CERN Accelerating science

PBC Conference papers and slides

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2021-06-09
06:17
The Gamma Factory Project at CERN: a New Generation of Research Tools Made of Light / Gamma Factory Working Group Collaboration
The Gamma Factory project offers the possibility of creating novel re- search tools by producing relativistic beams of highly ionised atoms in CERN’s accelerator complex and exciting their atomic degrees of freedom by lasers to produce strongly collimated high-energy photon beams. Inten- sity of such beams would exceed by several orders of magnitude the ones offered by the presently operating light sources, in the particularly interest- ing energy domain from about 100 keV to above 400 MeV. [...]
CERN-PBC-CONF-2021-005.- 2020 - 8 p. - Published in : Acta Phys. Pol. B Proc. Suppl. 13 (2020) 645-652
In : 45th Congress of Polish Physicists, Cracow, Poland, 13 - 18 Sep 2019, pp.645-652

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2021-06-01
06:15
Gamma Factory for CERN initiative - progress report / Dutheil, Yann (CERN) ; Abramov, Andrey (Royal Holloway, U. of London) ; Alden, Siobhan (Royal Holloway, U. of London) ; Alemany Fernandez, Reyes (CERN) ; Antsiferov, Pavel (Troitsk, IZMIRAN) ; Apyan, Armen (NAS Armenia, Yerevan) ; Bartosik, Hannes (CERN) ; Bessonov, Evgeny (Lebedev Inst.) ; Biancacci, Nicolo (CERN) ; Bieron, Jacek (Jagiellonian U.) et al.
The Gamma Factory (GF) initiative proposes to use partially stripped ion (PSI) beams as drivers of a new type of high-intensity and high-energy (0.1–400 MeV) photon source. As part of the ongoing Physics Beyond Collider studies, initial beam tests were carried out in 2017 and 2018 at the SPS and LHC with partially stripped xenon and lead beams [...]
CERN-PBC-CONF-2021-006.- SISSA, 2020 - 10 p. - Published in : PoS EPS-HEP2019 (2020) 020 Fulltext from publisher: PDF;
In : European Physical Society Conference on High Energy Physics (EPS-HEP) 2019, Ghent, Belgium, 10 - 17 Jul 2019, pp.020

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2019-12-19
09:42
Challenges for the Electric Field Devices for a CERN Proton EDM Storage Ring / Borburgh, J (CERN) ; Atanasov, M (CERN) ; Goddard, B (CERN) ; Jorat, L (CERN) ; Sgobba, S (CERN)
In the framework of the Physics Beyond Colliders (PBC) study at CERN, the Electric Dipole Moment (EDM) working group is investigating the feasibility of building an approximately 500 m circumference storage ring to precisely measure the permanent electric dipole moment of the proton. Protons are stored in an EDM ring at the so-called `magic' energy of 233 MeV using only electric field elements in order to ensure that spin and momentum vectors precess horizontally at the same rate. [...]
CERN-PBC-CONF-2021-007.- Sept - 4 p. - Published in : 10.1109/DEIV.2018.8537088
In : 28th International Symposium on Discharges and Electrical Insulation in Vacuum, pp.765-768

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2019-11-21
04:03
Studies for New Experiments at the CERN M2 Beamline within "Physics Beyond Colliders": AMBER/COMPASS++, NA64$\mu$, MuonE / NA64 collaboration
The "Physics Beyond Colliders (PBC)" study explores fundamental physics opportunities at the CERN accelerator complex complementary to collider experiments. Three new collaborations aim to exploit the M2 beamline in the North Area with existing high-intensity muon and hadron beams, but also aspire to go beyond the current M2 capabilities with a RF-separated, high intensity hadron beam, under study. [...]
arXiv:1911.01498; CERN-PBC-Notes-2021-009.- 2020-07-27 - 7 p. - Published in : AIP Conf. Proc. 2249 (2020) 030035
In : The 15th International Conference on Meson-Nucleon Physics and the Structure of the Nucleon, MENU-2019, Pittsburgh, Pennsylvania, United States Of America, 2 - 7 Jun 2019, pp.030035

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2019-10-23
06:55
First partially stripped ions in the LHC ($^{208}$Pb$^{81+}$) / Schaumann, Michaela (CERN) ; Alemany-Fernández, Reyes (CERN) ; Bartosik, Hannes (CERN) ; Bohl, Thomas (CERN) ; Bruce, Roderik (CERN) ; Hemelsoet, Georges-Henry (CERN) ; Hirlaender, Simon (CERN) ; Jowett, John (CERN) ; Kain, Verena (CERN) ; Krasny, Mieczyslaw (CERN) et al.
The Gamma Factory initiative proposes to use partially stripped ion (PSI) beams as drivers of a new type of high intensity photon source. As part of the ongoing Physics Beyond Collider studies, initial beam tests with PSI beams have been executed at CERN. [...]
CERN-PBC-CONF-2021-008.- 2019 - 4 p. - Published in : 10.18429/JACoW-IPAC2019-MOPRB055 Preprint: PDF;
In : 10th International Particle Accelerator Conference, Melbourne, Australia, 19 - 24 May 2019, pp.MOPRB055

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2019-10-23
06:55
Gamma Factory at CERN: Design of a proof-of-principle experiment / Dutheil, Yann (CERN) ; Alden, Siobhan (JAI, UK ; Royal Holloway, U. of London) ; Alemany-Fernández, Reyes (CERN) ; Apyan, Armen (Yerevan Phys. Inst.) ; Bartosik, Hannes (CERN) ; Bessonov, Evgeny (LPI, Moscow (main)) ; Biancacci, Nicolo (CERN) ; Bosco, Alessio (Royal Holloway, U. of London ; JAI, UK) ; Bruce, Roderik (CERN) ; Castelli, Fabrizio (INFN, Milan) et al.
The Gamma Factory (GF) initiative proposes to create novel research tools at CERN by producing, accelerating and storing highly relativistic partially stripped ion beams in the LHC rings and by exciting their atomic degrees of freedom by lasers, to produce high-energy photon beams. Their intensity would be several orders of magnitude higher than those of the presently operating light sources in the particularly interesting gamma-ray energy domain reaching up to 400 MeV. [...]
CERN-PBC-CONF-2021-009.- 2019 - 4 p. - Published in : 10.18429/JACoW-IPAC2019-MOPRB052 Fulltext from publisher: PDF;
In : 10th International Particle Accelerator Conference, Melbourne, Australia, 19 - 24 May 2019, pp.MOPRB052

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2019-10-22
06:18
Study of beam-gas interactions at the LHC for the Physics Beyond Colliders fixed-target study / Boscolo Meneguolo, Caterina (CERN ; U. Padua (main)) ; Abramov, Andrey (JAI, UK) ; Bruce, Roderik (CERN) ; Cerutti, Francesco (CERN) ; Ferro-Luzzi, Massimiliano (CERN) ; Giovannozzi, Massimo (CERN) ; Mereghetti, Alessio (CERN) ; Molson, James (CERN) ; Redaelli, Stefano (CERN)
Among several working groups formed in the framework of the Physics Beyond Colliders study, launched at CERN in September 2016, there is one investigating specific fixed-target experiment proposals. Of particular interest is the study of high-density unpolarized or polarized gas targets to be installed in the LHC, upstream of the LHCb detector, using storage cells to enhance the target density. [...]
CERN-ACC-2019-088; CERN-PBC-CONF-2021-018.- 2019 - 4 p. - Published in : 10.18429/JACoW-IPAC2019-MOPRB049 Preprint: PDF;
In : 10th International Particle Accelerator Conference, Melbourne, Australia, 19 - 24 May 2019, pp.MOPRB049

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2019-10-18
06:27
Update on beam transfer line design for the SPS Beam Dump Facility / Dutheil, Yann (CERN) ; Bauche, Jeremie ; Dougherty, Liam (CERN) ; Fraser, Matthew ; Goddard, Brennan (CERN) ; Heßler, Christoph (CERN) ; Kain, Verena ; Kurdej, Jakub (CERN) ; Uythoven, Jan (CERN) ; Velotti, Francesco (CERN)
The SPS Beam Dump Facility (BDF) being studied as part of the Physics Beyond Colliders (PBC) CERN project has recently reached an important milestone with the completion of the comprehensive feasibility study. The BDF is a proposed fixed target facility to be installed in the SPS North Area, to accommodate experiments such as SHiP (Search for Hidden Particles), which is most notably aiming at studying hidden sector particles. [...]
CERN-PBC-CONF-2021-001.- 2019 - 4 p. - Published in : 10.18429/JACoW-IPAC2019-WEPMP027 Fulltext from publisher: PDF;
In : 10th International Particle Accelerator Conference, Melbourne, Australia, 19 - 24 May 2019, pp.WEPMP027

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2019-10-17
06:46
SPS slow extraction losses and activation: update on recent improvements / Fraser, Matthew (CERN) ; Balhan, Bruno (CERN) ; Barna, Daniel (Wigner RCP, Budapest) ; Bartosik, Hannes (CERN) ; Bernhard, Johannes (CERN) ; Bertone, Caterina (CERN) ; Björkman, Daniel (CERN) ; Borburgh, Jan (CERN) ; Brugger, Markus (CERN) ; Brunner, Kristóf (Wigner RCP, Budapest) et al.
Annual high intensity requests of over $1 \times 10^{19}$ protons on target (POT) from the CERN Super Proton Synchrotron (SPS) Fixed Target (FT) physics program continue, with the prospect of requests for even higher, unprecedented levels in the coming decade. A concerted and multifaceted R&D; effort has been launched to understand and reduce the slow extraction induced radioactivation of the SPS and to anticipate future experimental proposals, such as SHiP [1] at the SPS Beam Dump Facility (BDF) [2], which will request an additional $4 \times 10^{19}$ POT per year. [...]
CERN-PBC-CONF-2021-002.- 2019 - 4 p. - Published in : 10.18429/JACoW-IPAC2019-WEPMP031 Fulltext from publisher: PDF;
In : 10th International Particle Accelerator Conference, Melbourne, Australia, 19 - 24 May 2019, pp.WEPMP031

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2019-03-28
08:36
Novel high intensity gamma-source at CERN: the Gamma Factory Initiative / Curatolo, Camilla (INFN, Padua) ; Placzek, Wieslaw (Jagiellonian U.) ; Krasny, Mieczyslaw (Paris U., VI-VII) ; Serafini, Luca (INFN, Milan) ; Zanetti, Marco (INFN, Padua ; Padua U.)
Collisions of Partially Stripped Ions (PSI) with laser light to produce high intensity gamma-ray beams are the backbone of the Gamma Factory (GF) initiative.The source, if realised at LHC, could significantly push up the intensity limits of the presently operating ones, reaching the flux of the order of 10$^17$ photons/s, in the particularly interesting gamma-ray energy domain of 1 to 400 MeV. The unprecedented-intensity, energy-tuned gamma beams, together with the gamma-beams-driven secondary beams of polarized positrons, polarized muons, neutrinos, neutrons and radioactive ions would constitute the basic research tools of the proposed Gamma Factory. [...]
CERN-PBC-CONF-2021-010.- SISSA, 2018 - 5 p. - Published in : PoS LHCP2018 (2018) 089 Fulltext: PDF; External link: PoS server
In : Sixth Annual Conference on Large Hadron Collider Physics, Bologna, Italy, 4 - 9 Jun 2018, pp.089

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