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Advancements in experimental techniques for measuring dipole moments of short-lived particles at the LHC
/ Neri, N (INFN, Milan ; Milan U. ; CERN) ; Akiba, K (NIKHEF, Amsterdam) ; Alessio, F (CERN) ; Bandiera, L (INFN, Ferrara) ; Benettoni, M (INFN, Padua ; Padua U.) ; Cai, R (CERN) ; Cardinale, R (Genoa U.) ; Cesare, S (INFN, Milan ; Milan U.) ; Citterio, M (INFN, Milan ; Milan U.) ; Coco, V (CERN) et al.
ALADDIN is a proposed fixed-target experiment at the LHC for the direct measurement of charm baryon dipole moments. The detector features a spectrometer and a Cherenkov detector, while the experimental technique is based on the phenomena of particle channelling and spin precession in bent crystals. [...]
2024 - 5 p.
- Published in : Nucl. Instrum. Methods Phys. Res., A 1069 (2024) 169875
Fulltext: PDF;
In : 16th Pisa Meeting on Advanced Detectors (Pisameet 2024), La Biodola, Isola D'elba, Italy, 26 May - 1 Jun 2024, pp.169875
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Acceleration of electromagnetic shower development and enhancement of light yield in oriented scintillating crystals
/ Soldani, Mattia (Frascati) ; Monti-Guarnieri, Pietro (INFN, Trieste ; Trieste U.) ; Selmi, Alessia (Insubria U., Como ; Milan Bicocca U.) ; Argiolas, Nicola (Padua U. ; INFN, Legnaro) ; Bomben, Luca (Insubria U., Como ; Milan Bicocca U.) ; Brizzolari, Claudia (Insubria U., Como ; Milan Bicocca U.) ; Canale, Nicola (INFN, Ferrara) ; Carsi, Stefano (Insubria U., Como ; Milan Bicocca U.) ; Charitonidis, Nikolaos (CERN) ; De Salvador, Davide (Padua U. ; INFN, Legnaro) et al.
We observed a substantial increase of the scintillation light output of lead tungstate (PbWO$_4$) at a small incidence angle with respect to two main lattice axes. [...]
arXiv:2404.12016.
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6 p.
Fulltext
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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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Limits on antiproton-nuclei annihilation cross sections at ∼125 keV
/ Aghai-Khozani, H (Munich, Max Planck Inst. Quantenopt.) ; Barna, D (Wigner RCP, Budapest ; CERN) ; Corradini, M (Brescia U. ; INFN, Pavia) ; De Salvador, D (Padua U. ; INFN, Legnaro) ; Hayano, R S (Tokyo U.) ; Hori, M (Munich, Max Planck Inst. Quantenopt.) ; Leali, M (Brescia U. ; INFN, Pavia) ; Lodi-Rizzini, E (Brescia U. ; INFN, Pavia) ; Mascagna, V (Brescia U. ; INFN, Pavia ; Insubria U., Como) ; Prest, M (Insubria U., Como ; INFN, Milan Bicocca) et al.
Some experimental limits on the annihilation cross sections $σ_{\textrm{ann}}$ of antiprotons on carbon, palladium, and platinum targets were determined at the previously unexplored kinetic energy region E≈125 keV. Information on $σ_{\textrm{ann}}$ at such low antiproton energies is important in understanding the dynamics of the annihilation process, and provides useful data for models that attempt to describe the matter-antimatter asymmetry in the universe by assuming the existence of islands of antimatter concentration..
2021 - 17 p.
- Published in : Nucl. Phys. A 1009 (2021) 122170
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Investigation on steering of ultrarelativistic $e^{\pm}$ beam through an axially oriented bent crystal
/ Bandiera, L. (INFN, Ferrara) ; Kyryllin, I.V. (Kharkov, KIPT ; Kharkov Natl. U.) ; Brizzolari, C. (Insubria U., Como ; INFN, Milan Bicocca) ; Camattari, R. (INFN, Ferrara ; Ferrara U.) ; Charitonidis, N. (CERN) ; De Salvador, D. (INFN, Padua ; Padua U.) ; Guidi, V. (INFN, Ferrara ; Ferrara U.) ; Mascagna, V. (Insubria U., Como ; INFN, Milan Bicocca) ; Mazzolari, A. (INFN, Ferrara) ; Prest, M. (Insubria U., Como ; INFN, Milan Bicocca) et al.
An investigation on stochastic deflection of high-energy charged particles in a bent crystal was carried out. In particular, we investigated the deflection efficiency under axial confinement of both positively and negatively charged particles as a function of the crystal orientation, the choice of the bending plane, and of the charge sign. [...]
arXiv:2011.13283.-
2021-03-17 - 10 p.
- Published in : Eur. Phys. J. C 81 (2021) 238
Article from SCOAP3: PDF; Fulltext: PDF;
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The experimental setup of the Interaction in Crystals for Emission of RADiation collaboration at Mainzer Mikrotron: Design, commissioning, and tests
/ Lietti, D (Insubria U., Como) ; Backe, H (Mainz U., Inst. Kernphys.) ; Bagli, E (Ferrara U. ; INFN, Ferrara) ; Bandiera, L (Ferrara U. ; INFN, Ferrara) ; Berra, A (Insubria U., Como ; INFN, Milan Bicocca) ; Carturan, S (Padua U. ; INFN, Legnaro) ; De Salvador, D (Padua U. ; INFN, Legnaro) ; Germogli, G (Ferrara U. ; INFN, Ferrara) ; Guidi, V (Ferrara U. ; INFN, Ferrara) ; Lauth, W (Mainz U., Inst. Kernphys.) et al.
Silicon/germanium flat/bent crystals are thin devices able to efficiently deflect charged particle GeV-energy beams up to a few hundreds of μrad; moreover, high intensity photons can be efficiently produced in the so-called Multi-Volume Reflection (MVR) and Multiple Volume Reflections in One Crystal (MVROC) conditions. In the last years, the research interest in this field has moved to the dynamic studies of light negative leptons in the low energy range: the possibility to deflect negative particles and to produce high intensity γ sources via the coherent interactions with crystals in the sub-GeV energy range has been proved by the ICE-RAD (Interaction in Crystals for Emission of RADiation) Collaboration at the MAinzer MIkrotron (MAMI, Germany). [...]
AIP, 2015 - 10 p.
- Published in : Rev. Sci. Instrum. 86 (2015) 045102
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