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Beam Dynamics Studies Through Dielectric THz Accelerating Structures
/ Apsimon, Robert (Lancaster U. (main)) ; Appleby, Robert (U. Manchester (main)) ; Burt, Graeme (Lancaster U. (main)) ; Healy, Alisa (Lancaster U. (main)) ; Jamison, Steven (Lancaster U. (main)) ; Latina, Andrea (CERN) ; Smith, Elliott (U. Manchester (main))
As conventional RF accelerating schemes approach the physical limit of accelerating gradient, the accelerator community is increasingly looking at novel accelerating techniques to overcome these limitations. Moving from the RF to the THz frequency range, higher acceleration gradients of high energy beams can be achieved in compact structures. [...]
CERN-ACC-2018-185.-
2018 - 4 p.
- Published in : 10.18429/JACoW-LINAC2018-TUPO113
Fulltext: PDF;
In : 29th International Linear Accelerator Conference, Beijing, China, 16 - 21 Sep 2018, pp.TUPO113
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2.
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Development of an High Gradient Side Coupled Cavity for PROBE
/ Pitman, Sam (Cockcroft Inst. Accel. Sci. Tech. ; Lancaster U. (main)) ; Apsimon, Robert (Cockcroft Inst. Accel. Sci. Tech. ; Lancaster U. (main)) ; Burt, Graeme (Cockcroft Inst. Accel. Sci. Tech. ; Lancaster U. (main)) ; Catalán Lasheras, Nuria (CERN) ; Grudiev, Alexej (CERN) ; Owen, Hywel (Cockcroft Inst. Accel. Sci. Tech. ; U. Manchester (main)) ; Wuensch, Walter (CERN)
The PROBE project aims to develop a high gradient proton accelerator for protons with energy around 250-350 MeV for proton radiography. Detailed studies have shown that the optimum design is a side coupled cavity at S-band. [...]
CERN-ACC-2018-199.-
2018 - 4 p.
- Published in : 10.18429/JACoW-LINAC2018-THPO108
Fulltext: PDF;
In : 29th International Linear Accelerator Conference, Beijing, China, 16 - 21 Sep 2018, pp.THPO108
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3.
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Witness Beam Production with an RF Gun and a Travelling Wave Booster Linac for AWAKE Experiment at CERN
/ Mete Apsimon, Oznur (U. Manchester (main)) ; Apsimon, Robert (Lancaster U.) ; Burt, Graeme (Lancaster U.) ; Döbert, Steffen (CERN) ; Xia, Guoxing (U. Manchester (main))
AWAKE is a unique experiment that aims to demonstrate the proton driven plasma wakefield acceleration. In this experiment, proton bunches from the SPS accelerator will be injected into a 10m long pre-formed plasma section to form wakefields of hundreds MV/m to several GV/m. [...]
CERN-ACC-2016-181.-
2016 - 3 p.
- Published in : 10.18429/JACoW-IPAC2016-THPMB056
Published version from JACoW: PDF;
In : 7th International Particle Accelerator Conference, Busan, Korea, 8 - 13 May 2016, pp.THPMB056
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4.
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ProTec - A Normal-conducting Cyclinac for Proton Therapy Research and Radioisotope Production
/ Apsimon, Robert (Lancaster U.) ; Burt, Graeme (Lancaster U.) ; Degiovanni, Alberto (CERN) ; Mitchell, James (Lancaster U.) ; Owen, Hywel (U. Manchester (main)) ; Pitman, Sam (Lancaster U.)
The ProTec cyclinac proposes the use of a 24 MeV high-current cyclotron to inject protons into a normal-conducting linac pulsed at up to 1 kHz to give energies up to 150 MeV. As well as being able to produce radioisotopes such as 99mTc, the cyclinac can also provide protons at higher energy with beam properties relevant for proton therapy research. [...]
CERN-ACC-2015-017.-
2015 - 3 p.
- Published in : (2015) , pp. THPF084
Published version from JACoW: PDF; External link: JACOW
In : 6th International Particle Accelerator Conference, Richmond, VA, USA, 3 - 8 May 2015, pp.THPF084
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5.
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ProBE: Proton Boosting Extension for Imaging and Therapy
/ Pitman, Sam (Lancaster U.) ; Apsimon, Robert (Lancaster U.) ; Burt, Graeme (Lancaster U.) ; Green, Andrew (U. Manchester (main)) ; Grudiev, Alexej (CERN) ; Owen, Hywel (U. Manchester (main)) ; Solodko, Anastasiya (CERN) ; Wuensch, Walter (CERN)
The ProBE linac aims at accelerating protons from a particle therapy cyclotron to the c.330 MeV required for proton tomography. To obtain the c. [...]
CERN-ACC-2017-223.-
2017 - 4 p.
- Published in : 10.18429/JACoW-IPAC2017-THPVA135
Fulltext: PDF;
In : 8th International Particle Accelerator Conference, Copenhagen, Denmark, 14 - 19 May 2017, pp.THPVA135
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6.
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S-band booster design and emittance preservation for the Awake $e^-$ injector
/ Mete Apsimon, Oznur (Lancaster U. ; Cockcroft Inst. Accel. Sci. Tech.) ; Apsimon, Robert (Lancaster U. ; Cockcroft Inst. Accel. Sci. Tech.) ; Burt, Graeme (Lancaster U. ; Cockcroft Inst. Accel. Sci. Tech.) ; Döbert, Steffen (CERN) ; Xia, Guoxing (U. Manchester (main) ; Cockcroft Inst. Accel. Sci. Tech.)
AWAKE is a proton driven plasma wakefield acceleration experiment at CERN which uses the protons from the SPS. It aims to study the self modulation instability of a proton bunch and the acceleration of an externally injected electron beam in the plasma wakefields, during the so called Phase II until the technical stop of LHC and its injector chain (LS2) in 2019. [...]
CERN-ACC-2017-353.-
2017 - 3 p.
- Published in : 10.18429/JACoW-LINAC2016-TUPRC016
Fulltext: PDF;
In : 28th Linear Accelerator Conference, East Lansing, Michigan, 25 - 30 Sep 2016, pp.TUPRC016
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7.
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Electron Beam Based Leather Tanning
/ Apsimon, Robert (Lancaster U. (main) ; Cockcroft Inst. Accel. Sci. Tech.) ; Dewhurst, Kay (Lancaster U. (main) ; Cockcroft Inst. Accel. Sci. Tech. ; CERN) ; Setiniyaz, Sadiq (Lancaster U. (main) ; Cockcroft Inst. Accel. Sci. Tech.) ; Seviour, Rebecca (Huddersfield U.) ; Turner, Daniel (Lancaster U. (main) ; Cockcroft Inst. Accel. Sci. Tech.) ; Wise, William (Unlisted, UK)
Tanning of leather for clothing, shoes, and handbags uses potentially harmful chemicals that often run off into local water supplies or require a large carbon footprint to safely recover these pollutants. In regions of the world with significant leather production, this can lead to a significant environmental impact. [...]
2022 - 5 p.
- Published in : JACoW LINAC 2022 (2022) 645-649
Fulltext: PDF;
In : 31st Linear Accelerator Conference (LINAC22), Liverpool, UK, 28 Aug - 2 Sep 2022, pp.645-649
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8.
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Modeling the Low Level RF Response on the Beam during Crab Cavity Quench
/ Apsimon, Robert (Lancaster U.) ; Appleby, Robert (U. Manchester (main)) ; Baudrenghien, Philippe (CERN) ; Burt, Graeme (Lancaster U.) ; Dexter, Amos (Lancaster U.) ; Sjobak, Kyrre (CERN)
The High Luminosity Upgrade for the LHC (HL-LHC) relies on crab cavities to compensate for the luminosity reduction due to the crossing angle of the colliding bunches at the interaction points. In this paper we present the simulation studies of cavity quenches and the impact on the beam. [...]
CERN-ACC-2017-186.-
2017 - 4 p.
- Published in : 10.18429/JACoW-IPAC2017-MOPVA102
Fulltext: PDF;
In : 8th International Particle Accelerator Conference, Copenhagen, Denmark, 14 - 19 May 2017, pp.MOPVA102
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9.
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ProBE: Proton boosting extension for imaging and therapy
/ Pitman, Sam (Lancaster U.) ; Apsimon, Robert (Lancaster U.) ; Burt, Graeme (Lancaster U.) ; Green, Andrew (U. Manchester (main)) ; Grudiev, Alexej (CERN) ; Owen, Hywel (U. Manchester (main)) ; Solodko, Anastasiya (CERN) ; Wuensch, Walter (CERN)
Proton beam therapy is an alternative to traditional x-ray radiotherapy utilised especially for paediatric malignancies and radio-resistant tumours; it allows a precise tumour irradiation, but is currently limited by knowledge of the patient density and thus the particle range [1]. Typically X-ray computed tomography (CT) is used for treatment planning but CT scans require conversion from Hounsfield units to estimate the proton stopping power (PSP), which has limited accuracy . [...]
CERN-ACC-2017-357.-
2017 - 4 p.
- Published in : 10.18429/JACoW-LINAC2016-MOPLR066
Fulltext: PDF;
In : 28th Linear Accelerator Conference, East Lansing, Michigan, 25 - 30 Sep 2016, pp.MOPLR066
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10.
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Creating Exact Multipolar Fields in Accelerating RF Cavities via an Azimuthally Modulated Design
/ Wroe, Laurence M (JAI, UK) ; Apsimon, Robert J (Cockcroft Inst. Accel. Sci. Tech.) ; Dosanjh, Manjit (JAI, UK ; CERN) ; Sheehy, Suzanne L (JAI, UK ; Melbourne U.)
In this paper, we present a novel method for designing RF structures with specifically tailored multipolar field contributions. This has a range of applications, including the suppression of unwanted multipolar fields or the introduction of wanted terms, such as for quadrupole focusing. [...]
Geneva : JACoW, 2021 - 4 p.
- Published in : JACoW IPAC 2021 (2021) 1154-1157
Fulltext: PDF;
In : 12th International Particle Accelerator Conference (IPAC 2021), Online, 24 - 28 May 2021, pp.1154-1157
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