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Professor Helen O'Keeffe FHEA

Professor of Particle Physics

  1. Journal article
  2. Published

    Constraint on the matter–antimatter symmetry-violating phase in neutrino oscillations

    T2K Collaboration, Brailsford, D., Dealtry, T., Finch, A. J., Knox, A., Kormos, L. L., Lawe, M., Nowak, J., O'Keeffe, H. M., Ratoff, P. N. & Walsh, J. G., 15/04/2020, In: Nature. 580, p. 339-344 6 p.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  3. Published

    Measurement of the muon neutrino charged-current single $π^+$ production on hydrocarbon using the T2K off-axis near detector ND280

    T2K Collaboration, Brailsford, D., Dealtry, T., Finch, A. J., Knox, A., Kormos, L. L., Lamont, I., Lawe, M., Nowak, J., O'Keeffe, H. M., Shaw, D., Walsh, J. G. & Ratoff, P., 21/01/2020, In: Physical Review D. 101, 1, 19 p., 012007.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  4. Published

    Measurement of neutrino and antineutrino neutral-current quasielasticlike interactions on oxygen by detecting nuclear deexcitation gamma rays

    T2K Collaboration, Brailsford, D., Dealtry, T., Finch, A. J., Knox, A., Kormos, L. L., Lawe, M., Nowak, J., O'Keeffe, H. M., Ratoff, P. N. & Walsh, J. G., 30/12/2019, In: Physical Review D. 100, 12, 19 p., 112009.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  5. Published

    Recent T2K neutrino oscillation results

    O’Keeffe, H. M. & T2K Collaboration, 17/12/2019, In: Proceedings of Science. 367, 5 p.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  6. Published

    Cosmogenic neutron production at the Sudbury Neutrino Observatory

    SNO Collaboration, Kormos, L. L. & O'Keeffe, H. M., 12/12/2019, In: Physical Review D. 100, 11, 15 p., 112005.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  7. Published

    Measurement of the $ν_μ$ charged-current cross sections on water, hydrocarbon, iron, and their ratios with the T2K on-axis detectors

    T2K Collaboration, Brailsford, D., Dealtry, T., Finch, A. J., Knox, A., Kormos, L. L., Lawe, M., Nowak, J., O'Keeffe, H. M., Ratoff, P. N. & Shaw, D., 26/09/2019, In: Progress of Theoretical and Experimental Physics. 2019, 9, 30 p.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  8. Published

    Search for heavy neutrinos with the T2K near detector ND280

    T2K Collaboration, Brailsford, D., Dealtry, T., Finch, A. J., Knox, A., Kormos, L. L., Lawe, M., Nowak, J., O'Keeffe, H. M., Ratoff, P. N. & Shaw, D., 10/09/2019, In: Physical Review D. 100, 5, 10 p., 052006.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  9. Published

    J-PARC Neutrino Beamline Upgrade Technical Design Report

    T2K Collaboration, Brailsford, D., Dealtry, T., Finch, A. J., Knox, A., Kormos, L. L., Lamont, I., Lawe, M., Nowak, J., O'Keeffe, H. M., Ratoff, P. N. & Southwell, L., 14/08/2019, In: arxiv.org.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  10. Published

    Search for neutral-current induced single photon production at the ND280 near detector in T2K

    T2K Collaboration, Brailsford, D., Dealtry, T., Finch, A. J., Knox, A., Kormos, L. L., Lawe, M., Nowak, J., O'Keeffe, H. M., Ratoff, P. N. & Shaw, D., 1/08/2019, In: Journal of Physics G: Nuclear and Particle Physics. 46, 8, 16 p., 08LT01.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  11. Published

    Measurement of neutron production in atmospheric neutrino interactions at the Sudbury Neutrino Observatory

    SNO Collaboration, 18/06/2019, In: Physical Review D. 99, 11, 19 p., 112007.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  12. Published

    Search for light sterile neutrinos with the T2K far detector Super-Kamiokande at a baseline of 295 km

    T2K Collaboration, Brailsford, D., Dealtry, T., Finch, A. J., Knox, A., Kormos, L. L., Lawe, M., Nowak, J., O'Keeffe, H. M., Ratoff, P. N. & Shaw, D., 1/04/2019, In: Physical Review D. 99, 7, 10 p., 071103.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  13. Published

    Constraints on neutrino lifetime from the Sudbury Neutrino Observatory

    SNO Collaboration, 25/02/2019, In: Physical Review D. 99, 3, 10 p., 032013.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  14. Published

    Search for invisible modes of nucleon decay in water with the SNO+ detector

    SNO+ Collaboration, 1/02/2019, In: Physical Review D. 99, 3, 13 p., 032008.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  15. Published

    Measurement of the B-8 solar neutrino flux in SNO plus with very low backgrounds

    SNO Collaboration, 28/01/2019, In: Physical Review D. 99, 1, 7 p., 012012.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  16. Published

    T2K ND280 Upgrade - Technical Design Report

    T2K Collaboration, Brailsford, D., Dealtry, T., Finch, A. J., Knox, A., Kormos, L. L., Lamont, I., Lawe, M., Nowak, J., O'Keeffe, H. M., Ratoff, P. N., Shaw, D. & Southwell, L., 11/01/2019, In: arXiv.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  17. Published

    Tests of Lorentz invariance at the Sudbury Neutrino Observatory

    SNO Collaboration, 27/12/2018, In: Physical Review D. 98, 11, 18 p., 112013.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  18. Published

    Search for CP violation in Neutrino and Antineutrino Oscillations by the T2K experiment with $2.2\times10^{21}$ protons on target

    Brailsford, D., Dealtry, T., Finch, A. J., Knox, A., Kormos, L. L., Lawe, M., Nowak, J., O'Keeffe, H. M., Ratoff, P. N. & T2K Collaboration, 24/10/2018, In: Physical review letters. 121, 17, 9 p., 171802.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  19. Published

    Measurement of inclusive double-differential νμ charged-current cross section with improved acceptance in the T2K off-axis near detector

    Brailsford, D., Dealtry, T., Finch, A. J., Knox, A., Kormos, L. L., Lamont, I., Lawe, M., Nowak, J., O'Keeffe, H. M., Ratoff, P. N., Shaw, D. & T2K Collaboration, 31/08/2018, In: Physical Review D. 98, 1, 012004.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  20. Published
  21. Published

    The DUNE Far Detector Interim Design Report Volume 1: Physics, Technology and Strategies

    Blake, A., Brailsford, D., Finch, A., Kormos, L., Nowak, J., O'Keeffe, H., Ratoff, P. & DUNE Collaboration, 26/07/2018, In: arxiv.org.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  22. Published

    The DUNE Far Detector Interim Design Report, Volume 2: Single-Phase Module

    Blake, A., Brailsford, D., Finch, A., Kormos, L., Nowak, J., O'Keeffe, H., Ratoff, P. & DUNE Collaboration, 26/07/2018, In: arxiv.org.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  23. Published

    The DUNE Far Detector Interim Design Report, Volume 3: Dual-Phase Module

    Blake, A., Brailsford, D., Finch, A., Nowak, J., O'Keeffe, H., Ratoff, P. & DUNE Collaboration, 26/07/2018, In: arxiv.org.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  24. Published

    Physics potentials with the second Hyper-Kamiokande Detector in Korea

    Dealtry, T., Finch, A., Grant, N., Kormos, L. L., Lawe, M., Nowak, J., O'Keeffe, H. M., Ratoff, P. N. & Hyper-Kamiokande Proto-Collaboration, 1/06/2018, In: Progress of Theoretical and Experimental Physics. 2018, 6, 65 p., 063C01.

    Research output: Contribution to Journal/MagazineJournal article

  25. Published

    Hyper-Kamiokande Design Report

    Proto-Collaboration, H-K., Abe, K., Abe, K., Aihara, H., Aimi, A., Akutsu, R., Andreopoulos, C., Anghel, I., Antonova, M., Ashida, Y., Aushev, V., Barbi, M., Barker, G. J., Barr, G., Beltrame, P., Berardi, V., Bergevin, M., Berkman, S., Berns, L., Berry, T., & 30 othersBhadra, S., Bravo-Berguño, D., Blaszczyk, F. D. M., Blondel, A., Bolognesi, S., Bravar, A., Bronner, C., Avanzini, M. B., Cafagna, F. S., Calland, R., Cao, S., Catanesi, M. G., Checchia, C., Chen-Wishart, Z., Choi, K., Coleman, J., Collazuol, G., Cowan, G., Cremonesi, L., Dealtry, T., Rosa, G. D., Densham, C., Dewhurst, D., Drakopoulou, E. L., Finch, A., Kormos, L. L., Lawe, M., Nowak, J., O'Keeffe, H. M. & Ratoff, P. N., 9/05/2018, In: arxiv.org. 325 p.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  26. Published

    Measurement of the single pi(0) production rate in neutral current neutrino interactions on water

    Brailsford, D., Dealtry, T., Finch, A. J., Grant, N., Knox, A., Kormos, L. L., Lamont, I., Lawe, M., Nowak, J., O'Keeffe, H. M., Ratoff, P. N., Shaw, D., Southwell, L. & T2K Collaboration, 2/02/2018, In: Physical Review D. 97, 3, 13 p., 032002.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

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