Dr AJ Mitchell

Position	Research Fellow
Department	Nuclear Physics & Accelerator Applications
Research group	Nuclear structure group
Office phone	(02) 612 53526
Email
Office	Nuclear Physics 2 53
Publication list	Mitchell publication list (126KB PDF)

Publications

Journal article

Lopez-Caceres S, Marley S, Carpenter M, Savard G, Kondev F, Copp P, Reviol W, M?ller-Gatermann C, Seweryniak D, Clark J, Santiago-Gonzalez D, Morgan G, Mitchell A, Wilson G, Smith M
The LSU-Argonne conversion electron spectrometer: A new detector for the X-Array and SATURN decay station
Nuclear Instruments and Methods in Physics Research: Section A 1062, 169228(2024)

Gray T, Stuchbery A, Dobaczewski J, Blazhev A, Alshammari H, Bignell L, Bonnard J, Coombes B, Dowie J, Gerathy M, Kibedi T, Lane G, McCormick B, Mitchell A, Nicholls C, Pope J, Reinhard P, Spinks N, Zhong Y
Shape polarization in the tin isotopes near N = 60 from precision g-factor measurements on short-lived 11/2- isomers
Physics Letters B 847, 138268(2023)

Palazzo T, Mitchell A, Lane G, Stuchbery A, Brown B, Reed M, Akber A, Coombes B, Dowie J, Eriksen T, Gerathy M, Kibedi T, Gabor Tornyi T, de Vries M
Direct Measurement of Hexacontatetrapole, E6 γ Decay from Fe 53m
Physical Review Letters 130, 12(2023) 1-6

Spinks N, Bignell L, Lane G, Akber A, Barberio E, Baroncelli T, Coombes B, Dowie J, Eriksen T, Gerathy M, Gray T, Mahmood I, McCormick B, Melbourne W, Mitchell A, Nuti F, Rahman M, Scutti F, Stuchbery A, Timmers H, Urquijo P, Zhong Y, Zurowski M
Pulse Shape Discrimination of low-energy nuclear and electron recoils for improved particle identification in NaI:Tl
Nuclear Instruments and Methods in Physics Research: Section A 1047, 167773(2023)

Gray T, Allmond J, Dowling D, Febbraro M, King T, Pain S, Stracener D, Ajayi S, Aragon J, Baby L, Barber P, Bignell L, Gerathy M, Lane G, McKie L, Mitchell A, Pope J, DuRietz R, Stuchbery A
CLARION2-TRINITY: A Compton-suppressed HPGe and GAGG:Ce-Si-Si array for absolute cross-section measurements with heavy ions
Nuclear Instruments and Methods in Physics Research: Section A 1041(2022) 1-10

Ideguchi E, Kibedi T, Dowie J, Hoang T, Raju M, Aoi N, Mitchell A, Stuchbery A, Shimizu N, Utsuno Y, Akber A, Bignell L, Coombes B, Eriksen T, Gray T, Lane G, McCormick B
Electric Monopole Transition from the Superdeformed Band in Ca 40
Physical Review Letters 128, 25(2022)

Kay B, Tang T, Tolstukhin I, Roderick G, Mitchell A, Ayyad Y, Bennett S, Chen J, Chipps K, Crawford H, Freeman S, Garrett K
Quenching of Single-Particle Strength in A=15 Nuclei
Physical Review Letters 129, 15(2022) 1-6

Bignell L, Mahmood I, Nuti F, Lane G, Akber A, Barberio E, Baroncelli T, Coombes B, Dix W, Dowie J, Eriksen T, Gerathy M, Gray T, McCormick B, Mitchell A, Rahman M, Scutti F, Spinks N, Stuchbery A, Timmers H, Urquijo P, Wang L, Zhong Y, Zurowski M
Quenching factor measurements of sodium nuclear recoils in NaI:Tl determined by spectrum fitting
Journal of Instrumentation 16, 7(2021)

Gerathy M, Mitchell A, Lane G, Stuchbery A, Akber A, Alshammari H, Bignell L, Coombes B, Dowie J, Gray T, Kibedi T, McCormick B, McKie L, Rahman M, Reece M, Spinks N, Tee B, Zhong Y, Zhu K
Emerging collectivity in neutron-hole transitions near doubly magic ²⁰⁸Pb
Physics Letters B 823(2021) 1-6

Mitchell A, Orford R, Lane G, Lister C, Copp P, Clark J, Savard G, Allmond J, Ayangeakaa A, Bottoni S, Carpenter M, Chowdhury P, Gorelov D, Janssens R, Kondev F, Patel U, Seweryniak D, Smith M, Zhong Y, Zhu S
Ground-state and decay properties of neutron-rich 106Nb
Physical Review C 103, 024323(2021)

Prasher V, Mitchell A, Lister C, Chowdhury P, Afanasieva L, Albers M, Chiara C, Carpenter M, Cline D, D'Olympia N, Guess C
Shapes, softness, and nonyrast collectivity in W-186
Physical Review C 104, 4(2021)

Brown T, Chowdhury P, Doucet E, Jackson E, Lister C, Mitchell A, Rogers A, Morse C, Wilson G, D'Olympia N, Devlin M, Fotiades N, Gomez J, Mosby S, Nelson R
Applications of (CLYC)-L-7 scintillators in fast neutron spectroscopy
Nuclear Instruments and Methods in Physics Research: Section A 954(2020)

Carroll R, Walker P, Lane G, Reed M, Akber A, Albers H, Carroll J, Cullen D, Dai A, Fahlander C, Gerathy M, Hota S, Lotay G, Kibedi T, Margerin V, Mitchell A, Palalani N, Palazzo T, Patel Z, Stuchbery A
γ-ray spectroscopy of a four-quasiparticle isomer band in 174Re
Physical Review C 101, 5(2020) 1-9

Coombes B, Stuchbery A, Allmond J, Gargano A, Dowie J, Georgiev G, Gerathy M, Gray T, Kibedi T, Lane G, McCormick B, Mitchell A, Spinks N, Tee B
Emerging nuclear collectivity in 124-130Te
EPJ Web of Conferences 232(2020) 1-5

Dowie J, Kibedi T, Jenkins D, Stuchbery A, Akber A, Alshammari H, Aoi N, Avaa A, Bignell L, Chisapi M, Coombes B, Eriksen T, Gerathy M, Gray T, Hoang T, Ideguchi E, Jones P, Raju M, Lane G, McCormick B, McKie L, Mitchell A, Spinks N, Tee B
Evidence for shape coexistence and superdeformation in 24Mg
Physics Letters B 811, -(2020) 1-6

Dowie J, Kibedi T, Stuchbery A, Akber A, Avaa A, Bignell L, Chisapi M, Coombes B, Eriksen T, Gerathy M, Gray T, Hoang T, Ideguchi E, Jones P, Raju M, Lane G, McCormick B, Mitchell A, Tee B
Evidence for shape coexistence in 52Cr through conversion-electron and pairconversion spectroscopy
EPJ Web of Conferences 232(2020) 1-4

Eriksen T, Kibedi T, Reed M, Stuchbery A, Cook K, Akber A, Alshahrani B, Avaa A, Banerjee K, Berriman A, Bezzina L, Bignell L, Buete J, Carter I, Coombes B, Dowie J, Dasgupta M, Evitts L, Garnsworthy B, Gerathy M, Gray T, Hinde D, Hoang T, Hota S, Ideguchi E, Jones P, Lane G, McCormick B, Mitchell A, Palalani N, Palazzo T, Ripper M, Simpson E, Smallcombe J, Swinton-Bland B, Tanaka T, Gabor Tornyi T, de Vries M
Improved precision on the experimental E0 decay branching ratio of the Hoyle state
Physical Review C: Nuclear Physics 102, 2(2020) 1-11

Gerathy M, Lane G, Dracoulis G, Nieminen P, Kibedi T, Reed M, Akber A, Coombes B, Dasgupta M, Dowie J, Gray T, Hinde D, Lee B, Mitchell A, Palazzo T, Stuchbery A, Whichello L, Wright A
Solenogam: A new detector array for ?-ray and conversion-electron spectroscopy of long-lived states in fusion-evaporation products
Nuclear Instruments and Methods in Physics Research: Section A 953(2020)

Gerathy M, Lane G, Stuchbery A, Dracoulis G, Kibedi T, Akber A, Bignell L, Coombes B, Dowie J, Gray T, Lee B, McCormick B, Mitchell A, Palalani N
?-ray and conversion-electron spectroscopy of the high-spin isomer in Sm 145
Physical Review C: Nuclear Physics 102, 4(2020) 1-19

Gray T, Stuchbery A, Coombes B, Dowie J, Gerathy M, Kibedi T, Lane G, McCormick B, Mitchell A, Reed M
Hyperfine fields at Ga-66, (67)'Ge-69 implanted into iron and gadolinium hosts at 6 K, and applications to g-factor measurements
Physical Review C: Nuclear Physics 101, 5(2020)

Coombes B, Stuchbery A, Blazhev A, Grawe H, Reed M, Akber A, Dowie J, Gerathy M, Gray T, Kibedi T, Mitchell A, Palazzo T
Spectroscopy and excited-state g factors in weakly collective Cd 111: Confronting collective and microscopic models
Physical Review C: Nuclear Physics 100, 2(2019) 1-12

Evitts L, Garnsworthy B, Kibedi T, Smallcombe J, Reed M, Stuchbery A, Lane G, Eriksen T, Akber A, Alshahrani B, de Vries M, Gerathy M, Holt J, Lee B, McCormick B, Mitchell A, Moukaddam M, Mukhopadhyay S, Palalani N, Palazzo T, Peters E, Ramirez A, Gabor Tornyi T, Yates S
E0 transition strength in stable Ni isotopes
Physical Review C: Nuclear Physics 99, 2(2019)

McCormick B, Stuchbery A, Brown B, Georgiev G, Coombes B, Gray T, Gerathy M, Lane G, Kibedi T, Mitchell A, Reed M, Akber A, Bignell L, Dowie J, Eriksen T, Hota S, Palalani N, Gabor Tornyi T
First-excited state g factors in the stable, even Ge and Se isotopes FIRST-EXCITED STATE g FACTORS in the ... B. P. McCORMICK et al.
Physical Review C: Nuclear Physics 100, 4(2019)

Evitts L, Garnsworthy B, Kibedi T, Smallcombe J, Reed M, Brown B, Stuchbery A, Lane G, Eriksen T, Akber A, Alshahrani B, de Vries M, Gerathy M, Holt J, Lee B, McCormick B, Mitchell A, Moukaddam M, Mukhopadhyay S, Palalani N, Palazzo T, Peters E, Ramirez A, Stroberg S, Gabor Tornyi T, Yates S
Identification of significant E0 strength in the 22+?21+ transitions of 58,60,62Ni
Physics Letters B 779(2018) 396-401

Palazzo T, Lane G, Stuchbery A, Mitchell A, Akber A, Gerathy M, Hota S, Kibedi T, Lee B, Palalani N, Reed M
High-spin spectroscopy and shell-model interpretation of the N < 126 radium isotopes 212Ra and 213Ra
Physical Review C: Nuclear Physics 97, 014323(2018) 1-17

Siegl K, Kolos K, Scielzo N, Aprahamian A, Savard G, Burkey M, Carpenter M, Chowdhury P, Clark J, Copp P, Lane G, Mitchell A, Smith M
B-decay half-lives of Sb 134,134m and their isomeric yield ratio produced by the spontaneous fission of Cf 252
Physical Review C: Nuclear Physics 98, 054307(2018) 1-5

Freeman S, Sharp D, McAllister S, Kay B, Deibel C, Faestermann T, Hertenberger R, Mitchell A, Schiffer J, Szwec S, Thomas J, Wirth H
Experimental study of the rearrangements of valence protons and neutrons amongst single-particle orbits during double-? decay in 100Mo
Physical Review C: Nuclear Physics 96, 5(2017) 15

Gray T, Stuchbery A, Reed M, Akber A, Coombes B, Dowie J, Eriksen T, Gerathy M, Kibedi T, Lane G, Mitchell A, Palazzo T, Gabor Tornyi T
Perturbed angular distributions with LaBr3 detectors: The g factor of the first 10+ state in Cd 110 reexamined
Physical Review C: Nuclear Physics 96, 5(2017) 1-9

Talwar R, Kay B, Mitchell A, Adachi S, Entwisle J, Fujita Y, Gey G, Noji S, Ong H, Schiffer J, Tamii A
High- j neutron excitations outside Xe 136
Physical Review C: Nuclear Physics 96, 2(2017) 024310 9

Fritsch A, Beceiro-Novo S, Suzuki D, Mittig W, Kolata J, Ahn T, Bazin D, Becchetti F, Fang X, Febbraro M, Mitchell A
One-dimensionality in atomic nuclei: A candidate for linear-chain alpha clustering in C-14
Physical Review C: Nuclear Physics 93, 1(2016) 014321 / 1-5

Guimaraes V, Kolata J, Aguilera E, Howard A, Roberts A, Becchetti F, Torres-Isea R, Riggins A, Febrarro M, Scarduelli V, de Faria P, Monteiro D, Huiza J, Arazi A, Hinnefeld J, Moro A, Rossi Jr E, Morcelle V, Barioni A, Mitchell A
Backscattering measurement of ⁶He on ²⁰⁹Bi: Critical interaction distance
Physical Review C: Nuclear Physics 93, 6(2016)

Mitchell A, Lister C, McCutchan E, Albers M, Ayangeakaa A, Bertone P, Carpenter M, Chiara C, Chowdhury P, Clark J, Copp P, Hota S
gamma-soft Ba-146 and the role of nonaxial shapes at N approximate to 90
Physical Review C: Nuclear Physics 93, 1(2016) 1-9

Mitchell A, Bertone P, DiGiovine B, Lister C, Carpenter M, Chowdhury P, Clark J, Olympia N, Deo A, Kondev F, McCutchan E, Rohrer J, Savard G, Seweryniak D, Zhu S
The X-Array and SATURN: A new decay-spectroscopy station for CARIBU
Nuclear Instruments and Methods in Physics Research: Section A 763(2014) 232-239

Kay B, Bloxham T, McAllister S, Clark J, Deibel C, Freedman S, Freeman S, Han K, Howard A, Mitchell A, Parker P, Schiffer J, Sharp D, Thomas J
Valence neutron properties relevant to the neutrinoless double-beta decay of Te-130
Physical Review C: Nuclear Physics 87, 1(2013) 1-6

Roberts A, Howard A, Kolata J, Villano A, Becchetti F, De Young P, Febbraro M, Freeman S, Kay B, McAllister S, Mitchell A, Schiffer J, Thomas J, Thomas J, Torres-Isea R
Proton pair correlations and the neutrinoless double-beta decay of Ge-76
Physical Review C: Nuclear Physics 87, 5(2013) 1-5

Schiffer J, Hoffman C, Kay B, Clark J, Deibel C, Freeman S, Honma M, Howard A, Mitchell A, Otsuka T, Parker P, Sharp D, Thomas J
Valence nucleon populations in the Ni isotopes
Physical Review C: Nuclear Physics 87, 3(2013) 034306 /1-15

Sharp D, Kay B, Thomas J, Freeman S, Schiffer J, Back B, Bedoor S, Bloxham T, Clark J, Deibel C, Hoffman C, Howard A, Lighthall J, Marley S, Mitchell A, Otsuka T, Parker P, Rehm K, Shetty D, Wuosmaa A
Neutron single-particle strength outside the N=50 core
Physical Review C: Nuclear Physics 87, 1(2013) 1-11

Schiffr J, Hoffman C, Kay B, Clark J, Deibel C, Freeman S, Howard A, Mitchell A, Parker P, Sharp D, Thomas J
Test of Sum Rules in Nucleon Transfer Reactions
Physical Review Letters 108, 2(2012)

Thomas J, Freeman S, Deibel C, Faestermann T, Hertenberger R, Kay B, McAllister S, Mitchell A, Schiffer J, Sharp D, Wirth H
Neutron pair correlations in A=100 nuclei involved in neutrinoless double-beta decay
Physical Review C: Nuclear Physics 86, 4(2012) 1-5

(39 publications)

Conference paper

Mitchell A
Outreach and engagement in Australia and the Indo-Pacific region
27th International Nuclear Physics Conference (INPC2019) ?, ?(2020) 7

Eriksen T, Kibedi T, Reed M, Stuchbery A, Akber A, de Vries M, Dowie J, Evitts L, Garnsworthy B, Gerathy M, Hota S, Lane G, Mitchell A, Palazzo T, Smallcombe J, Gabor Tornyi T
The 3 alpha Process Studied Through Pair Conversion Transitions From the Hoyle State in C-12
14th International Symposium on the Nuclei in the Cosmos NIC-XIV (NIC2016) ?, ?(2016)

Eriksen T, Kibedi T, Reed M, de Vries M, Stuchbery A, Akber A, Dowie J, Evitts L, Garnsworthy A, Gerathy M, Lane G, Mitchell A, Mukhopadhyay S, Palazzo T, Peters E, Ramirez A, Smallcombe J, Gabor Tornyi T, Wood J, Yates S
Systematic Studies Of E0 Transitions In 54, 56, 58Fe
26th International Nuclear Physics Conference (INPC2016) ?, ?(2016)

Mitchell A, Copp P, Savard G, Lister C, Lane G, Carpenter M, Clark J, Zhu S, Ayangeakaa A, Bottoni S, Brown T, Chowdhury P, Smith M
Recent advances in beta-decay spectroscopy at CARIBU
Heavy Ion Accelerator Symposium, HIAS 2015 ?, ?(2016)

Mitchell A, Copp P, Savard G, Lister C, Lane G, Carpenter M, Clark J, Zhu S, Ayangeakaa A, Bottoni S, Brown T, Chowdhury P, Chillery T, David H
Recent advances in ?-decay spectroscopy at CARIBU
Heavy Ion Accelerator Symposium, HIAS 2015 ?, ?(2016)

Kay B, Alcorta M, Back B, Baker S, Bedoor S, Bloxham T, Clark J, Deibel C, Freeman S, Hoffman C, Mitchell A
HELIOS - Progress and possibilities
Rutherford Centennial Conference on Nuclear Physics ?, ?(2012) 1-6

Mitchell A, Freeman S, Schiffer J, Clark J, Deibel C, Hoffman C, Howard A, Kay B, Parker P, Sharp D, Thomas J
Investigating trends in proton single-particle states in Z = 51 isotopes using transfer reactions
Rutherford Centennial Conference on Nuclear Physics ?, ?(2012) 1-6

Sharp D, Kay B, Freeman S, Schiffer J, Back B, Bloxham T, Clark J, Deibel C, Hoffman C, Howard A, Mitchell A
Trends in the g 7/2 and h 11/2 neutron single-particle energies in N =51 isotones
Rutherford Centennial Conference on Nuclear Physics ?, ?(2012) 1-6

(8 publications)