Research outputs
2025
Designing a Femtosecond-Resolution Bunch Length Monitor Using Coherent Transition Radiation Images
Guisao-Betancur, A., Wolfenden, J., Mansten, E., Thorin, S., Lundquist, J., Grimm, O., & Welsch, C. P. (2025). Designing a Femtosecond-Resolution Bunch Length Monitor Using Coherent Transition Radiation Images. Instruments, 9(4), 29. doi:10.3390/instruments9040029
Supersonic gas curtain based real-time ionization profile monitor for hadron therapy
First demonstration of coherent radiation imaging for bunch-by-bunch longitudinal compression monitoring
CTR and CSR imaging to measure particle bunch compression
Wolfenden, J. (n.d.). CTR and CSR imaging to measure particle bunch compression.
Experimental Observation of the Motion of Ions in a Resonantly Driven Plasma Wakefield Accelerator
Turner, M., Walter, E., Amoedo, C., Torrado, N., Lopes, N., Sublet, A., . . . Zepp, M. (2025). Experimental Observation of the Motion of Ions in a Resonantly Driven Plasma Wakefield Accelerator. Physical Review Letters, 134(15). doi:10.1103/physrevlett.134.155001
A Systematic Investigation of Beam Losses and Position-Reconstruction Techniques Measured with a Novel oBLM at CLEAR
King, M., Benitez, S., Christie, A., Effinger, E., Esteban, J., Farabolini, W., . . . Wolfenden, J. (2025). A Systematic Investigation of Beam Losses and Position-Reconstruction Techniques Measured with a Novel oBLM at CLEAR. Instruments, 9(1), 4. doi:10.3390/instruments9010004
END TO END SIMULATIONS OF A NOVEL OPTICAL FIBRE MONITORING SYSTEM FOR ENERGY RECOVERY LINACs
Jones, A., Wolfenden, J., Eley, L., Welsch, C. P., & Boogert, S. (2025). END TO END SIMULATIONS OF A NOVEL OPTICAL FIBRE MONITORING SYSTEM FOR ENERGY RECOVERY LINACs. In Proceedings of the International Beam Instrumentation Conference Ibic (pp. 46-49). doi:10.18429/JACoW-IBIC2025-MOPCO01
2024
Measurement of the emittance of accelerated electron bunches at the AWAKE experiment
Filamentation of a relativistic proton bunch in plasma.
Verra, L., Amoedo, C., Torrado, N., Clairembaud, A., Mezger, J., Pannell, F., . . . Zepp, M. (2024). Filamentation of a relativistic proton bunch in plasma.. Physical review. E, 109(5-2), 055203. doi:10.1103/physreve.109.055203
Hosing of a Long Relativistic Particle Bunch in Plasma
Nechaeva, T., Verra, L., Pucek, J., Ranc, L., Bergamaschi, M., Zevi Della Porta, G., . . . Zepp, M. (2024). Hosing of a Long Relativistic Particle Bunch in Plasma. Physical Review Letters, 132(7). doi:10.1103/PhysRevLett.132.075001
A SYSTEMATIC INVESTIGATION OF BEAM LOSSES AND POSITION RECONSTRUCTION TECHNIQUES MEASURED WITH A NOVEL oBLM AT CLEAR
King, M., Benitez, S., Effinger, E., Esteban, J., Farabolini, W., Meyer, J. M., . . . Wolfenden, J. (2024). A SYSTEMATIC INVESTIGATION OF BEAM LOSSES AND POSITION RECONSTRUCTION TECHNIQUES MEASURED WITH A NOVEL oBLM AT CLEAR. In Proceedings of the International Beam Instrumentation Conference Ibic (pp. 669-673). doi:10.18429/JACoW-IBIC2024-FRBC2
2023
Development of the self-modulation instability of a relativistic proton bunch in plasma
Verra, L., Wyler, S., Nechaeva, T., Pucek, J., Bencini, V., Bergamaschi, M., . . . Zepp, M. (2023). Development of the self-modulation instability of a relativistic proton bunch in plasma. Physics of Plasmas, 30(8). doi:10.1063/5.0157391
Cherenkov Radiation in Optical Fibres as a Versatile Machine Protection System in Particle Accelerators
Wolfenden, J., Alexandrova, A. S., Jackson, F., Mathisen, S., Morris, G., Pacey, T. H., . . . Welsch, C. P. (2023). Cherenkov Radiation in Optical Fibres as a Versatile Machine Protection System in Particle Accelerators. Sensors, 23(4), 2248. doi:10.3390/s23042248
2022
DEVELOPMENT OF QUANTUM GAS JET BEAM PROFILE MONITOR FOR sub-mm BEAMS
Kumar, N., Stringer, O., Wolfenden, J., Zhang, H. D., Welsch, C. P., & Maltusch, I. (2022). DEVELOPMENT OF QUANTUM GAS JET BEAM PROFILE MONITOR FOR sub-mm BEAMS. In Proceedings - Linear Accelerator Conference, LINAC (pp. 224-227). doi:10.18429/JACoW-LINAC2022-MOPORI03
IMPROVEMENTS ON THE MODIFIED NOMARSKI INTERFEROMETER FOR MEASUREMENTS OF SUPERSONIC GAS JET DENSITY PROFILES
Swain, C., Wolfenden, J., Salehilashkajani, A., Zhang, H. D., Apsimon, O., & Welsch, C. P. (2022). IMPROVEMENTS ON THE MODIFIED NOMARSKI INTERFEROMETER FOR MEASUREMENTS OF SUPERSONIC GAS JET DENSITY PROFILES. In Proceedings - Linear Accelerator Conference, LINAC (pp. 236-239). doi:10.18429/JACoW-LINAC2022-MOPORI06
The AWAKE Run 2 Programme and Beyond
Gschwendtner, E., Lotov, K., Muggli, P., Wing, M., Agnello, R., Ahdida, C. C., . . . Zevi Della Porta, G. (2022). The AWAKE Run 2 Programme and Beyond. Symmetry, 14(8), 1680. doi:10.3390/sym14081680
Controlled Growth of the Self-Modulation of a Relativistic Proton Bunch in Plasma
Verra, L., Zevi Della Porta, G., Pucek, J., Nechaeva, T., Wyler, S., Bergamaschi, M., . . . Zepp, M. (2022). Controlled Growth of the Self-Modulation of a Relativistic Proton Bunch in Plasma. Physical Review Letters, 129(2). doi:10.1103/physrevlett.129.024802
The AWAKE Run 2 programme and beyond
APPLICATION OF VIRTUAL DIAGNOSTICS IN THE FEBE CLARA USER AREA
Wolfenden, J., Swain, C., Welsch, C. P., Pacey, T. H., Pollard, A. E., Jones, J., & Dunning, D. (2022). APPLICATION OF VIRTUAL DIAGNOSTICS IN THE FEBE CLARA USER AREA. In Proceedings Linear Accelerator Conference Linac (pp. 232-235). doi:10.18429/JACoW-LINAC2022-MOPORI05
DEVELOPMENT OF A 6D ELECTRON BEAM DIAGNOSTICS SUITE FOR NOVEL ACCELERATION EXPERIMENTS AT FEBE ON CLARA
Pacey, T. H., Angal-Kalinin, D., Bainbridge, A. R., Henderson, J. R., Jones, J. K., Joshi, N., . . . Swain, C. (2022). DEVELOPMENT OF A 6D ELECTRON BEAM DIAGNOSTICS SUITE FOR NOVEL ACCELERATION EXPERIMENTS AT FEBE ON CLARA. In Proceedings of the International Beam Instrumentation Conference Ibic (pp. 1-5). doi:10.18429/JACoW-IBIC2022-MO1C3
2021
Analysis of proton bunch parameters in the AWAKE experiment
Hafych, V., Caldwell, A., Agnello, R., Ahdida, C. C., Aladi, M., Amoedo Goncalves, M. C., . . . Zevi Della Porta, G. (2021). Analysis of proton bunch parameters in the AWAKE experiment. Journal of Instrumentation, 16(11), P11031. doi:10.1088/1748-0221/16/11/p11031
Simulation and experimental study of proton bunch self-modulation in plasma with linear density gradients
Morales Guzmán, P. I., Muggli, P., Agnello, R., Ahdida, C. C., Aladi, M., Amoedo Goncalves, M. C., . . . Zevi Della Porta, G. (2021). Simulation and experimental study of proton bunch self-modulation in plasma with linear density gradients. Physical Review Accelerators and Beams, 24(10). doi:10.1103/physrevaccelbeams.24.101301
Analysis of Proton Bunch Parameters in the AWAKE Experiment
Simulation and Experimental Study of Proton Bunch Self-Modulation in Plasma with Linear Density Gradients
Transition between Instability and Seeded Self-Modulation of a Relativistic Particle Bunch in Plasma.
Batsch, F., Muggli, P., Agnello, R., Ahdida, C. C., Amoedo Goncalves, M. C., Andrebe, Y., . . . AWAKE Collaboration. (2021). Transition between Instability and Seeded Self-Modulation of a Relativistic Particle Bunch in Plasma.. Physical review letters, 126(16). doi:10.1103/physrevlett.126.164802
Erratum to: EuPRAXIA Conceptual Design Report
Assmann, R. W., Weikum, M. K., Akhter, T., Alesini, D., Alexandrova, A. S., Anania, M. P., . . . Zigler, A. (2020). Erratum to: EuPRAXIA Conceptual Design Report. The European Physical Journal Special Topics, 229(S1), 11-31. doi:10.1140/epjst/e2021-100018-5
Experimental study of extended timescale dynamics of a plasma wakefield driven by a self-modulated proton bunch
Chappell, J., Adli, E., Agnello, R., Aladi, M., Andrebe, Y., Apsimon, O., . . . Zevi Della Porta, G. (2021). Experimental study of extended timescale dynamics of a plasma wakefield driven by a self-modulated proton bunch. Physical Review Accelerators and Beams, 24(1). doi:10.1103/physrevaccelbeams.24.011301
BEAM LOSS SIGNAL CALIBRATION FOR THE LHC DIAMOND DETECTORS DURING RUN
Morales, S., Salvachua, B., Calvo, E., Effinger, E., Zamantzas, C., Welsch, C. P., & Wolfenden, J. (2021). BEAM LOSS SIGNAL CALIBRATION FOR THE LHC DIAMOND DETECTORS DURING RUN. In Proceedings of the International Beam Instrumentation Conference Ibic (pp. 290-293). doi:10.18429/JACoW-IBIC2021-TUPP33
2020
Proton Bunch Self-Modulation in Plasma with Density Gradient
Braunmüller, F., Nechaeva, T., Adli, E., Agnello, R., Aladi, M., Andrebe, Y., . . . Zevi Della Porta, G. (2020). Proton Bunch Self-Modulation in Plasma with Density Gradient. Physical Review Letters, 125(26). doi:10.1103/physrevlett.125.264801
EuPRAXIA Conceptual Design Report
Assmann, R. W., Weikum, M. K., Akhter, T., Alesini, D., Alexandrova, A. S., Anania, M. P., . . . Zigler, A. (2020). EuPRAXIA Conceptual Design Report. The European Physical Journal Special Topics, 229(24), 3675-4284. doi:10.1140/epjst/e2020-000127-8
Transition between Instability and Seeded Self-Modulation of a Relativistic Particle Bunch in Plasma
Proton beam defocusing in AWAKE: comparison of simulations and measurements
Gorn, A. A., Turner, M., Adli, E., Agnello, R., Aladi, M., Andrebe, Y., . . . Zevi Della Porta, G. (2020). Proton beam defocusing in AWAKE: comparison of simulations and measurements. Plasma Physics and Controlled Fusion, 62(12), 125023. doi:10.1088/1361-6587/abc298
Experimental study of extended timescale dynamics of a plasma wakefield driven by a self-modulated proton bunch
Proton beam defocusing in AWAKE: comparison of simulations and measurements
Experimental study of wakefields driven by a self-modulating proton bunch in plasma
Turner, M., Muggli, P., Adli, E., Agnello, R., Aladi, M., Andrebe, Y., . . . Collaboration, A. W. A. K. E. (2020). Experimental study of wakefields driven by a self-modulating proton bunch in plasma. PHYSICAL REVIEW ACCELERATORS AND BEAMS, 23(8). doi:10.1103/PhysRevAccelBeams.23.081302
2019
Eupraxia, A Step Toward A Plasma-Wakefield Based Accelerator With High Beam Quality
Nghiem, P. A. P., Alesini, D., Aschikhin, A., Assmann, R. W., Audet, T., Beck, A., . . . Zhu, J. (2019). Eupraxia, A Step Toward A Plasma-Wakefield Based Accelerator With High Beam Quality. In Journal of Physics: Conference Series Vol. 1350 (pp. 012068). IOP Publishing. doi:10.1088/1742-6596/1350/1/012068
Status of the Horizon 2020 EuPRAXIA conceptual design study*
Weikum, M. K., Akhter, T., Alesini, D., Alexandrova, A. S., Anania, M. P., Andreev, N. E., . . . Zigler, A. (2019). Status of the Horizon 2020 EuPRAXIA conceptual design study*. In Journal of Physics: Conference Series Vol. 1350 (pp. 012059). IOP Publishing. doi:10.1088/1742-6596/1350/1/012059
EuPRAXIA – a compact, cost-efficient particle and radiation source
Weikum, M. K., Akhter, T., Alesini, P. D., Alexandrova, A. S., Anania, M. P., Andreev, N. E., . . . Zigler, A. (2019). EuPRAXIA – a compact, cost-efficient particle and radiation source. In AIP Conference Proceedings Vol. 2160 (pp. 040012). AIP Publishing. doi:10.1063/1.5127692
Novel radiometric imaging diagnostics for charged particle beams
Wolfenden, J. (2019, March 27). Novel radiometric imaging diagnostics for charged particle beams.
A novel simulation and analysis algorithm for high resolution optical transition radiation imaging
Wolfenden, J., Fiorito, R. B., & Welsch, C. P. (2019). A novel simulation and analysis algorithm for high resolution optical transition radiation imaging. Optics Express, 27(3), 2988. doi:10.1364/oe.27.002988
2017
Horizon 2020 EuPRAXIA design study
Walker, P. A., Alesini, P. D., Alexandrova, A. S., Anania, M. P., Andreev, N. E., Andriyash, I., . . . Zigler, A. (2017). Horizon 2020 EuPRAXIA design study. In Journal of Physics: Conference Series Vol. 874 (pp. 012029). IOP Publishing. doi:10.1088/1742-6596/874/1/012029
Comparison of optical transition radiation simulations and theory
Wolfenden, J., Fiorito, R., Welsch, C., Lefevre, T., Kieffer, R., Mazzoni, S., . . . Kruchinin, K. (2017). Comparison of optical transition radiation simulations and theory. In Ipac 2017 Proceedings of the 8th International Particle Accelerator Conference (pp. 455-457).
2016
High resolution and dynamic range characterisation of beam imaging systems
Wolfenden, J., Fiorito, R., Welsch, C. P., Karataev, P., Kruchinin, K., Bergamaschi, M., . . . Mazzoni, S. (2016). High resolution and dynamic range characterisation of beam imaging systems. In Ipac 2016 Proceedings of the 7th International Particle Accelerator Conference (pp. 354-356).
Optical effects in high resolution and high dynamic range beam imaging systems
Wolfenden, J., Fiorito, R., Welsch, C., Karataev, P., Kruchinin, K., Bergamaschi, M., . . . Mazzoni, S. (2016). Optical effects in high resolution and high dynamic range beam imaging systems. In Proceedings of the 5th International Beam Instrumentation Conference Ibic 2016 (pp. 844-847).