↟ Publications

Articles, conference talks & posters

• D. Barna, K. Brunner, M. Novák, J. Borburgh, M. Atanasov, F. Lackner, M. Olvegård, K. Pepitone, R. S. Kern, C. Svanberg, T. Bagni , Training-free performance of the wax-impregnated SuShi septum magnet, Superconductor Science and Technology 37 (2024) 045006, 10.1088/1361-6668/ad2981
• E. De Matteis, A. Ballarino, D. Barna, A. Carloni, A. Echeandia, G. Kirby, T. Lecrevisse, J. Lucas, S. Mariotto, J. van Nugteren, M. Prioli, L. Rossi, C. Senatore, M. Sorbi, S. Sorti, M. Statera, F. Toral, R.U. Valente, Conceptual design of an HTS Canted Cosine Theta dipole magnet for research and hadron therapy accelerators, IEEE Transactions on Applied Superconductivity 34 (2024), p. 1-5, 10.1109/TASC.2024.3360210
• D. Barna, K. Brunner, J. Borburgh, M. Atanasov, F. Lackner, M. Olvegård, K. Pepitone, R. Santiago Kern, C. Svanberg, T. Bagni, Test results of the first wax-impregnated Nb-Ti canted cosine theta septum magnet "SuShi", IEEE TAS (Proceedings of MT-28), 10.1109/TASC.2024.3354223
• F. Toral, D. Barna, et. al. , Status of Nb-Ti CCT Magnet EU Programs for Hadron Therapy, IEEE TAS (Proceedings of MT-28), 10.1109/TASC.2023.3349252
• E. De Matteis, et al, Straight and curved Canted Cosine Theta superconducting dipoles for ion therapy: comparison between various design options and technologies for ramping, Accepted for publication in IEEE TAS, doi: 10.1109/TASC.2023.3259330
• D. Veres, T. Vaszary, E. Benedetto, D. Barna: A New Algorithm for Optimizing the Field Quality of Curved CCT Magnets, IEEE Transactions on Applied Superconductivity 32 (2022), 4900914. doi: 10.1109/TASC.2022.3162389
• D. Barna, J. Borburgh, M. Atanasov, G. Kirby, G. Giunchi, V. Kárpáti, M. Szűcs, G. Szabó, V. Mertinger: The Superconducting Shield (SuShi) septum magnet prototype, Proceedings of MT27, IEEE Transactions on Applied Superconductivity 32 (2022), 1-5; doi: 10.1109/TASC.2022.3149726
• L.Rossi, A. Ballarino, D. Barna, E. Benedetto, C. Calzolaio, G. Ceruti, E. De Matteis, A. Echeandia, T. Ekelof, S. Farinon, E. Felcini, M. Gehring, G. Kirby, T. Lecrevisse, J. Lucas, S. Mariotto, J. Munilla, R. Musenich, A. Pampaloni, K. Pepitone, D. Perini, D. Popovic, M. Pullia, L. Quettier, S. Sanfilippo, C. Senatore, E. Shabagin, M. Sorbi, M. Statera, D. Tommasini, F. Toral, D. Veres, M. Vieweg: A European collaboration to investigate Superconducting Magnets for Next Generation Heavy Ion Therapy. IEEE Transactions on Applied Superconductivity 32 (Proceedings of EUCAS 2021), (2022), 1-7; doi: 10.1109/TASC.2022.3147433
• B. Facskó, D. Barna, E. Renner, A. Lechner: Dump line layout and beam dilution pattern optimization of the Future Circular Collider. Proceedings of the 12th International Particle Accelerator Conference, IPAC2021, May 2021, Campinas, Brazil. doi: 10.18429/JACoW-IPAC2021-THPAB031
• D. Barna, B. Facsko, A. Lechner, E. Renner: Realization of the optimal beam dilution pattern of the FCC-hh ring using beating frequencies. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 992 (2021), 165048. doi: 10.1016/j.nima.2021.165048
• M. Hori, H. Aghai-Khozani, A. Soter, A. Dax, D. Barna: Laser spectroscopy of pionic helium atoms. Nature 581 (2020), 37-41
• D. Barna, M. Novák: Two-dimensional conceptual design of a superconducting iron-free opposite field septum magnet. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 959 (2020), 163521 doi:10.1016/j.nima.2020.163521
• B. Goddard, ..., D. Barna, D. Veres: Reduction of 400 GeV/c slow extraction beam loss with a wire diffuser at the CERN Super Proton Synchrotron. Phys. Rev. Accel. Beams 23 (2020), 023501. doi: 10.1103/PhysRevAccelBeams.23.023501
• M. J. Barnes, W. Bartmann, F. Burkart, L. Ducimetière, B. Goddard, T. Kramer, V. Senaj, T. Stadlbauer, D. Woog, D. Barna, L. M. Redondo, A. Kandratsyeu: Future circular collider injection and extraction kicker topologies and solid state generators. Physical Review Accelerators and Beams 22 (2019) 071001. doi: 10.1103/PhysRevAccelBeams.22.071001
• M. Novák, D. Barna, M. Atanasov, J. Borburgh, G. Kirby: Status of the SuShi septum project. Talk at the FCC Week 2019, Brussels, 24-28 June
• B. Facskó, D. Barna, A. Lechner: Optimal beam dilution pattern of the FCC-hh ring using beating frequencies. Poster at the FCC Week 2019, Brussels, 24-28 June
• M.A. Fraser, R.G. Alia, B. Balhan, H. Bartosik, C. Bertone, J. Bernhard, D. Björkman, J. Borburgh, M. Brugger, N. Charitonidis, N. Conan, K. Cornelis, Y. Dutheil, L.S. Esposito, L. Gatignon, C.M. Genton, B. Goddard, C. Hessler, Y. Kadi, V. Kain, A. Mereghetti, M. Pari, M. Patecki, J.P. Prieto, S. Redaelli, F. Roncarolo, R. Rossi, W. Scandale, N. Solieri, J. Spanggaard, O. Stein, L.S. Stoel, F.M. Velotti, H. Vincke, H. Wilkens, D. Barna, K. Brunner: SPS slow extraction losses and activation: update on recent improvements. Proceedings of the 10th International Particle Accelerator Conference, Melbourne, Australia, 19-24 May 2019, pp. WEPMP031, http://dx.doi.org/10.18429/JACoW-IPAC2019-WEPMP031
• D. Barna, M. Novák, K. Brunner, G. Kirby, B. Goddard, J. Borburgh, M. Atanasov. A. Sanz Ull, E. Renner, W. Bartmann, M. Szakaly: Conceptual design of a high-field septum magnet using a superconducting shield and a canted-cosine-theta magnet. Review of Scientific Instruments, 90 (2019) 053302, doi: 10.1063/1.5096020
• D. Barna, G. Giunchi, M. Novák, K. Brunner, A. Német, C. Petrone, M. Atanasov, H. Bajas, J. Feuvrier: An MgB₂ superconducting shield prototype for the Future Circular Collider septum magnet. IEEE Transactions in Applied Superconductivity, 29 (2019) 4101310. doi: 10.1109/TASC.2019.2920359 [on the front cover of IEEE TAS Vol. 29 No. 8 (2019)]
• D. Barna, M. Novák, K. Brunner, C. Petrone, M. Atanasov, J. Feuvrier, M. Pascal: NbTi/Nb/Cu multilayer shield for the superconducting shield (SuShi) septum. IEEE Transactions in Applied Superconductivity 29 (2019), 4900108 (Date of publication: 2 October 2018) [see on arxiv]
  [on the front cover of IEEE TAS Vol. 29 No. 1. (2019)]
• D. Barna, et al: Superconducting Shield (SuShi) septum: towards a full prototype. Talk presented at FCC Week 2018, 09-13 April, Amsterdam
• M. Novák, et.al.: Numerical and experimental studies of the magnetic shielding performance of an MgB2 tube for the superconducting shield septum project. Poster presented at FCC Week 2018, 09-13 April, Amsterdam
• M. Benedikt, et al: Future Circular Collider Study. Volume 3: The Hadron Collider (FCC-hh) Conceptual Design Report CERN accelerator reports, CERN-ACC-2018-0058, Geneva, December 2018. Published in Eur. Phys. J. ST.
• G. Giunchi, D. Barna, H. Bajas, K. Brunner, A. Német, C. Petrone: Creep and relaxation phenomena in a long MgB2 tube subjected to transversal magnetic field, at 4.2 K. IEEE Transactions on Applied Superconductivity, Vol. 28, pp 1-5 (2018)
• D. Barna, M. Atanasov: How will SuShi protect the FCC? News in the CERN Bulletin (June 2017)
• D. Barna: First experimental results with the superconducting shield (SuShi) prototypes,
  talk at FCC Week, Berlin, June 1st, 2017, 13:48
• K. Brunner, D. Barna: Eliminating field distortions caused by the HTS beam screen coating in FCC dipole magnets. Poster at the FCC week 2017, Berlin
• D. Barna: High field septum magnet using a superconducting shield for the Future Circular Collider
  Phys. Rev. Accel. Beams 20, 041002 (2017)
• W. Bartmann, ..., D. Barna: Dump system concepts for the Future Circular Collider
  Physical Review Accelerators and Beams 20 (2017), 031001
• K. Brunner, D. Barna, M. A. Fraser, B. Goddard, L. S. Stoel, C. Wiesner: Use of a massless septum to increase slow-extraction efficiency Proceedings of the 9th International Particle Accelerator Conference IPAC2018, Vancouver, TUPAF061 doi: 10.18429/JACoW-IPAC2018-TUPAF061
• B. Goddard, B. Balhan, J. Borburgh, M. A. Fraser, L. Jorat, V. Kain, C. Lolliot, L. S. Stoel, P. van Trappen, F. M. Velotti, D. Barna, V. Nagaslaev: Optimization of diffuser (pre-scatterer) configurations for slow extraction loss reduction at electrostatic septa Proceedings of the 9th International Particle Accelerator Conference, Vancouver, Canada doi: 10.18429/JACoW-IPAC2018-TUPAF053
• D. Barna, F. Burkart: Septum magnet using a superconducting shield Proceedings of the 7th International Particle Accelerator Conference 2016, Busan, Korea doi: 10.18429/JACoW-IPAC2016-WEPMR056
• T. Kramer, ..., D. Barna: Considerations for the Injection and Extraction Kicker Systems of a 100 TeV Centre-of-Mass FCC-hh Collider Proceedings of the 7th International Particle Accelerator Conference 2016, Busan, Korea doi: 10.18429/JACoW-IPAC2016-THPOR049
• F. Burkart, ..., D. Barna: Conceptual Design Considerations for the 50 TeV FCC Beam Dump Insertion. Proceedings of the 7th International Particle Accelerator Conference 2016, Busan, Korea doi: 10.18429/JACoW-IPAC2016-TUPMR047
• D. Barna, W. Bartmann, J. Borburgh, C. Carli, G. Vanbavinckhove: Field Simulations and Mechanical Implementation of Electrostatic Elements for the ELENA Transfer Lines. Proceedings of the 5th International Particle Accelerator Conference, 2014, Dresden, Germany doi: 10.18429/JACoW-IPAC2014-MOPRI101
• G. Vanbavinckhove, R. Baartman, D. Barna, W. Bartmann, F. Butin, O. Choisnet, H. Yamada: Geometry and Optics of the Electrostatic ELENA Transfer Lines. Proceedings of the 4th International Particle Accelerator Conference, Shanghai, China, 12 - 17 May 2013, pp.1985 http://cds.cern.ch/record/1577414/files/CERN-ACC-2013-0107.pdf
• J. Borburgh, B. Balhan, W. Bartmann, T. Fowler, V. Pricop, L. Sermeus, G. Vanbavinckhove, D. Barna, R. Baartman: Concept for ELENA extraction and beam transfer elements. Proceedings of the 4th International Particle Accelerator Conference 2013, Shanghai, China http://accelconf.web.cern.ch/accelconf/IPAC2013/papers/mopfi061.pdf
• C. Alanzeau, ..., D. Barna: Extra Low ENergy Antiproton (ELENA) ring and its Transfer Lines: Design Report. CERN report CERN-2014-002 doi: 10.5170/CERN-2014-002

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Talks, presentations

• Dóra Veres: Summary of Mini-ZS project. Talk presented at CERN at the 49th SLAWG meeting
• Dóra Veres: Effect of carbon wires and passive diffuser. Talk presented at CERN
• Marcell Szakály: Comparison of alignment algorithms. Talk presented at CERN
• K. Brunner, D. Barna: Shielding magnetic fields of several Tesla: the FCC SuShi project (talk presented at Mini-workshop on Impact of Stray Fields on Accelerators, 4-6 October, 2017)

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Theses

• B. Facskó: Az FCC-hh gyorsító nyalábkicsatolási mintájának optimalizálása. OTDK dolgozat, 2019, Eötvös Loránd Tudományegyetem kari forduló 2. helyezés
• Martin Novák: Numerical and experimental study of superconducting magnetic shields for the construction of a high field septum magnet
  Diploma thesis, Eötvös Loránd University, Budapest (2018)
• Kristóf Brunner: Improving the slow extraction efficiency of the CERN Super Proton Synchrotron
  Diploma thesis, Eötvös Loránd University, Budapest (2018) (see it on the CERN Document Server)

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Public appearances

• Mire jó egy részecskegyorsító (Mindenki Akadémiája)