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Optics rematching between TT24 and P42 primary beam lines within the HI-ECN3 study project at CERN
/ Gorn, Aleksandr (CERN) ; Bracco, Chiara (CERN) ; Velotti, Francesco (CERN) ; Bernhard, Johannes (CERN) ; Nevay, Laurence (CERN) ; Dyks, Luke (Oxford U.) ; Fraser, Matthew (CERN)
The High Intensity ECN3 (HI-ECN3) study project aims to increase the intensity of the proton beam delivered to a new experimental facility housed in the ECN3 underground cavern in CERN’s North Area up to the ~4e+13 ppp (protons per pulse) and up to ~4e+19 POT (protons on target) per year. The increase necessitates upgrades of the primary beam transfer lines coming from SPS directly to the new Target Complex upstream of ECN3. [...]
2024 - 4 p.
- Published in : JACoW IPAC 2024 (2024) TUPC71
Fulltext: PDF;
In : 15th International Particle Accelerator Conference (IPAC 2024), Nashville, TN, United States, 19 - 24 May 2024, pp.TUPC71
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Secondary beam line efficiency studies at the CERN PS East Experimental Area
/ Parozzi, Elisabetta (CERN) ; Banerjee, Dipanwita (CERN) ; Baratto Roldan, Anna (CERN) ; Bernhard, Johannes (CERN) ; Brugger, Markus (CERN) ; Charitonidis, Nikolaos (CERN) ; Dyks, Luke (CERN) ; Gatignon, Laurent (CERN) ; Goillot, Alice (CERN) ; Jebramcik, Marc (CERN) et al.
The East Area at the Proton Synchrotron has undergone extensive renovations, marking a significant milestone in its more than 55-year history as one of CERN’s enduring facilities for experiments, beam tests, and irradiation. This facility, which serves over 20 user teams for about 200 days annually, now boasts an enhanced infrastructure to cater to future beam test and physics requirements. [...]
2024 - 4 p.
- Published in : JACoW IPAC 2024 (2024) TUPC52
Fulltext: PDF;
In : 15th International Particle Accelerator Conference (IPAC 2024), Nashville, TN, United States, 19 - 24 May 2024, pp.TUPC52
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Reflectivity Studies and Production of New Flat Mirrors for the Cherenkov Threshold Detectors at CERN
/ Buesa Orgaz, Jan (CERN) ; Van Dijk, Maarten (CERN) ; Banerjee, Dipanwita (CERN) ; Bernhard, Johannes (CERN) ; Brugger, Markus (CERN) ; Charitonidis, Nikolaos (CERN) ; Ebn Rahmoun, Aboubakr (CERN) ; Lazzaroni, Michael (CERN) ; Marchand, Vincent (CERN) ; Ortega Ruiz, Inaki (CERN) et al.
Cherenkov threshold detectors (XCET) are used for identifying particles in the experimental areas at CERN. These detectors observe Cherenkov light emitted by charged particles travelling inside a pressurized gas vessel. [...]
arXiv:2407.18617.-
2024-07-01 - 4 p.
- Published in : JACoW IPAC 2024 (2024) 2434-2437
Fulltext: 2407.18617 - PDF; document - PDF;
In : 15th International Particle Accelerator Conference (IPAC 2024), Nashville, TN, United States, 19 - 24 May 2024, pp.2434-2437
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Background mitigation concepts for SUPER-NaNu
/ Stummer, Florian Wolfgang (University of London (GB)) ; Andersen, Emily Marie (University of Bergen (NO)) ; Banerjee, Dipanwita (CERN) ; Baratto Roldan, Anna (CERN) ; Bernhard, Johannes (CERN) ; Boogert, Stewart Takashi (University of Manchester (GB)) ; Brugger, Markus (CERN) ; Charitonidis, Nikolaos (CERN) ; Dyks, Luke Aidan (University of Oxford (GB)) ; Gatignon, Lau (Lancaster University (GB)) et al.
Super-NaNu is a proposed neutrino experiment as part of the SHADOWS proposal for the high intensity facility ECN3 in CERN’s North Area. It aims to detect neutrino interactions downstream of a beam-dump that is exposed to a 400 GeV/c high intensity proton beam from the SPS. [...]
CERN-PBC-CONF-2024-006.-
Geneva : CERN, 2024 - 4.
- Published in : JACoW IPAC2024 (2024) TUPC63
Fulltext: TUPC63 Published - PDF; TUPC63 - PDF;
In : 15th International Particle Accelerator Conference (IPAC 2024)
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Beam loss studies for the P42 beamline at the CERN SPS North Area
/ Dyks, Luke Aidan (University of Oxford (GB)) ; Ahdida, Claudia (CERN) ; Banerjee, Dipanwita (CERN) ; Baratto Roldan, Anna (CERN) ; Bernhard, Johannes (CERN) ; Brugger, Markus (CERN) ; Charitonidis, Nikolaos (CERN) ; Fraser, Matthew Alexander (CERN) ; Gatignon, Lau (Lancaster University (GB)) ; Goillot, Alice Marie (CERN) et al.
The P42 beamline transports 400 GeV protons from the CERN SPS between the T4 and T10 targets. A secondary particle beam is produced at the T10 target and transported along the K12 beamline to the experimental cavern ECN3, presently housing the NA62 experiment. [...]
CERN-PBC-CONF-2024-005.-
Geneva : CERN, 2024 - 4.
- Published in : JACoW IPAC2024 (2024) TUPC73
Fulltext: PDF;
In : 15th International Particle Accelerator Conference (IPAC 2024)
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Characterisation of the optics of the TT24 and P42 beamlines in the CERN SPS North Area
/ Dyks, Luke Aidan (University of Oxford (GB)) ; Banerjee, Dipanwita (CERN) ; Baratto Roldan, Anna (CERN) ; Bernhard, Johannes (CERN) ; Brugger, Markus (CERN) ; Charitonidis, Nikolaos (CERN) ; Fraser, Matthew Alexander (CERN) ; Gatignon, Lau (Lancaster University (GB)) ; Goillot, Alice Marie (CERN) ; Gorn, Aleksandr (CERN) et al.
400 GeV protons extracted from the CERN SPS are transported to the T4 target via the TT20 transfer line. The P42 beamline then transports the protons that did not interact in the T4 target to the T10 target. [...]
CERN-PBC-CONF-2024-004.-
Geneva : CERN, 2024 - 4.
- Published in : JACoW IPAC2024 (2023) TUPC74
Fulltext: PDF;
In : 15th International Particle Accelerator Conference (IPAC 2024)
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First search for $K^+ \to \pi^0 \pi \mu e$ decays
/ NA62 Collaboration
The first search for the lepton number violating decay $K^+ \to \pi^0 \pi^- \mu^+ e^+$ and lepton flavour violating decays $K^+ \to \pi^0 \pi^+ \mu^- e^+$, $K^+ \to \pi^0 \pi^+ \mu^+ e^-$ has been performed using a dataset collected by the NA62 experiment at CERN in 2016–2018. Upper limits of $2.9\times 10^{-10}$, $3.1 \times 10^{-10}$ and $5.0 \times 10^{-10}$, respectively, are obtained at 90% CL for the branching ratios of the three decays on the assumption of uniform phase-space distributions..
arXiv:2409.12981; CERN-EP-2024-224.-
Geneva : CERN, 2024-11-12 - 9 p.
- Published in : Phys. Lett. B 859 (2024) 139122
Draft (restricted): PDF; Fulltext: CERN-EP-2024-224 - PDF; 2409.12981 - PDF; Publication - PDF;
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Absolute calibration of BSI monitors in the SPS North Area at CERN
/ Parsons França, Luana (CERN ; Liverpool U. ; Cockcroft Inst. Accel. Sci. Tech.) ; Welsch, Carsten (Liverpool U. ; Cockcroft Inst. Accel. Sci. Tech.) ; Ahdida, Claudia (CERN) ; Ravotti, Federico (CERN) ; Roncarolo, Federico (CERN) ; Philippon, Florent (CERN) ; Pezzullo, Giuseppe (CERN) ; Zhang, H D (Liverpool U. ; Cockcroft Inst. Accel. Sci. Tech.) ; Bernhard, Johannes (CERN) ; Van Dijk, Maarten (CERN) et al.
Developments in current and future experiments in the SPS North Area (NA) and PS East Area (EA) fixed target beam lines at CERN, including the “Physics Beyond Colliders” (PBC) program, require accurate determination of the number of protons on target (POT). The re-calibration of Beam Secondary Emission Intensity monitors (BSI), recently completed in one of the NA branches, reduced the estimated uncertainty on the absolute POT to a few percent. [...]
2023 - 4 p.
- Published in : JACoW IPAC 2023 (2023) THPL061
Fulltext: PDF;
In : 14th International Particle Accelerator Conference (IPAC 2023), Venice, Italy, 7 - 12 May 2023, pp.THPL061
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Kaon beam simulations employing conventional hadron beam concepts and the RF separation technique at the CERN M2 beamline for the future AMBER experiment
/ Metzger, Fabian (CERN ; Bonn U., HISKP) ; Gerbershagen, Alexander (Groningen, KVI) ; Baratto Roldan, Anna (CERN) ; Rae, Bastien (CERN) ; Ketzer, Bernhard (Bonn U., HISKP) ; Mussolini, Carlo Alberto (CERN ; Oxford U. ; JAI, UK) ; Banerjee, Dipanwita (CERN) ; Parozzi, Elisabetta (CERN) ; Stummer, Florian (CERN ; Royal Holloway, U. of London ; JAI, UK) ; Bernhard, Johannes (CERN) et al.
The future AMBER experiment aims to measure the inner structure and the excitation spectra of kaons with a high intensity kaon beam at the CERN secondary beam line M2. One way to identify the small fraction of kaons in the available beam is tagging with the help of differential Cherenkov detectors (CEDARs), whose detection efficiency depends critically on the beam parallelism. [...]
2023 - 4 p.
- Published in : JACoW IPAC 2023 (2023) TUPM070
Fulltext: PDF;
In : 14th International Particle Accelerator Conference (IPAC 2023), Venice, Italy, 7 - 12 May 2023, pp.TUPM070
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