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2025-02-08
09:25
Radiative b-hadron decays at LHCb / Lobo Salvia, Aniol (Barcelona U.) /LHCb Collaboration
Radiative b-hadron decays are an instance of rare decays that occur through flavor changing neutral currents (FCNC). They are suppressed in the standard model (SM) of particle physics. [...]
2025 - 6 p. - Published in : PoS ICHEP2024 (2025) 410 Fulltext: PDF;
In : 42nd International Conference on High Energy Physics (ICHEP 2024), Prague, Czech Republic, 18 - 24 Jul 2024, pp.410

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2025-02-08
09:25
Absolute beam current measurement for slow extracted beams at CERN's North Area facility / Tan, Jocelyn (CERN) ; Schmidl, Frank (U. Jena (main)) ; Khatri, Ghanshyambhai (CERN) ; Crescimbeni, Lorenzo (U. Jena (main) ; Darmstadt, GSI) ; Schwickert, Marcus (Darmstadt, GSI) ; McLean, Mark (CERN) ; Sieber, Thomas (Darmstadt, GSI) ; Stoehlker, Thomas (Darmstadt, GSI ; Helmholtz Inst., Jena) ; Koettig, Torsten (CERN) ; Tympel, Volker (Helmholtz Inst., Jena ; Darmstadt, GSI)
The North Area facility (NA), built in the 1970s at CERN, hosts several secondary beam lines for a large variety of physics experiments: Neutrino Platform, Dark matter, high energy physics, R&D;, detector validation etc. 400 GeV/c primary proton beams, extracted from the SPS ring, are split along the transfer lines to fire on 4 targets and serve the users with secondary particles such as e-, e+, muons, pions, hadrons, kaons... [...]
2024 - 4 p. - Published in : JACoW IBIC 2024 (2024) THP11 Fulltext: PDF;
In : 13th International Beam Instrumentation Conference (IBIC 2024), Beijing, China, 9-13 Sep 2024, pp.THP11

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2025-02-08
09:25
Status and prospects of the LHCf experiment / LHCf Collaboration
The Large Hadron Collider forward (LHCf) experiment at the Large Hadron Collider (LHC) measures neutral particle production in the very forward region of proton-proton and proton-ion collisions, aiming to improve hadronic interaction models (HIMs) used in ultra-high-energy cosmic ray (UHECR) simulations. This paper presents recent experimental activities of LHCf. [...]
2024 - 7 p. - Published in : PoS ICHEP2024 (2025) 687 Fulltext: PDF;
In : 42nd International Conference on High Energy Physics (ICHEP 2024), Prague, Czech Republic, 18 - 24 Jul 2024, pp.687

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2025-02-08
09:25
First results with a Base Band Tune (BBQ) measurement system at Solaris / Gasior, Marek (CERN) ; Wawrzyniak, Adriana (Unlisted, PL) ; Szczepaniak, Mateusz (Unlisted, PL) ; Panas, Roman (Unlisted, PL)
All CERN circular accelerators are equipped with Base Band Tune (BBQ) measurement systems, based on the direct diode detection technique, allowing to measure the tunes of hadron beams by employing their residual betatron oscillations or very small external excitation. In the framework of the Future Circular Collider (FCC) project, a study was launched to optimise such a system for operation with short electron bunches. [...]
2024 - 5 p. - Published in : JACoW IBIC 2024 (2024) THP59 Fulltext: PDF;
In : 13th International Beam Instrumentation Conference (IBIC 2024), Beijing, China, 9-13 Sep 2024, pp.THP59

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2025-02-08
09:25
BGC monitor: first year of operation at the LHC / Zhang, Hao (Cockcroft Inst. Accel. Sci. Tech.) ; Rossi, Adriana (CERN) ; Pasquinom, C (CERN) ; Welsch, Carsten (Cockcroft Inst. Accel. Sci. Tech. ; Liverpool U.) ; Sequeiro, Cristina (CERN) ; Butti, Daniele (CERN) ; Schneider, Gerhard (CERN) ; Sidorowski, Krystian (CERN) ; Ady, Marton (CERN) ; Sameed, Muhammed (CERN) et al.
The Beam Gas Curtain (BGC) monitor was installed in the beam one of the Large Hadron Collider (LHC) during Long Shutdown 2 (LS2) and the Year-End Technical Stop (YETS) 2022. The monitor detects the fluorescence signal generated due to the interaction between the charged particle beams in the LHC and the neon atoms in the supersonic gas curtain. [...]
2024 - 3 p. - Published in : JACoW IBIC 2024 (2024) FRAC2 Fulltext: PDF;
In : 13th International Beam Instrumentation Conference (IBIC 2024), Beijing, China, 9-13 Sep 2024, pp.FRAC2

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2025-02-08
09:25
Electron bunch position determination using a high frequency button beam position monitor in the AWAKE facility / Spear, Bethany (JAI, UK) ; Pakuza, Collette (CERN) ; Wendt, Manfred (CERN) ; Krupa, Michal (CERN) ; Burrows, Philip (JAI, UK) ; Liu, Shengli (Fermilab ; TRIUMF) ; Mazzoni, Stefano (CERN) ; Lefevre, Thibaut (CERN)
The AWAKE facility uses novel proton beam-driven plasma wakefields to accelerate electron bunches over 10m of Rubidium plasma. Precise monitoring of 2 diverse beam types necessitates an electron beam position monitor (BPM) working in a frequency regime of tens of GHz. [...]
FERMILAB-CONF-24-0989-AD.- 2024 - 4 p. - Published in : JACoW IBIC 2024 (2024) TUP21 Fulltext: document - PDF; d8c1a341c77874ee9143d96ec46bdb45 - PDF; External link: Fermilab Library Server
In : 13th International Beam Instrumentation Conference (IBIC 2024), Beijing, China, 9-13 Sep 2024, pp.TUP21

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2025-02-08
09:25
New beam loss monitor ionisation chambers engineering / Schneider, Gerhard (CERN) ; Tzamarias, Dion Efstathios O (CERN) ; Gudkov, Dmitry (LBL, Berkeley) ; Veness, Raymond (CERN) ; Griffiths, Victoria (CERN) ; Bastos, Wilker (CERN) ; Vigano', William (CERN)
More than 4000 Beam Loss Monitors (BLM) systems are operating at CERN. About 93% of them are installed in the LHC machine. [...]
2024 - 3 p. - Published in : JACoW IBIC 2024 (2024) THP32 Fulltext: PDF;
In : 13th International Beam Instrumentation Conference (IBIC 2024), Beijing, China, 9-13 Sep 2024, pp.THP32

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2025-02-08
09:25
Lambda baryon production in heavy-ion collisions at the NA61/SHINE experiment / Balkova, Yuliia (Silesia U.) /NA61/SHINE Collaboration
Strangeness production in heavy-ion collisions is a longstanding and actively researched topic, offering crucial insights into the properties of strongly interacting matter. The NA61/SHINE experiment at CERN SPS North Area is one of the leading experiments in this field, focusing on measuring hadron production in a wide range of collision energies and system sizes.This talk emphasizes the significance of measuring strangeness production with respect to the onset of deconfinement. [...]
2024 - 6 p. - Published in : PoS ICHEP2024 (2025) 584 Fulltext: PDF;
In : 42nd International Conference on High Energy Physics (ICHEP 2024), Prague, Czech Republic, 18 - 24 Jul 2024, pp.584

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2025-02-08
09:25
Recent studies of pentaquarks at LHCb / Ren, Zan (Beijing, GUCAS) /LHCb Collaboration
Studying the properties and behavior of pentaquarks deepens our understanding of quantum chromodynamics (QCD) and the strong interactions. The LHCb experiment, with a large heavy-flavor dataset and detector performance optimized for beauty and charm hadron studies, is uniquely positioned to explore the properties of heavy-flavor pentaquark states. [...]
2024 - 6 p. - Published in : PoS ICHEP2024 (2025) 502 Fulltext: PDF;
In : 42nd International Conference on High Energy Physics (ICHEP 2024), Prague, Czech Republic, 18 - 24 Jul 2024, pp.502

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2025-02-08
09:25
A new source type of galactic cosmic rays / Sinitsyna, V G (Lebedev Inst.) ; Sinitsyna, V Y (Lebedev Inst.) ; Stozhkov, Yu I (Lebedev Inst.)
Experimental data of PAMELA and AMS-02 on proton and helium spectra at high and very high energies as well as the excess of 10 - 300 GeV positron flux cannot be explained using the diffusive models of propagation of cosmic-rays accelerated at the supernova shocks and require the existence of nearby sources of cosmic rays at the distances less than one kpc. We consider active dwarf stars as possible sources of galactic cosmic rays in the energy range up to $\sim$ 10$^{14}$ eV. [...]
2020 - 4 p. - Published in : J. Phys. : Conf. Ser. 1468 (2020) 012082 Fulltext: PDF;
In : 16th International Conference on Topics in Astroparticle and Underground Physics, Toyama, Japan, 9 - 13 Sep 2019, pp.012082

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