Search Results - "R. B. Appleby"

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    The practical Pomeron for high energy proton collimation by Appleby, R. B., Barlow, R. J., Molson, J. G., Serluca, M., Toader, A.

    “…We present a model which describes proton scattering data from ISR to Tevatron energies, and which can be applied to collimation in high energy accelerators,…”
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    Nonlinear dynamics of proton beams with hollow electron lens in the CERN high-luminosity LHC by Mirarchi, D., Appleby, R. B., Bruce, R., Giovannozzi, M., Mereghetti, A., Redaelli, S., Stancari, G.

    Published in European physical journal plus (01-01-2022)
    “…The design stored beam energy in the CERN high-luminosity large hadron collider (HL-LHC) upgrade is about 700 MJ, with about 36 MJ in the beam tails, according…”
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    Innovative method to measure the extent of the stable phase-space region of proton synchrotrons by Maclean, E. H., Giovannozzi, M., Appleby, R. B.

    Published in Physical review. Accelerators and beams (01-03-2019)
    “…The advent of circular accelerators based on superconducting magnets has revolutionized the field of beam dynamics, with particle motion turning from linear to…”
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    Normal-conducting scaling fixed field alternating gradient accelerator for proton therapy by Garland, J. M., Appleby, R. B., Owen, H., Tygier, S.

    “…In this paper we present a new lattice design for a 30–350 MeV scaling fixed-field alternating gradient accelerator for proton therapy and tomography—NORMA…”
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    Probing LHC halo dynamics using collimator loss rates at 6.5 TeV by Gorzawski, A., Appleby, R. B., Giovannozzi, M., Mereghetti, A., Mirarchi, D., Redaelli, S., Salvachua, B., Stancari, G., Valentino, G., Wagner, J. F.

    Published in Physical review. Accelerators and beams (01-04-2020)
    “…Halo diffusion measurements at the CERN Large Hadron Collider (LHC) were conducted with beams for physics at 6.5 TeV by means of collimator scans, carried out…”
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    Accurate crab cavity modeling for the high luminosity Large Hadron Collider by Brett, D. R., Appleby, R. B., De Maria, R., Garcia, J. Barranco, Garcia, R. Tomás, Hall, B., Burt, G.

    “…As part of the Large Hadron Collider high luminosity upgrade it is proposed to include crab cavities in the lattice in order to enhance the luminosity. For one…”
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    Performance of the Large Hadron Collider cleaning system during the squeeze: Simulations and measurements by Tygier, S., Appleby, R. B., Bruce, R., Mirarchi, D., Redaelli, S., Valloni, A.

    Published in Physical review. Accelerators and beams (01-02-2019)
    “…The Large Hadron Collider (LHC) at CERN is a 7 TeV proton synchrotron, with a design stored energy of 362 MJ per beam. The high-luminosity (HL-LHC) upgrade…”
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    Long term dynamics of the high luminosity Large Hadron Collider with crab cavities by Barranco García, J., De Maria, R., Grudiev, A., Tomás García, R., Appleby, R. B., Brett, D. R.

    Published in Physical review. Accelerators and beams (01-10-2016)
    “…The High Luminosity upgrade of the Large Hadron Collider (HL-LHC) aims to achieve an integrated luminosity of 200–300fb−1 per year, including the contribution…”
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    Prediction of beam losses during crab cavity quenches at the high luminosity LHC by Apsimon, R., Burt, G., Dexter, A., Shipman, N., Castilla, A., Macpherson, A., Sjobak, K. Ness, Garcia, A. Santamaria, Stapley, N., Alekou, A., Appleby, R. B.

    Published in Physical review. Accelerators and beams (01-06-2019)
    “…Studies of the crab cavities at KEKB revealed that the rf phase could shift by up to 50° within∼50μs during a quench; while the cavity voltage is still at…”
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    Design and testing of a four rod crab cavity for High Luminosity LHC by Hall, B., Burt, G., Apsimon, R., Lingwood, C. J., Tutte, A., Grudiev, A., Macpherson, A., Navarro-Tapia, M., Calaga, R., Hernández-Chahín, K. G., Appleby, R. B., Goudket, P.

    “…A 4-rod deflecting structure is proposed as a possible crab cavity design for the LHC high luminosity upgrade. Crab cavities are required for the LHC…”
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    Medical therapy and imaging fixed-field alternating-gradient accelerator with realistic magnets by Tygier, S., Marinov, K. B., Appleby, R. B., Clarke, J. A., Garland, J. M., Owen, H. L., Shepherd, B. J. A.

    Published in Physical review. Accelerators and beams (01-10-2017)
    “…NORMA is a design for a normal-conducting racetrack fixed-field alternating-gradient accelerator for protons from 50 to 350 MeV. In this article we show the…”
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    Beam-related machine protection for the CERN Large Hadron Collider experiments by Appleby, R. B., Goddard, B., Gomez-Alonso, A., Kain, V., Kramer, T., Macina, D., Schmidt, R., Wenninger, J.

    “…The Large Hadron Collider at CERN, Geneva stores 360 MJ per beam of protons at the top machine energy. This amount of energy storage presents a considerable…”
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    Design of a large energy acceptance beamline using fixed field accelerator optics by Steinberg, A. F., Appleby, R. B., Yap, J. S. L., Sheehy, S. L.

    Published in Physical review. Accelerators and beams (01-07-2024)
    “…Large energy acceptance arcs have been proposed for applications such as cancer therapy, muon accelerators, and recirculating linacs. The efficacy of hadron…”
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    Particle trajectories in a four rod crab cavity by Brett, D.R., Appleby, R.B., Burt, G., Hall, B.

    “…As part of the HL-LHC upgrade it is planned that crab cavities will be installed into the machine to control and increase the luminosity. Of crucial importance…”
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    The PyZgoubi framework and the simulation of dynamic aperture in fixed-field alternating-gradient accelerators by Tygier, S., Appleby, R.B., Garland, J.M., Hock, K., Owen, H., Kelliher, D.J., Sheehy, S.L.

    “…We present PyZgoubi, a framework that has been developed based on the tracking engine Zgoubi to model, optimise and visualise the dynamics in particle…”
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    Evidence for Exotic Hadron Contributions to Λ b 0 → J / ψ p π − Decays by Aaij, R., Abellán Beteta, C., Adeva, B., Adinolfi, M., Ajaltouni, Z., Akar, S., Albrecht, J., Alessio, F., Alexander, M., Ali, S., Alkhazov, G., Alvarez Cartelle, P., Alves, A. A., Amato, S., Amerio, S., Amhis, Y., An, L., Anderlini, L., Andreassi, G., Andreotti, M., Andrews, J. E., Appleby, R. B., Aquines Gutierrez, O., Archilli, F., d’Argent, P., Arnau Romeu, J., Artamonov, A., Artuso, M., Aslanides, E., Auriemma, G., Baalouch, M., Bachmann, S., Back, J. J., Badalov, A., Baesso, C., Baldini, W., Barlow, R. J., Barschel, C., Barsuk, S., Barter, W., Batozskaya, V., Battista, V., Bay, A., Beaucourt, L., Beddow, J., Bedeschi, F., Bediaga, I., Bel, L. J., Bellee, V., Belloli, N., Belous, K., Belyaev, I., Ben-Haim, E., Bencivenni, G., Benson, S., Benton, J., Berezhnoy, A., Bernet, R., Bertolin, A., Bettler, M.-O., van Beuzekom, M., Bifani, S., Billoir, P., Bird, T., Birnkraut, A., Bitadze, A., Bizzeti, A., Blake, T., Blanc, F., Blouw, J., Blusk, S., Bocci, V., Boettcher, T., Bondar, A., Bondar, N., Bonivento, W., Borghi, S., Borisyak, M., Borsato, M., Bossu, F., Boubdir, M., Bowcock, T. J. V., Bowen, E., Bozzi, C., Braun, S., Britsch, M., Britton, T., Brodzicka, J., Buchanan, E., Burr, C., Bursche, A., Buytaert, J., Cadeddu, S., Calabrese, R., Calvi, M., Calvo Gomez, M., Campana, P., Campora Perez, D., Capriotti, L., Carbone, A.

    Published in Physical review letters (01-08-2016)
    “…A full amplitude analysis of $\Lambda_b^0 \to J/\psi p \pi^-$ decays is performed with a data sample acquired with the LHCb detector from 7 and 8 TeV $pp$…”
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    Diffractive dijet production by Appleby, R.B, Forshaw, J.R

    Published in Physics letters. B (08-08-2002)
    “…We explore the diffractive interaction of a proton with an antiproton which results in centrally produced dijets. This process has been recently studied at the…”
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