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Lepton reconstruction in the ENUBET tagger
/ ENUBET Collaboration
The ENUBET project aims at demonstrating the feasibility of a monitored neutrino beam in which the measurement of associated charged leptons in the instrumented decay region of a conventional beam is used to constrain the neutrino flux to unprecedented precision ($\mathcal{O}$(1\%)). Large angle muons and positrons from kaon decays are detected on the decay tunnel walls equipped with a sampling calorimeter with longitudinal, radial and azimuthal segmentation. [...]
Trieste : SISSA, 2022 - 5 p.
- Published in : PoS NuFact2021 (2022) 025
Fulltext: PDF;
In : 22nd International Workshop on Neutrinos from Accelerators, Cagliari, Italy, 6 - 11 Sep 2021, pp.025
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Development and optimization of the ENUBET beamline
/ Pari, Michelangelo (INFN, Padua ; Padua U.) ; Acerbi, F (Fond. Bruno Kessler, Trento ; TIFPA-INFN, Trento) ; Angelis, I (Aristotle U., Thessaloniki) ; Bonesini, M (INFN, Milan Bicocca) ; Bramati, F (INFN, Milan Bicocca ; Milan Bicocca U.) ; Branca, A (INFN, Milan Bicocca ; Milan Bicocca U.) ; Brizzolari, C (INFN, Milan Bicocca ; Milan Bicocca U.) ; Brunetti, G (INFN, Milan Bicocca ; Milan Bicocca U.) ; Calviani, M (CERN) ; Capelli, S (Insubria U., Como ; INFN, Milan Bicocca) et al.
The ENUBET experiment (NP06/ENUBET at CERN) has the goal of proving the concept of a "monitored neutrino beam", for a superior knowledge of the produced neutrino flux and high-precision cross-section measurement. To achieve this, an instrumented decay tunnel will be used in order to directly monitor the products of the neutrino production vertices. [...]
Trieste : SISSA, 2022 - 6 p.
- Published in : PoS NuFact2021 (2022) 028
Fulltext: PDF;
In : 22nd International Workshop on Neutrinos from Accelerators, Cagliari, Italy, 6 - 11 Sep 2021, pp.028
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The ENUBET Multi Momentum Secondary Beamline Design
/ Parozzi, Elisabetta G (CERN ; Milan Bicocca U. ; INFN, Milan) ; Brunetti, Giulia (Milan Bicocca U.) ; Charitonidis, Nikolaos (CERN) ; Longhin, Andrea (INFN, Padua ; Padua U.) ; Pari, Michelangelo (INFN, Padua ; Padua U.) ; Pupilli, Fabio (INFN, Padua) ; Terranova, Francesco (INFN, Milan ; Milan Bicocca U.)
The aim of neutrino physics for the next decades is to detect effects due to CP violation, mass hierarchy, and search for effects beyond the Standard Model predictions. Future experiments need precise measurements of the neutrino interaction cross-sections at the ~GeV/c regime, currently limited by the exact knowledge of the initial neutrino flux on a ~10-20% uncertainty level. [...]
Geneva : JACoW, 2021 - 4 p.
- Published in : JACoW IPAC 2021 (2021) 3053-3056
Fulltext: PDF;
In : 12th International Particle Accelerator Conference (IPAC 2021), Online, 24 - 28 May 2021, pp.3053-3056
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Design and Diagnostics of High-Precision Accelerator Neutrino Beams
/ Charitonidis, Nikolaos (CERN) ; Longhin, Andrea (INFN, Padua ; Padua U.) ; Pari, Michelangelo (CERN ; INFN, Padua ; Padua U.) ; Parozzi, Elisabetta Giulia (CERN ; INFN, Milan Bicocca ; Milan Bicocca U.) ; Terranova, Francesco (INFN, Milan Bicocca ; Milan Bicocca U.)
Neutrino oscillation physics has entered a new precision era, which poses major challenges to the level of control and diagnostics of the neutrino beams. In this paper, we review the design of high-precision beams, their current limitations, and the latest techniques envisaged to overcome such limits. [...]
arXiv:2103.07726.-
2021-02-11 - 41 p.
- Published in : Appl. Sciences 11 (2021) 1644
Fulltext: fulltext1847005 - PDF; 2103.07726 - PDF;
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Demonstration of slow extraction loss reduction with the application of octupoles at the CERN Super Proton Synchrotron
/ Fraser, Matthew Alexander (CERN) ; Goddard, Brennan (CERN) ; Kain, Verena (CERN) ; Pari, Michelangelo (CERN) ; Velotti, Francesco Maria (CERN) ; Stoel, Linda Susanne (CERN ; Vienna, Tech. U.) ; Benedikt, Michael (CERN ; Vienna, Tech. U.)
The powering of octupoles during third-integer resonant slow extraction has been studied and recently tested with the beam at the CERN Super Proton Synchrotron (SPS) in order to increase the extraction efficiency and reduce the induced radioactivity along the extraction straight. The octupoles distort the particle trajectories in phase space in such a way that the extracted separatrix is folded, which decreases the particle density impinging the wires of the extraction septum at the expense of increasing the extracted beam emittance. [...]
2019 - 17 p.
- Published in : Phys. Rev. Accel. Beams 22 (2019) 123501
Fulltext: PDF;
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Crystal for slow extraction loss-reduction of the SPS electrostatic septum
/ Esposito, Luigi Salvatore (CERN) ; Addesa, Francesca (INFN, Rome) ; Afonin, Alexander (Serpukhov, IHEP) ; Bestman, Patrick (CERN) ; Borg, Johan (Imperial Coll., London) ; Butcher, Mark (CERN) ; Calviani, Marco (CERN) ; Chesnokov, Yuri (Serpukhov, IHEP) ; Denisov, Alexander (St. Petersburg, INP) ; Di Castro, Mario (CERN) et al.
The use of a bent crystal was investigated in order to reduce the losses at the CERN Super Proton Synchrotron (SPS) electrostatic septum (ZS) during the slow extraction of 400 GeV/c protons toward the North Area. The crystal, installed a few meters upstream of the ZS, bends protons that would otherwise impinge on the ZS wires. [...]
CERN-ACC-2019-179.-
2019 - 4 p.
- Published in : 10.18429/JACoW-IPAC2019-WEPMP028
Fulltext from publisher: PDF;
In : 10th International Particle Accelerator Conference, Melbourne, Australia, 19 - 24 May 2019, pp.WEPMP028
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Model and measurements of CERN-SPS slow extraction spill re-shaping - the burst mode slow extraction
/ Pari, Michelangelo (Padua U. ; INFN, Padua ; CERN) ; Fraser, Matthew (CERN) ; Goddard, Brennan (CERN) ; Kain, Verena (CERN) ; Stoel, Linda (CERN) ; Velotti, Francesco (CERN)
The ENUBET (Enhanced NeUtrino BEams from kaon Tagging) Project aims at reaching a new level of precision of the short-baseline neutrino cross section measurement by using an instrumented decay tunnel. The North Area (NA) experimental facility of the CERN Super Proton Synchrotron (SPS) offers the required infrastructure for the experiment. [...]
CERN-ACC-2019-101.-
2019 - 4 p.
- Published in : 10.18429/JACoW-IPAC2019-WEPMP035
Fulltext from publisher: PDF;
In : 10th International Particle Accelerator Conference, Melbourne, Australia, 19 - 24 May 2019, pp.WEPMP035
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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; CERN-ACC-2019-199.-
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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10.
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Demonstration of loss reduction using a thin bent crystal to shadow an electrostatic septum during resonant slow extraction
/ Velotti, Francesco (CERN) ; Addesa, Francesca (INFN, Rome) ; Afonin, Alexander (Serpukhov, IHEP) ; Bestmann, Patrick (CERN) ; Borg, Johan (Imperial Coll., London) ; Butcher, Mark (CERN) ; Calviani, Marco (CERN) ; Chesnokov, Yuri (Serpukhov, IHEP) ; Denisov, Alexander (St. Petersburg, INP) ; Di Castro, Mario (CERN) et al.
A proof-of-principle experiment demonstrating the feasibility of using a thin, bent crystal aligned upstream of an extraction septum (ES) to increase the efficiency of the third-integer resonant slow extraction process has been carried out at the CERN Super Proton Synchrotron (SPS). With the primary aim of reducing the beam loss and induced radio-activation of the SPS, the crystal was aligned to both the beam and the septum to reduce by up to 40% the beam intensity impinging the ES and increase the intensity entering the external transfer line. [...]
CERN-ACC-2019-218.-
2019 - 5 p.
- Published in : 10.18429/JACoW-IPAC2019-THXXPLM2
Fulltext from publisher: PDF;
In : 10th International Particle Accelerator Conference, Melbourne, Australia, 19 - 24 May 2019, pp.THXXPLM2
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