B. E. Longworth, Robinson, L. F., Roberts, M. L., Beaupré, S. R., Burke, A., and Jenkins, W. J.,
“Carbonate as sputter target material for rapid C-14 AMS”,
Nuclear Instruments & Methods in Physics Research Section B-Beam Interactions with Materials and Atoms, vol. 294, pp. 328-334, 2013.
B. E. Longworth, Burton, J. R., Pendleton, S. L., Moser, S. D., Roberts, M. L., and Kurz, M. D.,
“Radiocarbon measurement of CO2 from carbonate minerals using a hybrid gas ion source with an open split interface”,
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, vol. 531, pp. 49–55, 2022.
B. E. Longworth, von Reden, K. F., Long, P., and Roberts, M. L.,
“A high output, large acceptance injector for the NOSAMS Tandetron AMS system”,
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, vol. 361, pp. 211-216, 2015.