

^{55}

Co and

^{55}

Ni1908.05985v1 · M. Spieker, A. Gade, D. Weisshaar et al.2019 · 13 citationsPhys. Rev. C 99, 051304(R)(2019)

Constraints for stellar electron-capture rates on

^{86}

Kr via the

^{86}

Kr(

t

^{3}

+\gamma

)

^{86}

Br reaction and the implications for core-collapse supernovae1908.03985v1 · R. Titus, E.M. Ney, R.G.T. Zegers et al.2019 · 20 citationsPhys. Rev. C 100, 045805 (2019)

Single-particle shell strengths near the doubly magic nucleus

^{56}

Ni and the

^{56}

Ni(p,

\gamma

)

^{57}

Cu reaction rate in explosive astrophysical burning1907.11665v1 · D. Kahl, P. J. Woods, T. Poxon-Pearson et al.2019 · 19 citationsPhysics Letters B 797 (2019) 134803

Constraining the Neutron Star Compactness: Extraction of the ^23Al(p,γ) Reaction Rate for the rp Process.31298878 · Wolf, C, Langer, C, Montes, F et al.2019 · 20 citationsPhysical review letters. 2019;122(23):232701

Experimental Constraint on Stellar Electron-Capture Rates from the

{}^{88}\text{Sr}(t,{}^{3}\text{He}+\gamma){}^{88}\text{Rb}

reaction at 115 MeV/u1906.05934v1 · J. C. Zamora, R.G.T. Zegers, Sam M. Austin et al.2019 · 16 citationsarXiv

Is the Structure of ^42Si Understood?31283300 · Gade, A, Brown, B A, Tostevin, J A et al.2019 · 33 citationsPhysical review letters. 2019;122(22):222501

Spectroscopy and lifetime measurements near the proton drip line:

^{26,27,28}

P1904.10888v2 · B. Longfellow, A. Gade, B. A. Brown et al.2019 · 9 citationsPhys. Rev. C 99, 064330 (2019)

Enhanced Electric Dipole Strength for the Weakly Bound States in ^27Ne.30636164 · Loelius, C, Kobayashi, N, Iwasaki, H et al.2019 · 11 citationsPhysical review letters. 2018;121(26):262501

Career total: 155 works. 53 are in this corpus.Showing the 50 most recent.

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