Photo of Dr James Smallcombe

Dr James Smallcombe

Research Associate Physics

Publications

2020

High-spin structure of the sd shell nuclei Na-25 and Ne-22 (Journal article)

Williams, J., Ball, G. C., Chester, A., Choudhary, P., Domingo, T., Garnsworthy, A. B., . . . Williams, M. (2020). High-spin structure of the sd shell nuclei Na-25 and Ne-22. PHYSICAL REVIEW C, 102(6). doi:10.1103/PhysRevC.102.064302

DOI: 10.1103/PhysRevC.102.064302

High-precision branching ratio measurement and spin assignment implications for Ga-62 superallowed beta decay (Journal article)

MacLean, A. D., Laffoley, A. T., Svensson, C. E., Ball, G. C., Leslie, J. R., Andreoiu, C., . . . Zidar, T. (2020). High-precision branching ratio measurement and spin assignment implications for Ga-62 superallowed beta decay. PHYSICAL REVIEW C, 102(5). doi:10.1103/PhysRevC.102.054325

DOI: 10.1103/PhysRevC.102.054325

Decay spectroscopy of Cd-129 (Journal article)

Saito, Y., Dillmann, I., Krucken, R., Bernier, N., Ball, G. C., Bowry, M., . . . Collaboration, G. R. I. F. F. I. N. (2020). Decay spectroscopy of Cd-129. PHYSICAL REVIEW C, 102(2). doi:10.1103/PhysRevC.102.024337

DOI: 10.1103/PhysRevC.102.024337

Improved precision on the experimental E0 decay branching ratio of the Hoyle state (Journal article)

Eriksen, T. K., Kibedi, T., Reed, M. W., Stuchbery, A. E., Cook, K. J., Akber, A., . . . de Vries, M. O. (2020). Improved precision on the experimental E0 decay branching ratio of the Hoyle state. PHYSICAL REVIEW C, 102(2). doi:10.1103/PhysRevC.102.024320

DOI: 10.1103/PhysRevC.102.024320

Coulomb excitation of the $\left|T_z\right|=\frac{1}{2}$, $A=23$ mirror pair and systematics of ab-initio $E2$ strength (Journal article)

Henderson, J., Hackman, G., Ruotsalainen, P., Holt, J. D., Stroberg, S. R., Hagen, G., . . . Wu, C. Y. (n.d.). Coulomb excitation of the $\left|T_z\right|=\frac{1}{2}$, $A=23$ mirror pair and systematics of ab-initio $E2$ strength. Retrieved from http://arxiv.org/abs/2005.03796v1

2019

The CsI ball ancillary detector array for TIP and TIGRESS at TRIUMF (Journal article)

Williams, J., Andreoiu, C., Ball, G. C., Bernier, N., Bowry, M., Bhattacharjee, S. S., . . . Wu, F. (2019). The CsI ball ancillary detector array for TIP and TIGRESS at TRIUMF. NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 939, 1-9. doi:10.1016/j.nima.2019.05.069

DOI: 10.1016/j.nima.2019.05.069

Search for a decay of Te-104 with a novel recoil-decay scintillation detector (Journal article)

Xiao, Y., Go, S., Grzywacz, R., Orlandi, R., Andreyev, A. N., Asai, M., . . . Wadsworth, R. (2019). Search for a decay of Te-104 with a novel recoil-decay scintillation detector. PHYSICAL REVIEW C, 100(3). doi:10.1103/PhysRevC.100.034315

DOI: 10.1103/PhysRevC.100.034315

Shape coexistence in the neutron-deficient lead region: A systematic study of lifetimes in the even-even $^{188-200}$Hg with GRIFFIN (Journal article)

Olaizola, B., Garnsworthy, A. B., Ball, G. C., Bernier, N., Bowry, M., Caballero-Folch, R., . . . Williams, J. (n.d.). Shape coexistence in the neutron-deficient lead region: A systematic study of lifetimes in the even-even $^{188-200}$Hg with GRIFFIN. doi:10.1103/PhysRevC.100.024301

DOI: 10.1103/PhysRevC.100.024301

Shape coexistence in the neutron-deficient lead region: A systematic study of lifetimes in the even-even Hg188-200 with the GRIFFIN spectrometer at TRIUMF (Journal article)

Olaizola, B., Garnsworthy, A. B., Ali, F. A., Andreoiu, C., Ball, G. C., Bernier, N., . . . Zidar, T. (2019). Shape coexistence in the neutron-deficient lead region: A systematic study of lifetimes in the even-even Hg188-200 with the GRIFFIN spectrometer at TRIUMF. PHYSICAL REVIEW C, 100(2). doi:10.1103/PhysRevC.100.024301

DOI: 10.1103/PhysRevC.100.024301

Structure of Mg-28 and influence of the neutron pf shell (Journal article)

Williams, J., Ball, G. C., Chester, A., Domingo, T., Garnsworthy, A. B., Hackman, G., . . . Williams, M. (2019). Structure of Mg-28 and influence of the neutron pf shell. PHYSICAL REVIEW C, 100(1). doi:10.1103/PhysRevC.100.014322

DOI: 10.1103/PhysRevC.100.014322

TRIFIC: The TRIUMF Fast Ion Counter (Journal article)

Chester, A., Smallcombe, J., Henderson, J., Berean-Dutcher, J., Bernier, N., Bhattacharjee, S. S., . . . Yates, D. (2019). TRIFIC: The TRIUMF Fast Ion Counter. NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 930, 1-7. doi:10.1016/j.nima.2019.03.075

DOI: 10.1016/j.nima.2019.03.075

Isospin symmetry in B(E2) values: Coulomb excitation study of Mg-21 (Journal article)

Ruotsalainen, P., Henderson, J., Hackman, G., Sargsyan, G. H., Launey, K. D., Saxena, A., . . . Wu, C. Y. (2019). Isospin symmetry in B(E2) values: Coulomb excitation study of Mg-21. PHYSICAL REVIEW C, 99(5). doi:10.1103/PhysRevC.99.051301

DOI: 10.1103/PhysRevC.99.051301

The GRIFFIN facility for Decay-Spectroscopy studies at TRIUMF-ISAC (Journal article)

Garnsworthy, A. B., Svensson, C. E., Bowry, M., Dunlop, R., MacLean, A. D., Olaizola, B., . . . Zidar, T. (2019). The GRIFFIN facility for Decay-Spectroscopy studies at TRIUMF-ISAC. NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 918, 9-29. doi:10.1016/j.nima.2018.11.115

DOI: 10.1016/j.nima.2018.11.115

E0 transition strength in stable Ni isotopes (Journal article)

Evitts, L. J., Garnsworthy, A. B., Kibedi, T., Smallcombe, J., Reed, M. W., Stuchbery, A. E., . . . Yates, S. W. (2019). E0 transition strength in stable Ni isotopes. PHYSICAL REVIEW C, 99(2). doi:10.1103/PhysRevC.99.024306

DOI: 10.1103/PhysRevC.99.024306

Confirming band assignments in (167)ytterbium with gamma-gamma-electron triple-coincidence spectroscopy (Journal article)

Smallcombe, J., Davies, P. J., Barton, C. J., Andersson, L. L., Butler, P. A., Cox, D. M., . . . Uusitalo, J. (2019). Confirming band assignments in (167)ytterbium with gamma-gamma-electron triple-coincidence spectroscopy. EUROPEAN PHYSICAL JOURNAL A, 55(1). doi:10.1140/epja/i2019-12675-8

DOI: 10.1140/epja/i2019-12675-8

2018

Advances at TRIUMF-ISAC and decay of neutron-rich Cd studied with GRIFFIN (Conference Paper)

Garrett, P. E., Bernier, N., Dunlop, R., MacLean, A. D., Bildstein, V., Dillmann, I., . . . Zidar, T. (2018). Advances at TRIUMF-ISAC and decay of neutron-rich Cd studied with GRIFFIN. In 6TH WORKSHOP ON NUCLEAR FISSION AND SPECTROSCOPY OF NEUTRON-RICH NUCLEI (FISSION 2017) Vol. 193. doi:10.1051/epjconf/201819304011

DOI: 10.1051/epjconf/201819304011

Half-Lives of Neutron Rich $^{130}$Cd and $^{131}$In (Journal article)

Dunlop, R., Svensson, C. E., Andreoiu, C., Ball, G. C., Bernier, N., Bildstein, V., . . . Zidar, T. (n.d.). Half-Lives of Neutron Rich $^{130}$Cd and $^{131}$In. Retrieved from http://arxiv.org/abs/1810.07089v1

In-beam internal conversion electron spectroscopy with the SPICE detector (Journal article)

Moukaddam, M., Smallcombe, J., Evitts, L. J., Garnsworthy, A. B., Andreoiu, C., Ball, G. C., . . . Zidar, T. (2018). In-beam internal conversion electron spectroscopy with the SPICE detector. NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 905, 180-187. doi:10.1016/j.nima.2018.07.064

DOI: 10.1016/j.nima.2018.07.064

E0 transition strengths in P-110 (Journal article)

Smallcombe, J., Berean-Dutcher, J., Moukaddam, M., Garnsworthy, A. B., Andreoiu, C., Caballero-Folch, R., . . . Zidar, T. (2018). E0 transition strengths in P-110. EUROPEAN PHYSICAL JOURNAL A, 54(10). doi:10.1140/epja/i2018-12604-5

DOI: 10.1140/epja/i2018-12604-5

Testing microscopically derived descriptions of nuclear collectivity: Coulomb excitation of Mg-22 (Journal article)

Henderson, J., Hackman, G., Ruotsalainen, P., Stroberg, S. R., Launey, K. D., Holt, J. D., . . . Wu, C. Y. (2018). Testing microscopically derived descriptions of nuclear collectivity: Coulomb excitation of Mg-22. PHYSICS LETTERS B, 782, 468-473. doi:10.1016/j.physletb.2018.05.064

DOI: 10.1016/j.physletb.2018.05.064

Lifetimes of low-lying excited states in Kr-86(36)50 (Journal article)

Henderson, J., Chester, A., Ball, G. C., Caballero-Folch, R., Domingo, T., Drake, T. E., . . . Williams, J. (2018). Lifetimes of low-lying excited states in Kr-86(36)50. PHYSICAL REVIEW C, 97(4). doi:10.1103/PhysRevC.97.044311

DOI: 10.1103/PhysRevC.97.044311

Identification of significant E0, strength in the 2(2)(+) -> 2(1)(+) transitions of Ni-58,Ni-60,Ni-62 (Journal article)

Evitts, L. J., Garnsworthy, A. B., Kibedi, T., Smallcombe, J., Reed, M. W., Brown, B. A., . . . Yates, S. W. (2018). Identification of significant E0, strength in the 2(2)(+) -> 2(1)(+) transitions of Ni-58,Ni-60,Ni-62. PHYSICS LETTERS B, 779, 396-401. doi:10.1016/j.physletb.2018.01.076

DOI: 10.1016/j.physletb.2018.01.076

Recoil distance method lifetime measurements at TRIUMF-ISAC using the TIGRESS Integrated Plunger (Journal article)

Chester, A., Ball, G. C., Bernier, N., Cross, D. S., Domingo, T., Drake, T. E., . . . Williams, M. (2018). Recoil distance method lifetime measurements at TRIUMF-ISAC using the TIGRESS Integrated Plunger. NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 882, 69-83. doi:10.1016/j.nima.2017.11.029

DOI: 10.1016/j.nima.2017.11.029

Study of Fission Using Multi-Nucleon Transfer Reactions (Conference Paper)

Nishio, K., Hirose, K., Leguillon, R., Makii, H., Orlandi, R., Tsukada, K., . . . Andreyev, A. N. (2018). Study of Fission Using Multi-Nucleon Transfer Reactions. In FISSION AND PROPERTIES OF NEUTRON-RICH NUCLEI (pp. 590-597). Retrieved from http://gateway.webofknowledge.com/

2017

Role of Multichance Fission in the Description of Fission-Fragment Mass Distributions at High Energies (Journal article)

Hirose, K., Nishio, K., Tanaka, S., Leguillon, R., Makii, H., Nishinaka, I., . . . Andreyev, A. N. (2017). Role of Multichance Fission in the Description of Fission-Fragment Mass Distributions at High Energies. PHYSICAL REVIEW LETTERS, 119(22). doi:10.1103/PhysRevLett.119.222501

DOI: 10.1103/PhysRevLett.119.222501

Experimental fission study using multi-nucleon transfer reactions (Conference Paper)

Nishio, K., Hirose, K., Leguillon, R., Makii, H., Orlandi, R., Tsukada, K., . . . Andreyev, A. (2017). Experimental fission study using multi-nucleon transfer reactions. In ND 2016: INTERNATIONAL CONFERENCE ON NUCLEAR DATA FOR SCIENCE AND TECHNOLOGY Vol. 146. doi:10.1051/epjconf/201714604009

DOI: 10.1051/epjconf/201714604009

Recoil distance method lifetime measurement of the 2(1)(+) state in Sr-94 and implications for the structure of neutron-rich Sr isotopes (Journal article)

Chester, A., Ball, G. C., Caballero-Folch, R., Cross, D. S., Cruz, S., Domingo, T., . . . Wimmer, K. (2017). Recoil distance method lifetime measurement of the 2(1)(+) state in Sr-94 and implications for the structure of neutron-rich Sr isotopes. PHYSICAL REVIEW C, 96(1). doi:10.1103/PhysRevC.96.011302

DOI: 10.1103/PhysRevC.96.011302

HIGH-STATISTICS beta-DECAY MEASUREMENTS AT TRIUMF-ISAC AND THE TRANSITION FROM THE 8 pi SPECTROMETER TO GRIFFIN (Conference Paper)

Garrett, P. E., Jigmeddorj, B., MacLean, A. D., Bidaman, H., Bildstein, V., Burbadge, C., . . . Starosta, K. (2017). HIGH-STATISTICS beta-DECAY MEASUREMENTS AT TRIUMF-ISAC AND THE TRANSITION FROM THE 8 pi SPECTROMETER TO GRIFFIN. In ACTA PHYSICA POLONICA B Vol. 48 (pp. 523-528). doi:10.5506/APhysPolB.48.523

DOI: 10.5506/APhysPolB.48.523

The 3 alpha Process Studied Through Pair Conversion Transitions From the Hoyle State in C-12 (Conference Paper)

Eriksen, T. K., Kibedi, T., Reed, M. W., Stuchbery, A. E., Akber, A., de Vries, M., . . . Tornyi, T. G. (2016). The 3 alpha Process Studied Through Pair Conversion Transitions From the Hoyle State in C-12. In PROCEEDINGS OF THE 14TH INTERNATIONAL SYMPOSIUM ON NUCLEI IN THE COSMOS (NIC2016). doi:10.7566/JPSCP.14.020404

DOI: 10.7566/JPSCP.14.020404

2016

Fission fragments mass distributions of nuclei populated bythemultinucleon transfer channels of the O-18+Th-232 reaction (Journal article)

Leguillon, R., Nishio, K., Hirose, K., Makii, H., Nishinaka, I., Orlandi, R., . . . Andreyev, A. N. (2016). Fission fragments mass distributions of nuclei populated bythemultinucleon transfer channels of the O-18+Th-232 reaction. PHYSICS LETTERS B, 761, 125-130. doi:10.1016/j.physletb.2016.08.010

DOI: 10.1016/j.physletb.2016.08.010

SPectrometer for Internal Conversion Electrons (SPICE) at TRIUMF-ISAC (Conference Paper)

Smallcombe, J., Moukaddam, M., Evitts, L. J., Garnsworthy, A. B., Hallam, S., Andreoiu, C., . . . Williams, M. (2016). SPectrometer for Internal Conversion Electrons (SPICE) at TRIUMF-ISAC. In HEAVY ION ACCELERATOR SYMPOSIUM 2015: INTERNATIONAL NUCLEAR STRUCTURE CONFERENCE IN REMEMBRANCE OF GEORGE DRACOULIS Vol. 123. doi:10.1051/epjconf/201612304005

DOI: 10.1051/epjconf/201612304005

Shell evolution approaching the N=20 island of inversion: Structure of Na-26 (Journal article)

Wilson, G. L., Catford, W. N., Orr, N. A., Diget, C. A., Matta, A., Hackman, G., . . . Wadsworth, R. (2016). Shell evolution approaching the N=20 island of inversion: Structure of Na-26. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 759, 417-423. doi:10.1016/j.physletb.2016.05.093

DOI: 10.1016/j.physletb.2016.05.093

Half-lives of neutron-rich Cd128-130 (Journal article)

Dunlop, R., Bildstein, V., Dillmann, I., Jungclaus, A., Svensson, C. E., Andreoiu, C., . . . Zidar, T. (2016). Half-lives of neutron-rich Cd128-130. PHYSICAL REVIEW C, 93(6). doi:10.1103/PhysRevC.93.062801

DOI: 10.1103/PhysRevC.93.062801

Determination of absolute internal conversion coefficients using the SAGE spectrometer (Journal article)

Sorri, J., Greenlees, P. T., Papadakis, P., Konki, J., Cox, D. M., Auranen, K., . . . Jenkins, D. G. (2016). Determination of absolute internal conversion coefficients using the SAGE spectrometer. NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 812, 24-32. doi:10.1016/j.nima.2015.12.041

DOI: 10.1016/j.nima.2015.12.041

Model experiment of magnetic field amplification in laser-produced plasmas via the Richtmyer-Meshkov instability (Journal article)

Kuramitsu, Y., Ohnishi, N., Sakawa, Y., Morita, T., Tanji, H., Ide, T., . . . Takabe, H. (2016). Model experiment of magnetic field amplification in laser-produced plasmas via the Richtmyer-Meshkov instability. PHYSICS OF PLASMAS, 23(3). doi:10.1063/1.4944925

DOI: 10.1063/1.4944925

First Results from Griffin: The Half-lives Of 128-130Cd (Conference Paper)

Dunlop, R., Bildstein, V., Dillmann, I., Jungclaus, A., Svensson, C. E., Andreoiu, C., . . . Zidar, T. (2016). First Results from Griffin: The Half-lives Of 128-130Cd. In Proceedings of Science Vol. 2016-September.

Systematic Studies Of E0 Transitions In 54, 56, 58Fe (Conference Paper)

Eriksen, T. K., Kibédi, T., Reed, M. W., De Vries, M., Stuchbery, A. E., Akber, A., . . . Yates, S. W. (2016). Systematic Studies Of E0 Transitions In 54, 56, 58Fe. In Proceedings of Science Vol. 2016-September.

2015

Fission study of actinide nuclei using multi-nucleon transfer reactions (Conference Paper)

Nishio, K., Hirose, K., Leguillon, R., Makii, H., Nishinaka, I., Orlandi, R., . . . Takaki, N. (2015). Fission study of actinide nuclei using multi-nucleon transfer reactions. In SCIENTIFIC WORKSHOP ON NUCLEAR FISSION DYNAMICS AND THE EMISSION OF PROMPT NEUTRONS AND GAMMA RAYS, THEORY-3 Vol. 64 (pp. 140-144). doi:10.1016/j.phpro.2015.04.018

DOI: 10.1016/j.phpro.2015.04.018

2014

Experimental investigation of the 0(2)(+) band in Sm-154 as a beta-vibrational band (Journal article)

Smallcombe, J., Davies, P. J., Barton, C. J., Jenkins, D. G., Andersson, L. L., Butler, P. A., . . . Uusitalo, J. (2014). Experimental investigation of the 0(2)(+) band in Sm-154 as a beta-vibrational band. PHYSICS LETTERS B, 732, 161-166. doi:10.1016/j.physletb.2014.03.034

DOI: 10.1016/j.physletb.2014.03.034