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Strong enhancement of electromagnetic shower development induced by high-energy photons in a thick oriented tungsten crystal
/ Soldani, M. (INFN, Ferrara ; Ferrara U.) ; Bandiera, L. (INFN, Ferrara) ; Moulson, M. (Frascati) ; Ballerini, G. (INFN, Milan ; Catania U.) ; Baryshevsky, V.G. (Belarus State U.) ; Bomben, L. (INFN, Milan ; Catania U.) ; Brizzolari, C. (Catania U. ; INFN, Milan) ; Charitonidis, N. (CERN) ; D'Alessandro, G.L. (CERN) ; De Salvador, D. (INFN, Legnaro ; Padua U.) et al.
We have observed a significant enhancement in the energy deposition by $25$--$100~\mathrm{GeV}$ photons in a $1~\mathrm{cm}$ thick tungsten crystal oriented along its $\langle 111 \rangle$ lattice axes. At $100~\mathrm{GeV}$, this enhancement, with respect to the value observed without axial alignment, is more than twofold. [...]
arXiv:2203.07163.-
2023-01-31 - 8 p.
- Published in : Eur. Phys. J. C 83 (2023) 101
Fulltext: 2203.07163 - PDF; Publication - PDF;
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Muon detection in electron-positron annihilation for muon collider studies
/ LEMMA Collaboration
The investigation of the energy frontier in physics requires novel concepts for future colliders. The idea of a muon collider is very appealing since it would allow to study particle collisions at up to tens of TeV energy, while offering a cleaner experimental environment with respect to hadronic colliders. [...]
arXiv:2105.12624.-
2022-02-01 - 22 p.
Fulltext: PDF;
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Monitored beams for high-precision neutrino flux determination: The ENUBET project
/ Brizzolari, C (INFN, Milan Bicocca ; Milan Bicocca U.) ; Acerbi, F (Fond. Bruno Kessler, Povo) ; Ballerini, G (INFN, Milan Bicocca ; Insubria U., Como) ; Berra, A (INFN, Milan Bicocca ; Insubria U., Como) ; Bonesini, M (INFN, Milan Bicocca) ; Branca, A (INFN, Padua ; Padua U.) ; Brunetti, G (INFN, Padua) ; Calviani, M (CERN) ; Capelli, S (INFN, Milan Bicocca ; Insubria U., Como) ; Carturan, S (INFN, Legnaro) et al.
The knowledge of initial flux, energy and flavour of current neutrino beams is currently the main limitation for a precise measurement of neutrino crosssections. The ENUBET ERC project (2016–2021) is studying a facility based on a narrow-band neutrino beam capable of constraining the neutrino flux normalization through the monitoring of the associated charged leptons in an instrumented decay tunnel. [...]
2020 - 6 p.
- Published in : Nuovo Cimento C 43 (2020) 56
Fulltext: PDF;
In : 18th Incontri di Fisica delle Alte Energie, Naples, Italy, 8 - 10 April 2019, pp.56
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The ENUBET Project. A high precision narrow-band neutrino beam
/ Brunetti, G (INFN, Padua) ; Acerbi, F (Fond. Bruno Kessler, Trento ; TIFPA-INFN, Trento) ; Ballerini, G (Insubria U., Como ; INFN, Milan Bicocca) ; Bonesini, M (INFN, Milan Bicocca) ; Branca, A (INFN, Padua ; Padua U.) ; Brizzolari, C (INFN, Milan Bicocca ; Milan Bicocca U.) ; Capelli, S (Insubria U., Como ; INFN, Milan Bicocca) ; Carturan, S (INFN, Legnaro) ; Catanesi, M G (INFN, Bari) ; Cecchini, S (INFN, Bologna) et al.
The knowledge of initial flux, energy and flavor of neutrino beams is currently the main limitation for a precise measurement of neutrino cross sections. The ENUBET project is studying a facility based on a narrow band neutrino beam capable of constraining the neutrino fluxes normalization through the monitoring of the associated charged leptons in an instrumented decay tunnel. [...]
SISSA, 2020 - 7 p.
- Published in : PoS EPS-HEP2019 (2020) 387
Fulltext from publisher: PDF;
In : European Physical Society Conference on High Energy Physics (EPS-HEP) 2019, Ghent, Belgium, 10 - 17 Jul 2019, pp.387
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A study of muon-electron elastic scattering in a test beam
/ MUonE Collaboration
In 2018, a test run with muons in the North Area at CERN was performed, running parasitically downstream of the COMPASS spectrometer. The aim of the test was to investigate the elastic interactions of muons on atomic electrons, in an experimental configuration similar to the one proposed by the project MUonE, which plans to perform a very precise measurement of the differential cross-section of the elastic interactions. [...]
arXiv:2102.11111.-
2021-06-11 - 14 p.
- Published in : JINST 16 (2021) P06005
Fulltext: document - HTM; 2102.11111 - PDF; Fulltext from publisher: PDF; External link: Fulltext
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Silicon Photomultipliers for the decay tunnel instrumentation of the ENUBET neutrino beam
/ Pozzato, M (INFN, Bologna) ; Acerbi, F (TIFPA-INFN, Trento ; Fond. Bruno Kessler, Povo) ; Ballerini, G (Insubria U., Como ; INFN, Milan Bicocca) ; Berra, A (Insubria U., Como ; INFN, Milan Bicocca) ; Bonesini, M (INFN, Milan Bicocca) ; Branca, A (INFN, Padua ; Turin U.) ; Brizzolari, C (INFN, Milan Bicocca ; Milan Bicocca U.) ; Brunetti, G (INFN, Padua) ; Calviani, M (CERN) ; Capelli, S (Insubria U., Como ; INFN, Milan Bicocca) et al.
The goal of the ENUBET project is to demonstrate that a precision of ∼1% on measurement of the absolute neutrino cross section at GeV scale can be achieved by monitoring the positron production in the decay tunnel coming from the three-body semileptonic decays of kaons. The baseline option for the tunnel instrumentation employs a fine-grained shashlik calorimeter with a 4.3 X 0 longitudinal segmentation to separate positrons and pions coming from other decay modes of kaons. [...]
2020 - 5 p.
- Published in : Nucl. Instrum. Methods Phys. Res., A 983 (2020) 164482
Fulltext from Publisher: PDF;
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Status of the ENUBET Project
/ Terranova, Francesco ; Acerbi, F ; Ballerini, G ; Berra, A ; Bonesini, M ; Brancaj, A ; Brizzolari, C ; Brunetti, G ; Calviani, M ; Capelli, S et al.
The ENUBET Collaboration is designing the first ``monitored neutrino beam'': a beam with an unprecedented control of the flux, energy and flavor of neutrinos at source. In particular, ENUBET monitors the $\nu_e$ production mostly by the detection of large angle positrons from three body semileptonic decays of kaons: $K^+ \rightarrow e^+ \pi^0 \nu_e$. [...]
SISSA, 2020 - 5 p.
- Published in : PoS NuFact2019 (2020) 121
Fulltext: PDF;
In : The 21st International Workshop on Neutrinos from Accelerators, Daegu, Republic Of Korea, 26 - 31 Aug 2019, pp.121
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LEMMA approach for the production of low-emittance muon beams
/ Amapane, N (U. Rome La Sapienza (main)) ; Antonelli, M (Frascati) ; Anulli, F (INFN, Rome) ; Ballerini, G (U. Rome La Sapienza (main)) ; Bandiera, L (INFN, Ferrara) ; Bartosik, N (INFN, Turin) ; Bertolin, A (INFN, Padua) ; Biino, C (INFN, Turin) ; Blanco-Garcia, O R (Frascati) ; Boscolo, M (Frascati) et al.
This work introduces an experimental test of the new proposal for a low–emittance muon accelerator (LEMMA). A low–emittance muon beam is obtained from the e$^+$ e$^-$ → μ$^+$ μ$^-$ annihilation process at the threshold energy of 45 GeV eliminating the need for a dedicated muon cooling system. [...]
Sif, 2020 - 7 p.
- Published in : Nuovo Cimento C 42 (2020) 259
In : XXXIII Rencontres de Physique de La Vallée d'Aoste, La Thuile, Aosta Valley, Italy, 10 - 16 Mar 2019, pp.259
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Status of the ENUBET project
/ Brunetti, Giulia (INFN, Padua) ; Acerbi, F (Fond. Bruno Kessler, Trento ; TIFPA-INFN, Trento) ; Ballerini, G (Insubria U., Como ; INFN, Milan Bicocca) ; Bonesini, M (INFN, Milan Bicocca) ; Brizzolari, C (Insubria U., Como ; INFN, Milan Bicocca) ; Calviani, M (CERN) ; Carturan, S (INFN, Legnaro) ; Catanesi, M G (INFN, Bari) ; Cecchini, S (INFN, Bologna) ; Cindolo, F (INFN, Bologna) et al.
The ENUBET project is studying a narrow band neutrino beam where lepton production can be monitored at single particle level in an instrumented decay tunnel and that could provide a 1% measurement of the neutrino flux at source. The three body semi-leptonic decay of kaons monitored by large angle positron production offers a fully controlled $\nu_{e}$ source at the GeV scale for a new generation of short baseline experiments [...]
SISSA, 2019 - 4 p.
- Published in : PoS NuFACT2018 (2019) 122
Published fulltext: PDF;
In : 20th International Workshop on Neutrinos from Accelerators NuFACT 2018, Blacksburg, Virginia, United States Of America, 12 - 18 Aug 2018, pp.122
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