William Bertsche

William Bertsche

Dr

 https://orcid.org/0000-0002-6565-9282

Accepting PhD Students

  • 53 Article
  • 7 Chapter
  • 2 Conference contribution
  • 1 Review article

Search results

  • 2024

    Adiabatic expansion cooling of antihydrogen

    The ALPHA Collaboration, Jul 2024, In: Physical Review Research. 6, 3, L032065.

    Research output: Contribution to journal › Article › peer-review

    Open Access

  • Development and commissioning of a hydrogen ion source for the CERN ALPHA experiment

    Johnson, M., Bertsche, W., Cortázar, O., Faircloth, D., Kalvas, T., Lawrie, S., Megia Macías, A., Tarvainen, O. & Barrios Díaz, E., 1 Jan 2024, In: Journal of Instrumentation. 19, 1, C01021.

    Research output: Contribution to journal › Article › peer-review

    Open Access
  • 2023

    Design and performance of a novel low energy multispecies beamline for an antihydrogen experiment

    ALPHA Collaboration, 21 Apr 2023, In: Physical Review Accelerators and Beams. 26, 040101 .

    Research output: Contribution to journal › Article › peer-review

    Open Access

  • Observation of the effect of gravity on the motion of antimatter

    ALPHA Collaboration, 28 Sept 2023, In: Nature . 621, p. 716–722

    Research output: Contribution to journal › Article › peer-review

    Open Access
  • 2022

    A Low Energy H<sup>-</sup> Beamline for the ALPHA Antihydrogen Experiment

    Bertsche, W. A., Faircloth, D., Johnson, M. A., Kalvas, T., Lawrie, S. & Tarvainen, O., 1 Apr 2022, In: Journal of Physics: Conference Series.

    Research output: Contribution to journal › Article › peer-review

  • 2021

    COMMISSIONING OF TIMEPIX3 BASED BEAM GAS IONISATION PROFILE MONITORS FOR THE CERN PROTON SYNCHROTON

    Sandberg, H., Bertsche, W., Bodart, D., Jensen, S., Gibson, S., Levasseur, S., Satou, K., Schneider, G., Storey, J. W. & Veness, R., 14 Oct 2021, IBIC 2021 - Proceedings of the 10th International Beam Instrumentation Conference. JACoW, p. 172-175 4 p. (Proceedings of the International Beam Instrumentation Conference, IBIC).

    Research output: Chapter in Book/Conference proceeding › Conference contribution › peer-review

    Open Access

  • Laser cooling of antihydrogen atoms

    ALPHA Collaboration, 1 Apr 2021, In: Nature: international weekly journal of science. 592, 7852, p. 35-42 8 p.

    Research output: Contribution to journal › Article › peer-review

    Open Access

  • Sympathetic cooling of positrons to cryogenic temperatures for antihydrogen production

    Baker, C. J., Bertsche, W., Capra, A., Cesar, C. L., Charlton, M., Mathad, A. C., Eriksson, S., Evans, A., Evetts, N., Fabbri, S., Fajans, J., Friesen, T., Fujiwara, M., Grandemange, P., Granum, P., Hangst, J. S., Hayden, M. E., Hodgkinson, D., Isaac, C. A. & Johnson, M. A. & 27 others, Jones, J. M., Jones, S., Jonsell, S., Kurchaninov, L., Madsen, N., Maxwell, D., McKenna, J. T. K., Menary, S., Momose, T., Mullan, P., Olchanski, K., Olin, A., Peszka, J., Powell, A., Pusa, P., Rasmussen, C. Ø., Robicheaux, F., Sacramento, R. L., Sameed, M., Sarid, E., Silveira, D. M., Stutter, G., So, C., Tharp, T. D., Thompson, R. I., van der Werf, D. & Wurtele, J., 22 Oct 2021, In: Nature Communications. 12, 1, 6139.

    Research output: Contribution to journal › Article › peer-review

    Open Access
  • 2020

    Investigation of the fine structure of antihydrogen

    Bertsche, W. & Sameed, M., 2020, In: Nature.

    Research output: Contribution to journal › Article › peer-review

    Open Access

  • The ALPHA-g Antihydrogen Gravity Magnet System

    So, C., Fajans, J. & Bertsche, W., Jun 2020, In: IEEE Transactions on Applied Superconductivity. 30, 4

    Research output: Contribution to journal › Article › peer-review

  • 2019

    First use of Timepix3 hybrid pixel detectors in ultra-high vacuum for beam profile measurements

    Sandberg, H., Bertsche, W., Bodart, D., Dehning, B., Gibson, S., Levasseur, S., Satou, K., Schneider, G., Storey, J. W. & Veness, R., 14 Jan 2019, In: Journal of Instrumentation. 14, 1, 10 p., C01013.

    Research output: Contribution to journal › Article › peer-review

  • Measuring the Gain of a Micro-Channel Plate/Phosphor Assembly Using a Convolutional Neural Network

    Jones, M., Harvey, M., Bertsche, W., Murray, A. & Appleby, R., 30 Oct 2019, (Accepted/In press) In: IEEE Transactions on Nuclear Science .

    Research output: Contribution to journal › Article › peer-review

  • 2018

    Characterization of the 1S-2S transition in antihydrogen

    Ahmadi, M., Alves, B. X. R., Baker, C. J., Bertsche, W., Capra, A., Carruth, C., Cesar, C. L., Charlton, M., Cohen, S., Collister, R., Eriksson, S., Evans, A., Evetts, N., Fajans, J., Friesen, T., Fujiwara, M. C., Gill, D. R., Hangst, J. S., Hardy, W. N. & Hayden, M. E. & 29 others, Isaac, C. A., Johnson, M. A., Jones, J. M., Jones, S. A., Jonsell, S., Khramov, A., Knapp, P., Kurchaninov, L., Madsen, N., Maxwell, D., McKenna, J. T. K., Menary, S., Momose, T., Munich, J. J., Olchanski, K., Olin, A., Pusa, P., Rasmussen, C., Robicheaux, F., Sacramento, R. L., Sameed, M., Sarid, E., Silveira, D. M., Stutter, G., So, C., Tharp, T. D., Thompson, R. I., Van Der Werf, D. P. & Wurtele, J. S., 2018, In: Nature. 557, 7703, p. 71-75 5 p.

    Research output: Contribution to journal › Article › peer-review

    Open Access

  • Enhanced Control and Reproducibility of Non-Neutral Plasmas

    ALPHA Collaboration, 2018, In: Physical Review Letters. 120, 2, 025001.

    Research output: Contribution to journal › Article › peer-review

    Open Access

  • Observation of the 1S-2P Lyman-alpha transition in antihydrogen

    Bertsche, W., Ahmadi, M., Alves, B. X. R., Baker, C. J., Capra, A., Carruth, C., Cesar, C. L., Charlton, M., Cohen, S., Collister, R., Eriksson, S., Evans, A., Evetts, N., Fajans, J., Friesen, T. & Fujiwara, M. C., 13 Sept 2018, In: Nature -London-. 561, 7722, p. 211-215 5 p., 7722.

    Research output: Contribution to journal › Article › peer-review

    Open Access
  • 2017

    Antihydrogen accumulation for fundamental symmetry tests

    Ahmadi, M., Alves, B. X. R., Baker, C. J., Bertsche, W., Butler, E., Capra, A., Carruth, C., Cesar, C. L., Charlton, M., Cohen, S., Collister, R., Eriksson, S., Evans, A., Evetts, N., Fajans, J., Friesen, T., Fujiwara, M. C., Gill, D. R., Gutierrez, A. & Hangst, J. S. & 34 others, Hardy, W. N., Hayden, M. E., Isaac, C. A., Ishida, A., Johnson, M. A., Jones, S. A., Jonsell, S., Kurchaninov, L., Madsen, N., Mathers, M., Maxwell, D., McKenna, J. T. K., Menary, S., Michan, J. M., Momose, T., Munich, J. J., Nolan, P., Olchanski, K., Olin, A., Pusa, P., Rasmussen, C. O., Robicheaux, F., Sacramento, R. L., Sameed, M., Sarid, E., Silveira, D. M., Stracka, S., Stutter, G., So, C., Tharp, T. D., Thompson, J. E., Thompson, R. I., Van Der Werf, D. P. & Wurtele, J. S., 2017, In: Nature Communications. 8, 1, 681.

    Research output: Contribution to journal › Article › peer-review

    Open Access

  • Cold neutral atoms via charge exchange from excited state positronium: a proposal

    Bertsche, W., Charlton, M. & Eriksson, S., 2017, In: New Journal of Physics. 19

    Research output: Contribution to journal › Article › peer-review

    Open Access

  • Investigation of two-frequency Paul traps for antihydrogen production

    Leefer, N., Krimmel, K., Bertsche, W., Budker, D., Fajans, J., Folman, R., Häffner, H. & Schmidt-Kaler, F., 1 Nov 2017, In: Hyperfine Interactions. 238, 1, 12.

    Research output: Contribution to journal › Article › peer-review

    Open Access

  • Limit on the electric charge of antihydrogen

    Capra, A., Amole, C., Ashkezari, M. D., Baquero-Ruiz, M., Bertsche, W., Butler, E., Cesar, C. L., Charlton, M., Eriksson, S., Fajans, J., Friesen, T., Fujiwara, M. C., Gill, D. R., Gutierrez, A., Hangst, J. S., Hardy, W. N., Hayden, M. E., Isaac, C. A., Jonsell, S. & Kurchaninov, L. & 20 others, Little, A., K. McKenna, J. T., Menary, S., Napoli, S. C., Nolan, P., Olchanski, K., Olin, A., Povilus, A., Pusa, P., Robicheaux, F., Sarid, E., Silveira, D. M., So, C., Tharp, T. D., Thompson, R. I., van der Werf, D. P., Vendeiro, Z., Wurtele, J. S., Zhmoginov, A. I. & Charman, A. E., 1 Nov 2017, In: Hyperfine Interactions. 238, 1, 9.

    Research output: Contribution to journal › Article › peer-review

  • Observation of the 1S-2S transition in trapped antihydrogen

    Ahmadi, M., Alves, B. X. R., Baker, C. J., Bertsche, W., Butler, E., Capra, A., Carruth, C., Cesar, C. L., Charlton, M., Cohen, S., Collister, R., Eriksson, S., Evans, A., Evetts, N., Fajans, J., Friesen, T., Fujiwara, M. C., Gill, D. R., Gutierrez, A. & Hangst, J. S. & 34 others, Hardy, W. N., Hayden, M. E., Isaac, C. A., Ishida, A., Johnson, M. A., Jones, S. A., Jonsell, S., Kurchaninov, L., Madsen, N., Mathers, M., Maxwell, D., McKenna, J. T. K., Menary, S., Michan, J. M., Momose, T., Munich, J. J., Nolan, P., Olchanski, K., Olin, A., Pusa, P., Rasmussen, C. Ø., Robicheaux, F., Sacramento, R. L., Sameed, M., Sarid, E., Silveira, D. M., Stracka, S., Stutter, G., So, C., Tharp, T. D., Thompson, J. E., Thompson, R. I., van der Werf, D. P. & Wurtele, J. S., 26 Jan 2017, In: Nature. 541, 7638, p. 506-510 5 p.

    Research output: Contribution to journal › Article › peer-review

    Open Access
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  • Observation of the hyperfine spectrum of antihydrogen

    Ahmadi, M., Alves, B. X. R., Baker, C. J., Bertsche, W., Butler, E., Capra, A., Carruth, C., Cesar, C. L., Charlton, M., Cohen, S., Collister, R., Eriksson, S., Evans, A., Evetts, N., Fajans, J., Friesen, T., Fujiwara, M. C., Gill, D. R., Gutierrez, A. & Hangst, J. S. & 34 others, Hardy, W. N., Hayden, M. E., Isaac, C. A., Ishida, A., Johnson, M. A., Jones, S. A., Jonsell, S., Kurchaninov, L., Madsen, N., Mathers, M., Maxwell, D., McKenna, J. T. K., Menary, S., Michan, J. M., Momose, T., Munich, J. J., Nolan, P., Olchanski, K., Olin, A., Pusa, P., Rasmussen, C., Robicheaux, F., Sacramento, R. L., Sameed, M., Sarid, E., Silveira, D. M., Stracka, S., Stutter, G., So, C., Tharp, T. D., Thompson, J. E., Thompson, R. I., Van Der Werf, D. P. & Wurtele, J. S., 2 Aug 2017, In: Nature. 548, 7665, p. 66-69 4 p.

    Research output: Contribution to journal › Article › peer-review

    Open Access
  • 2016

    An improved limit on the charge of antihydrogen from stochastic acceleration

    Ahmadi, M., Baquero-Ruiz, M., Bertsche, W., Butler, E., Capra, A., Carruth, C., Cesar, C. L., Charlton, M., Charman, A. E., Eriksson, S., Evans, L. T., Evetts, N., Fajans, J., Friesen, T., Fujiwara, M. C., Gill, D. R., Gutierrez, A., Hangst, J. S., Hardy, W. N. & Hayden, M. E. & 29 others, Isaac, C. A., Ishida, A., Jones, S. A., Jonsell, S., Kurchaninov, L., Madsen, N., Maxwell, D., McKenna, J. T. K., Menary, S., Michan, J. M., Momose, T., Munich, J. J., Nolan, P., Olchanski, K., Olin, A., Povilus, A., Pusa, P., Rasmussen, C., Robicheaux, F., Sacramento, R. L., Sameed, M., Sarid, E., Silveira, D. M., So, C., Tharp, T. D., Thompson, R. I., Van Der Werf, D. P., Wurtele, J. S. & Zhmoginov, A. I., 21 Jan 2016, In: Nature. 529, 7586, p. 373-376 4 p.

    Research output: Contribution to journal › Article › peer-review

  • 2015

    Physics with antihydrogen

    Bertsche, W. A., Butler, E., Charlton, M. & Madsen, N., 6 Oct 2015, In: Journal of Physics B: Atomic, Molecular and Optical Physics. 48, 23, 232001.

    Research output: Contribution to journal › Review article › peer-review

    Open Access
  • 2014

    An experimental limit on the charge of antihydrogen

    Amole, C., Ashkezari, M. D., Baquero-Ruiz, M., Bertsche, W., Butler, E., Capra, A., Cesar, C. L., Charlton, M., Eriksson, S., Fajans, J., Friesen, T., Fujiwara, M. C., Gill, D. R., Gutierrez, A., Hangst, J. S., Hardy, W. N., Hayden, M. E., Isaac, C. A., Jonsell, S. & Kurchaninov, L. & 22 others, Little, A., Madsen, N., McKenna, J. T. K., Menary, S., Napoli, S. C., Nolan, P., Olchanski, K., Olin, A., Povilus, A., Pusa, P., Rasmussen, C., Robicheaux, F., Sarid, E., Silveira, D. M., So, C., Tharp, T. D., Thompson, R. I., Van Der Werf, D. P., Vendeiro, Z., Wurtele, J. S., Zhmoginov, A. I. & Charman, A. E., 3 Jun 2014, In: Nature Communications. 5, 3955.

    Research output: Contribution to journal › Article › peer-review

  • An ultracold low emittance electron source

    Xia, G., Harvey, M., Murray, A., Bertsche, W., Appleby, R., Mete, O. & Chattopadhyay, S., 9 Jun 2014, In: Journal of Instrumentation. 9, P06011, p. 1-16 16 p., P06011.

    Research output: Contribution to journal › Article › peer-review

  • In situ electromagnetic field diagnostics with an electron plasma in a Penning-Malmberg trap

    Amole, C., Ashkezari, M. D., Baquero-Ruiz, M., Bertsche, W., Butler, E., Capra, A., Cesar, C. L., Charlton, M., Deller, A., Evetts, N., Eriksson, S., Fajans, J., Friesen, T., Fujiwara, M. C., Gill, D. R., Gutierrez, A., Hangst, J. S., Hardy, W. N., Hayden, M. E. & Isaac, C. A. & 20 others, Jonsell, S., Kurchaninov, L., Little, A., Madsen, N., McKenna, J. T. K., Menary, S., Napoli, S. C., Olchanski, K., Olin, A., Pusa, P., Rasmussen, C. {. A., Robicheaux, F., Sarid, E., Silveira, D. M., So, C., Stracka, S., Tharp, T., Thompson, R. I., van der Werf, D. P. & Wurtele, J. S., 2014, In: New Journal of Physics. 16, 1

    Research output: Contribution to journal › Article › peer-review

  • The \{ALPHA\} antihydrogen trapping apparatus

    Amole, C., Andresen, G. B., Ashkezari, M. D., Baquero-Ruiz, M., Bertsche, W., Bowe, P. D., Butler, E., Capra, A., Carpenter, P. T., Cesar, C. L., Chapman, S., Charlton, M., Deller, A., Eriksson, S., Escallier, J., Fajans, J., Friesen, T., Fujiwara, M. C., Gill, D. R. & Gutierrez, A. & 36 others, Hangst, J. S., Hardy, W. N., Hayano, R. S., Hayden, M. E., Humphries, A. J., Hurt, J. L., Hydomako, R., Isaac, C. A., Jenkins, M. J., Jonsell, S., z}rgensen, L. J. A., Kerrigan, S. J., Kurchaninov, L., Madsen, N., Marone, A., McKenna, J., Menary, S., Nolan, P., Olchanski, K., Olin, A., Parker, B., Povilus, A., Pusa, P., Robicheaux, F., Sarid, E., Seddon, D., Nasr, S. S. E., Silveira, D. M., So, C., Storey, J. W., Thompson, R. I., Thornhill, J., Wells, D., van der Werf, D. P., Wurtele, J. S. & Yamazaki, Y., 2014, In: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 735, 0, p. 319-340 22 p.

    Research output: Contribution to journal › Article › peer-review

  • The ALPHA antihydrogen trapping apparatus

    Amole, C., Andresen, G. B., Ashkezari, M. D., Baquero-Ruiz, M., Bertsche, W., Bowe, P. D., Butler, E., Capra, A., Carpenter, P. T., Cesar, C. L., Chapman, S., Charlton, M., Deller, A., Eriksson, S., Escallier, J., Fajans, J., Friesen, T., Fujiwara, M. C., Gill, D. R. & Gutierrez, A. & 36 others, Hangst, J. S., Hardy, W. N., Hayano, R. S., Hayden, M. E., Humphries, A. J., Hurt, J. L., Hydomako, R., Isaac, C. A., Jenkins, M. J., Jonsell, S., Jørgensen, L. V., Kerrigan, S. J., Kurchaninov, L., Madsen, N., Marone, A., McKenna, J. T. K., Menary, S., Nolan, P., Olchanski, K., Olin, A., Parker, B., Povilus, A., Pusa, P., Robicheaux, F., Sarid, E., Seddon, D., Nasr, S. S. E., Silveira, D. M., So, C., Storey, J. W., Thompson, R. I., Thornhill, J., Wells, D., Werf, D. P. V. D., Wurtele, J. S. & Yamazaki, Y., 2014, In: Nuclear Instruments & Methods in Physics Research. Section A: Accelerators, Spectrometers, Detectors, and Associated Equipment. 735, p. 319–340

    Research output: Contribution to journal › Article › peer-review

  • 2013

    Autoresonant-spectrometric determination of the residual gas composition in the ALPHA experiment apparatus

    Amole, C., Ashkezari, M. D., Baquero-Ruiz, M., Bertsche, W., Butler, E., Capra, A., Cesar, C. L., Chapman, S., Charlton, M., Eriksson, S., Fajans, J., Friesen, T., Fujiwara, M. C., Gill, D. R., Gutierrez, A., Hangst, J. S., Hardy, W. N., Hayden, M. E., Isaac, C. A. & Jonsell, S. & 23 others, Kurchaninov, L., Little, A., Madsen, N., McKenna, J. T. K., Menary, S., Napoli, S. C., Nolan, P., Olchanski, K., Olin, A., Povilus, A., Pusa, P., Rasmussen, C. {. A., Robicheaux, F., Sarid, E., Silveira, D. M., Stracka, S., So, C., Thompson, R. I., Turner, M., van der Werf, D. P., Wurtele, J. S., Zhmoginov, A. & Collaboration, A., 2013, In: Review of Scientific Instruments. 84, 6

    Research output: Contribution to journal › Article › peer-review

  • Experimental and computational study of the injection of antiprotons into a positron plasma for antihydrogen production

    Amole, C., Ashkezari, M. D., Baquero-Ruiz, M., Bertsche, W., Butler, E., Capra, A., Cesar, C. L., Charlton, M., Deller, A., Eriksson, S., Fajans, J., Friesen, T., Fujiwara, M. C., Gill, D. R., Gutierrez, A., Hangst, J. S., Hardy, W. N., Hayden, M. E., Isaac, C. A. & Jonsell, S. & 22 others, Kurchaninov, L., Little, A., Madsen, N., McKenna, J. T. K., Menary, S., Napoli, S. C., Olchanski, K., Olin, A., Pusa, P., Rasmussen, C. {. A., Robicheaux, F., Sarid, E., Shields, C. R., Silveira, D. M., So, C., Stracka, S., Thompson, R. I., van der Werf, D. P., Wurtele, J. S., Zhmoginov, A., collaboration), & Friedland, L., 2013, In: Physics of Plasmas (1994-present). 20, 4

    Research output: Contribution to journal › Article › peer-review

  • 2012

    Antiparticle plasmas for antihydrogen trapping

    Charlton, M., Andresen, G. B., Ashkezari, M. D., Baquero-Ruiz, M., Bertsche, W., Bowe, P. D., Butler, E., Carpenter, P. T., Cesar, C. L., Chapman, S., Eriksson, S., Fajans, J., Friesen, T., Fujiwara, M. C., Gill, D. R., Gutierrez, A., Hangst, J. S., Hardy, W. N., Hayano, R. S. & Hayden, M. E. & 21 others, Humphries, A. J., Hurt, J. L., Hydomako, R., Jonsell, S., Kurchaninov, L., Madsen, N., Menary, S., Nolan, P., Olchanski, K., Olin, A., Povilus, A., Pusa, P., Robicheaux, F., Sarid, E., Silveira, D. M., So, C., Storey, J. W., Thompson, R. I., Van Der Werf, D. P., Wurtele, J. S. & Yamazaki, Y., 2012, AIP Conference Proceedings|AIP Conf. Proc.. American Institute of Physics, Vol. 1438. p. 7-16 9 p. ({AIP Conference Proceedings}).

    Research output: Chapter in Book/Conference proceeding › Conference contribution › peer-review

  • Resonant quantum transitions in trapped antihydrogen atoms

    Amole, C., Ashkezari, M. D., Baquero-Ruiz, M., Bertsche, W., Bowe, P. D., Butler, E., Capra, A., Cesar, C. L., Charlton, M., Deller, A., Donnan, P. H., Eriksson, S., Fajans, J., Friesen, T., Fujiwara, M. C., Gill, D. R., Gutierrez, A., Hangst, J. S., Hardy, W. N. & Hayden, M. E. & 23 others, Humphries, A. J., Isaac, C. A., Jonsell, S., Kurchaninov, L., Little, A., Madsen, N., McKenna, J. T. K., Menary, S., Napoli, S. C., Nolan, P., Olchanski, K., Olin, A., Pusa, P., Rasmussen, C. O., Robicheaux, F., Sarid, E., Shields, C. R., Silveira, D. M., Stracka, S., So, C., Thompson, R. I., Van Der Werf, D. P. & Wurtele, J. S., 22 Mar 2012, In: Nature. 483, 7390, p. 439-443 4 p.

    Research output: Contribution to journal › Article › peer-review

  • 2011

    Antiparticle sources for antihydrogen production and trapping

    Charlton, M., Andresen, G. B., Ashkezari, M. D., Baquero-Ruiz, M., Bertsche, W., Bowe, P. D., Bray, C. C., Butler, E., Cesar, C. L., Chapman, S., Fajans, J., Friesen, T., Fujiwara, M. C., Gill, D. R., Hangst, J. S., Hardy, W. N., Hayano, R. S., Hayden, M. E., Humphries, A. J. & Hydomako, R. & 22 others, Jonsell, S., Jørgensen, L. V., Kerrigan, S. J., Kurchaninov, L., Lambo, R., Madsen, N., Menary, S., Nolan, P., Olchanski, K., Povilus, A., Pusa, P., Robicheaux, F., Sarid, E., Seif El Nasr, S., Silveira, D. M., So, C., Storey, J. W., Thompson, R. I., Van Der Werf, D. P., Wilding, D., Wurtele, J. S. & Yamazaki, Y., 2011, In: Journal of Physics: Conference Series. 262, 1, 012001.

    Research output: Contribution to journal › Article › peer-review

  • Autoresonant excitation of antiproton plasmas

    Andresen, G. B., Ashkezari, M. D., Baquero-Ruiz, M., Bertsche, W., Bowe, P. D., Butler, E., Carpenter, P. T., Cesar, C. L., Chapman, S., Charlton, M., Fajans, J., Friesen, T., Fujiwara, M. C., Gill, D. R., Hangst, J. S., Hardy, W. N., Hayden, M. E., Humphries, A. J., Hurt, J. L. & Hydomako, R. & 17 others, Jonsell, S., Madsen, N., Menary, S., Nolan, P., Olchanski, K., Olin, A., Povilus, A., Pusa, P., Robicheaux, F., Sarid, E., Silveira, D. M., So, C., Storey, J. W., Thompson, R. I., Van Der Werf, D. P., Wurtele, J. S. & Yamazaki, Y., 14 Jan 2011, In: Physical Review Letters. 106, 2, 025002.

    Research output: Contribution to journal › Article › peer-review

  • Centrifugal separation and equilibration dynamics in an electron-antiproton plasma

    Andresen, G. B., Ashkezari, M. D., Baquero-Ruiz, M., Bertsche, W., Bowe, P. D., Butler, E., Cesar, C. L., Chapman, S., Charlton, M., Deller, A., Eriksson, S., Fajans, J., Friesen, T., Fujiwara, M. C., Gill, D. R., Gutierrez, A., Hangst, J. S., Hardy, W. N., Hayden, M. E. & Humphries, A. J. & 17 others, Hydomako, R., Jonsell, S., Madsen, N., Menary, S., Nolan, P., Olin, A., Povilus, A., Pusa, P., Robicheaux, F., Sarid, E., Silveira, D. M., So, C., Storey, J. W., Thompson, R. I., Van Der Werf, D. P., Wurtele, J. S. & Yamazaki, Y., 4 Apr 2011, In: Physical Review Letters. 106, 14, 145001.

    Research output: Contribution to journal › Article › peer-review

  • Confinement of antihydrogen for 1,000 seconds

    Andresen, G. B., Ashkezari, M. D., Baquero-Ruiz, M., Bertsche, W., Bowe, P. D., Butler, E., Cesar, C. L., Charlton, M., Deller, A., Eriksson, S., Fajans, J., Friesen, T., Fujiwara, M. C., Gill, D. R., Gutierrez, A., Hangst, J. S., Hardy, W. N., Hayano, R. S., Hayden, M. E. & Humphries, A. J. & 20 others, Hydomako, R., Jonsell, S., Kemp, S. L., Kurchaninov, L., Madsen, N., Menary, S., Nolan, P., Olchanski, K., Olin, A., Pusa, P., Rasmussen, C. O., Robicheaux, F., Sarid, E., Silveira, D. M., So, C., Storey, J. W., Thompson, R. I., Van Der Werf, D. P., Wurtele, J. S. & Yamazaki, Y., Jul 2011, In: Nature Physics. 7, 7, p. 558-564 6 p.

    Research output: Contribution to journal › Article › peer-review

  • Search for trapped antihydrogen

    Andresen, G. B., Ashkezari, M. D., Baquero-Ruiz, M., Bertsche, W., Bowe, P. D., Bray, C. C., Butler, E., Cesar, C. L., Chapman, S., Charlton, M., Fajans, J., Friesen, T., Fujiwara, M. C., Gill, D. R., Hangst, J. S., Hardy, W. N., Hayano, R. S., Hayden, M. E., Humphries, A. J. & Hydomako, R. & 22 others, Jonsell, S., Jørgensen, L. V., Kurchaninov, L., Lambo, R., Madsen, N., Menary, S., Nolan, P., Olchanski, K., Olin, A., Povilus, A., Pusa, P., Robicheaux, F., Sarid, E., Seif El Nasr, S., Silveira, D. M., So, C., Storey, J. W., Thompson, R. I., van der Werf, D. P., Wilding, D., Wurtele, J. S. & Yamazaki, Y., 10 Jan 2011, In: Physics Letters. Section B: Nuclear, Elementary Particle and High-Energy Physics. 695, 1-4, p. 95-104 9 p.

    Research output: Contribution to journal › Article › peer-review

  • Search for trapped antihydrogen in ALPHA

    Madsen, N., Andresen, G. B., Ashkezari, M. D., Baquero-Ruiz, M., Bertsche, W., Bowe, P. D., Bray, C., Butler, E., Cesar, C. L., Chapman, S., Charlton, M., Fajans, J., Friesen, T., Fujiwara, M. C., Gill, D. R., Hangst, J. S., Hardy, W. N., Hayden, M. E., Humphries, A. J. & Hydomako, R. & 20 others, Jonsell, S., Jørgensen, L. V., Kurchaninov, L., Lambo, R., Menary, S., Nolan, P., Olchanski, K., Olin, A., Povilus, A., Pusa, P., Robicheaux, F., Sarid, E., El Nasr, S., Silveira, D. M., So, C., Storey, J. W., Thompson, R. I., Van Der Werf, D. P., Wurtele, J. S. & Yamazaki, Y., Jan 2011, In: Canadian Journal of Physics. 89, 1, p. 7-16 9 p.

    Research output: Contribution to journal › Article › peer-review

  • 2010

    Antihydrogen formation dynamics in a multipolar neutral anti-atom trap

    Andresen, G. B., Bertsche, W., Bowe, P. D., Bray, C., Butler, E., Cesar, C. L., Chapman, S., Charlton, M., Fajans, J., Fujiwara, M. C., Gill, D. R., Hangst, J. S., Hardy, W. N., Hayano, R. S., Hayden, M. E., Humphries, A. J., Hydomako, R., Jørgensen, L. V., Kerrigan, S. J. & Kurchaninov, L. & 16 others, Lambo, R., Madsen, N., Nolan, P., Olchanski, K., Olin, A., Povilus, A., Pusa, P., Robicheaux, F., Sarid, E., El Nasr, S. S., Silveira, D. M., Storey, J. W., Thompson, R. I., van der Werf, D. P., Wurtele, J. S. & Yamazaki, Y., 1 Mar 2010, In: Physics Letters. Section B: Nuclear, Elementary Particle and High-Energy Physics. 685, 2-3, p. 141-145 4 p.

    Research output: Contribution to journal › Article › peer-review

  • Antimatter transport processes

    Van Der Werf, D. P., Andresen, G. B., Ashkezari, M. D., Baquero-Ruiz, M., Bertsche, W., Bowe, P. D., Bray, C. C., Butler, E., Cesar, C. L., Chapman, S., Charlton, M., Fajans, J., Friesen, T., Fujiwara, M. C., Gill, D. R., Hangst, J. S., Hardy, W. N., Hayano, R. S., Hayden, M. E. & Humphries, A. J. & 20 others, Hydomako, R., Jonsell, S., Jørgensen, L. V., Kurchaninov, L., Lambo, R., Madsen, N., Menary, S., Nolan, P., Olchanski, K., Olin, A., Povilus, A., Pusa, P., Robicheaux, F., Sarid, E., Silveira, D. M., So, C., Storey, J. W., Thompson, R. I., Wurtele, J. S. & Yamazaki, Y., 2010, In: Journal of Physics: Conference Series. 257, 1, 012004.

    Research output: Contribution to journal › Article › peer-review

  • Evaporative cooling of antiprotons to cryogenic temperatures

    Andresen, G. B., Ashkezari, M. D., Baquero-Ruiz, M., Bertsche, W., Bowe, P. D., Butler, E., Cesar, C. L., Chapman, S., Charlton, M., Fajans, J., Friesen, T., Fujiwara, M. C., Gill, D. R., Hangst, J. S., Hardy, W. N., Hayano, R. S., Hayden, M. E., Humphries, A., Hydomako, R. & Jonsell, S. & 19 others, Kurchaninov, L., Lambo, R., Madsen, N., Menary, S., Nolan, P., Olchanski, K., Olin, A., Povilus, A., Pusa, P., Robicheaux, F., Sarid, E., Silveira, D. M., So, C., Storey, J. W., Thompson, R. I., Van Der Werf, D. P., Wilding, D., Wurtele, J. S. & Yamazaki, Y., 2 Jul 2010, In: Physical Review Letters. 105, 1, 013003.

    Research output: Contribution to journal › Article › peer-review

  • Trapped antihydrogen

    Andresen, G. B., Ashkezari, M. D., Baquero-Ruiz, M., Bertsche, W., Bowe, P. D., Butler, E., Cesar, C. L., Chapman, S., Charlton, M., Deller, A., Eriksson, S., Fajans, J., Friesen, T., Fujiwara, M. C., Gill, D. R., Gutierrez, A., Hangst, J. S., Hardy, W. N., Hayden, M. E. & Humphries, A. J. & 22 others, Hydomako, R., Jenkins, M. J., Jonsell, S., Jørgensen, L. V., Kurchaninov, L., Madsen, N., Menary, S., Nolan, P., Olchanski, K., Olin, A., Povilus, A., Pusa, P., Robicheaux, F., Sarid, E., Nasr, S. S. E., Silveira, D. M., So, C., Storey, J. W., Thompson, R. I., Van Der Werf, D. P., Wurtele, J. S. & Yamazaki, Y., 2 Dec 2010, In: Nature. 468, 7324, p. 673-676 3 p.

    Research output: Contribution to journal › Article › peer-review

  • 2009

    Antihydrogen Physics at ALPHA/CERN

    Cesar, C. L., Andresen, G. B., Bertsche, W., Bowe, P. D., Bray, C. C., Butler, E., Chapman, S., Charlton, M., Fajans, J., Fujiwara, M. C., Funakoshi, R., Gill, D. R., Hangst, J. S., Hardy, W. N., Hayano, R. S., Hayden, M. E., Humphries, A. J., Hydomako, R., Jenkins, M. J. & Jørgensen, L. V. & 18 others, Kurchaninov, L., Lambo, R., Madsen, N., Nolan, P., Olchanski, K., Olin, A., Page, R. D., Povilus, A., Pusa, P., Robicheaux, F., Sarid, E., El Nasr, S. S., Silveira, D. M., Storey, J. W., Thompson, R. I., Van Der Werf, D. P., Wurtele, J. S. & Yamazaki, Y., 2009, In: Canadian Journal of Physics. 87, 7, p. 791-797 6 p.

    Research output: Contribution to journal › Article › peer-review

  • Antiproton, positron, and electron imaging with a microchannel plate/phosphor detector ALPHA Collaboration

    Andresen, G. B., Bertsche, W., Bowe, P. D., Bray, C. C., Butler, E., Cesar, C. L., Chapman, S., Charlton, M., Fajans, J., Fujiwara, M. C., Gill, D. R., Hangst, J. S., Hardy, W. N., Hayano, R. S., Hayden, M. E., Humphries, A. J., Hydomako, R., Jørgensen, L. V., Kerrigan, S. J. & Kurchaninov, L. & 14 others, Lambo, R., Madsen, N., Nolan, P., Olchanski, K., Olin, A., Povilus, A. P., Pusa, P., Sarid, E., El Nasr, S. S., Silveira, D. M., Storey, J. W., Thompson, R. I., Van Der Werf, D. P. & Yamazaki, Y., 2009, In: Review of Scientific Instruments. 80, 12, 123701.

    Research output: Contribution to journal › Article › peer-review

  • Magnetic multipole induced zero-rotation frequency bounce-resonant loss in a Penning-Malmberg trap used for antihydrogen trapping

    Andresen, G. B., Bertsche, W., Bray, C. C., Butler, E., Cesar, C. L., Chapman, S., Charlton, M., Fajans, J., Fujiwara, M. C., Gill, D. R., Hardy, W. N., Hayano, R. S., Hayden, M. E., Humphries, A. J., Hydomako, R., Jørgensen, L. V., Kerrigan, S. J., Keller, J., Kurchaninov, L. & Lambo, R. & 15 others, Madsen, N., Nolan, P., Olchanski, K., Olin, A., Povilus, A., Pusa, P., Robicheaux, F., Sarid, E., El Nasr, S. S., Silveira, D. M., Storey, J. W., Thompson, R. I., Van Der Werf, D. P., Wurtele, J. S. & Yamazaki, Y., 2009, In: Physics of Plasmas. 16, 10, 100702.

    Research output: Contribution to journal › Article › peer-review

  • 2008

    A novel antiproton radial diagnostic based on octupole induced ballistic loss

    Andresen, G. B., Bertsche, W., Bowe, P. D., Bray, C. C., Butler, E., Cesar, C. L., Chapman, S., Charlton, M., Fajans, J., Fujiwara, M. C., Funakoshi, R., Gill, D. R., Hangst, J. S., Hardy, W. N., Hayano, R. S., Hayden, M. E., Humphries, A. J., Hydomako, R., Jenkins, M. J. & Jørgensen, L. V. & 18 others, Kurchaninov, L., Lambo, R., Madsen, N., Nolan, P., Olchanski, K., Olin, A., Page, R. D., Povilus, A., Pusa, P., Robicheaux, F., Sarid, E., El Nasr, S. S., Silveira, D. M., Storey, J. W., Thompson, R. I., Van Der Werf, D. P., Wurtele, J. S. & Yamazaki, Y., 2008, In: Physics of Plasmas. 15, 3, 032107.

    Research output: Contribution to journal › Article › peer-review

  • Antiproton compression and radial measurements

    Andresen, G. B., Bertsche, W., Bowe, P. D., Bray, C. C., Butler, E., Cesar, C. L., Chapman, S., Charlton, M., Fajans, J., Fujiwara, M. C., Funakoshi, R., Gill, D. R., Hangst, J. S., Hardy, W. N., Hayano, R. S., Hayden, M. E., Humphries, A. J., Hydomako, R., Jenkins, M. J. & Jørgensen, L. V. & 18 others, Kurchaninov, L., Lambo, R., Madsen, N., Nolan, P., Olchanski, K., Olin, A., Page, R. D., Povilus, A., Pusa, P., Robicheaux, F., Sarid, E., Nasr, S. S. E., Silveira, D. M., Storey, J. W., Thompson, R. I., Van der Werf, D. P., Wurtele, J. S. & Yamazaki, Y., 2008, AIP Conference Proceedings|AIP Conf. Proc.. Vol. 1037. p. 96-105 9 p.

    Research output: Chapter in Book/Conference proceeding › Chapter

  • Compression of antiproton clouds for antihydrogen trapping

    Andresen, G. B., Bertsche, W., Bowe, P. D., Bray, C. C., Butler, E., Cesar, C. L., Chapman, S., Charlton, M., Fajans, J., Fujiwara, M. C., Funakoshi, R., Gill, D. R., Hangst, J. S., Hardy, W. N., Hayano, R. S., Hayden, M. E., Hydomako, R., Jenkins, M. J., Jørgensen, L. V. & Kurchaninov, L. & 16 others, Lambo, R., Madsen, N., Nolan, P., Olchanski, K., Olin, A., Povilus, A., Pusa, P., Robicheaux, F., Sarid, E., Seif El Nasr, S., Silveira, D. M., Storey, J. W., Thompson, R. I., Van Der Werf, D. P., Wurtele, J. S. & Yamazaki, Y., 19 May 2008, In: Physical Review Letters. 100, 20, 203401.

    Research output: Contribution to journal › Article › peer-review

  • First attempts at antihydrogen trapping in ALPHA

    Andresen, G. B., Bertsche, W., Bowe, P. D., Bray, C. C., Butler, E., Cesar, C. L., Chapman, S., Charlton, M., Fajans, J., Fujiwara, M. C., Funakoshi, R., Gill, D. R., Hangst, J. S., Hardy, W. N., Hayano, R. S., Hayden, M. E., Humphries, A. J., Hydomako, R., Jenkins, M. J. & Jørgensen, L. V. & 18 others, Kurchaninov, L., Lambo, R., Madsen, N., Nolan, P., Olchanski, K., Olin, A., Page, R. D., Povilus, A., Pusa, P., Robicheaux, F., Sarid, E., El Nasr, S. S., Silveira, D. M., Storey, J. W., Thompson, R. I., van derWerf, D. P., Wurtele, J. S. & Yamazaki, Y., 2008, AIP Conference Proceedings|AIP Conf. Proc.. Vol. 1037. p. 241-248 7 p.

    Research output: Chapter in Book/Conference proceeding › Chapter

  • Particle physics aspects of antihydrogen studies with ALPHA at CERN

    Fujiwara, M. C., Andresen, G. B., Bertsche, W., Bowe, P. D., Bray, C. C., Butler, E., Cesar, C. L., Chapman, S., Charlton, M., Fajans, J., Funakoshi, R., Gill, D. R., Hangst, J. S., Hardy, W. N., Hayano, R. S., Hayden, M. E., Humphries, A. J., Hydomako, R., Jenkins, M. J. & Jørgensen, L. V. & 19 others, Kurchaninov, L., Lai, W., Lambo, R., Madsen, N., Nolan, P., Olchanski, K., Olin, A., Povilus, A., Pusa, P., Robicheaux, F., Sarid, E., El Nasr, S. S., Silveira, D. M., Storey, J. W., Thompson, R. I., van der Werf, D. P., Wasilenko, L., Wurtele, J. S. & Yamazaki, Y., 2008, AIP Conference Proceedings|AIP Conf. Proc.. Vol. 1037. p. 208-220 12 p.

    Research output: Chapter in Book/Conference proceeding › Chapter