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Neutrinoless Double Beta Decay
/ Adams, C. (Argonne) ; Alfonso, K. (Virginia Tech.) ; Andreoiu, C. (Simon Fraser U., Burnaby (main)) ; Angelico, E. (SLAC) ; Arnquist, I.J. (PNL, Richland) ; Asaadi, J.A.A. (Texas U., Arlington) ; Avignone, F.T. (South Carolina U.) ; Axani, S.N. (Delaware U.) ; Barabash, A.S. (Moscow, ITEP) ; Barbeau, P.S. (Duke U. ; TUNL, Durham) et al.
This White Paper, prepared for the Fundamental Symmetries, Neutrons, and Neutrinos Town Meeting related to the 2023 Nuclear Physics Long Range Plan, makes the case for double beta decay as a critical component of the future nuclear physics program. [...]
arXiv:2212.11099 ; FERMILAB-CONF-22-962-ND.
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20.
Fermilab Library Server - Fulltext - Fulltext
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Beam Longitudinal Dynamics Simulation Suite BLonD
/ Timko, Helga (CERN) ; Albright, Simon (CERN) ; Argyropoulos, Theodoros (CERN) ; Damerau, H. (CERN) ; Iliakis, Konstantinos (CERN) ; Intelisano, L. (CERN) ; Karlsen-Bæck, Birk Emil (CERN) ; Karpov, Ivan (CERN) ; Lasheen, Alexandre (CERN) ; Medina, Luis Eduardo (CERN) et al.
The beam longitudinal dynamics code BLonD has been developed at CERN since 2014 and has become a central tool for longitudinal beam dynamics simulations. In this paper, we present this modular simulation suite and the various physics models that can be included and combined by the user. [...]
arXiv:2206.08148.-
2023-11-01 - 15 p.
- Published in : 10.1103/PhysRevAccelBeams.26.114602
Fulltext: PDF;
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Overview of the Beams from the Injectors
/ Albright, S (CERN) ; Bartosik, H (CERN) ; Bohl, T (CERN) ; Damerau, H (CERN) ; Di, G P (CERN) ; Findlay, A (CERN) ; Forte, V (CERN) ; Fraser, M (CERN) ; Huschauer, A (CERN) ; Kain, V (CERN) et al.
The injectors have delivered different beam types for luminosity production in
the LHC during the 2017 run. Besides the nominal beam with 25 ns spacing and 72
bunches at PS extraction, the batch-compression-merging-splitting (BCMS) beam
with multiples of 48 bunches at extraction from the SPS has been produced [...]
2019 - 6 p.
- Published in : (2019) , pp. 119-124
Fulltext: PDF;
In : 8th Evian Workshop on LHC beam operation, Evian Les Bains, France, 12 - 14 Dec 2017, pp.119-124
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Systematic studies of the microbunching and weak instability at short bunch lengths
/ Brosi, M (KIT, Karlsruhe) ; Blomley, E (KIT, Karlsruhe) ; Boltz, T (KIT, Karlsruhe) ; Bründermann, E (KIT, Karlsruhe) ; Caselle, M (KIT, Karlsruhe) ; Gethmann, J (KIT, Karlsruhe) ; Kehrer, B (KIT, Karlsruhe) ; Papash, A.I. (KIT, Karlsruhe) ; Rota, L (KIT, Karlsruhe) ; Schönfeldt, P (KIT, Karlsruhe) et al.
At KARA, the Karlsruhe Research Accelerator of the Karlsruhe Institute of Technology synchrotron, the so-called short-bunch operation mode allows the reduction of the bunch length down to a few picoseconds. The microbunching instability resulting from the high degree of longitudinal compression leads to fluctuations in the emitted terahertz radiation. [...]
2020 - 5 p.
- Published in : 10.23732/CYRCP-2020-009.335
Fulltext: PDF;
In : ICFA mini-Workshop on Mitigation of Coherent Beam Instabilities in Particle Accelerators (MCBI 2019), Zermatt, Switzerland, 23 - 27 Sep 2019, pp.335 (CERN-2020-009)
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Synchronous phase shift measurements for evaluation of the longitudinal impedance model at the CERN SPS
/ Schwarz, M (CERN ; KIT, Karlsruhe) ; Farricker, A (CERN) ; Karpov, I (CERN) ; Lasheen, A (CERN)
The High Luminosity LHC (HL-LHC) requires 2.3 × 1011 protons per bunch (ppb) at LHC injection. For the SPS, the injector to the LHC, this goal requires a doubling of the injected intensity to 2.6 × 1011 ppb. [...]
2020 - 5 p.
- Published in : 10.23732/CYRCP-2020-009.318
Fulltext: PDF;
In : ICFA mini-Workshop on Mitigation of Coherent Beam Instabilities in Particle Accelerators (MCBI 2019), Zermatt, Switzerland, 23 - 27 Sep 2019, pp.318-322 (CERN-2020-009)
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Injectors Beam Performance Evolution during Run 2
/ Bartosik, H (CERN) ; Albright, S (CERN) ; Alemany, R (CERN) ; Antoniou, F (CERN) ; Asvesta, F (CERN) ; Benedetto, E (CERN) ; Bellodi, G (CERN) ; Biancacci, N (CERN) ; Bohl, T (CERN) ; Cornelis, K (CERN) et al.
This contribution gives an overview of the beam performance of the LHC injector
chain during Run 2. In the first part the various beam types used for LHC
luminosity production with protons (e.g. [...]
2019 - 8 p.
- Published in : , pp. 51-58
Fulltext: PDF;
In : 9th LHC Operations Evian Workshop, Evian Les Bains, France, 30 Jan - 1 Feb 2019, pp.51-58
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Simulations of longitudinal beam stabilisation in the CERN SPS with BLonD
/ Repond, Joël (CERN ; Ecole Polytechnique, Lausanne) ; Iliakis, Konstantinos (CERN) ; Schwarz, Markus (CERN) ; Shaposhnikova, Elena (CERN)
The Super Proton Synchrotron (SPS) at CERN, the Large Hadron Collider (LHC) injector, will be pushed to its limits for the production of the High Luminosity LHC proton beam while beam quality and stability in the longitudinal plane are influenced by many effects. Particle simulation codes are an essential tool to study the beam instabilities. [...]
2019 - 7 p.
- Published in : 10.18429/JACoW-ICAP2018-TUPAF06
Fulltext from publisher: PDF;
In : 13th International Computational Accelerator Physics Conference (ICAP 2018), Key West, FL, USA, 20 - 24 Oct 2018, pp.TUPAF06
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9.
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Capture and flat-bottom losses in the CERN SPS
/ Schwarz, Markus (CERN) ; Lasheen, Alexandre (CERN) ; Papotti, Giulia (CERN) ; Repond, Joël (CERN) ; Shaposhnikova, Elena (CERN) ; Timko, Helga (CERN)
Particle losses on the flat bottom of the SPS, the last accelerator in the injector chain of the LHC at CERN, are a strong limitation for reaching the high intensities required by the high-luminosity upgrade of the LHC. Two contributions to these losses are investigated in this paper. [...]
CERN-ACC-2019-060.-
2019 - 4 p.
- Published in : 10.18429/JACoW-IPAC2019-MOPGW091
Fulltext from publisher: PDF;
In : 10th International Particle Accelerator Conference, Melbourne, Australia, 19 - 24 May 2019, pp.MOPGW091
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10.
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Flat-bottom instabilities in the CERN SPS
/ Schwarz, Markus (CERN) ; Iliakis, Konstantinos (CERN) ; Lasheen, Alexandre (CERN) ; Papotti, Giulia (CERN) ; Repond, Joël (CERN) ; Shaposhnikova, Elena (CERN) ; Timko, Helga (CERN)
At intensities of $2.6 \times 10^{11}$ protons per bunch (ppb), required at SPS injection for the High Luminosity LHC beam, longitudinal instabilities can degrade the beam quality delivered by the SPS, the LHC injector at CERN. In this paper, we concentrate on beam instability at flat bottom. [...]
CERN-ACC-2019-106.-
2019 - 4 p.
- Published in : 10.18429/JACoW-IPAC2019-WEPTS049
Fulltext from publisher: PDF;
In : 10th International Particle Accelerator Conference, Melbourne, Australia, 19 - 24 May 2019, pp.WEPTS049
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