CERN Accelerating science

CERN Document Server 2,051 εγγραφές βρέθηκαν  1 - 10επόμενοτέλος  μετάβαση στην εγγραφή: Η έρευνα πήρε 5.89 δευτερόλεπτα. 
1.
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
2.
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;
3.
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.
- 6 p.
Fulltext
4.
Strong reduction of the effective radiation length in an axially oriented scintillator crystal / Bandiera, L. (Ferrara U. ; INFN, Ferrara) ; Tikhomirov, V.V. (Minsk, Inst. Nucl. Problems) ; Romagnoni, M. (Ferrara U. ; INFN, Ferrara) ; Argiolas, N. (INFN, Padua ; Padua U.) ; Bagli, E. (Ferrara U. ; INFN, Ferrara) ; Ballerini, G. (INFN, Milan Bicocca ; Insubria U., Como) ; Berra, A. (INFN, Milan Bicocca ; Insubria U., Como) ; Brizzolani, C. (Insubria U., Como ; INFN, Milan Bicocca) ; Camattari, R. (Ferrara U. ; INFN, Ferrara) ; De Salvador, D. (INFN, Padua ; Padua U.) et al.
We measured a considerable increase of the emitted radiation by 120 GeV/c electrons in an axially oriented lead tungstate scintillator crystal, if compared to the case in which the sample was not aligned with the beam direction. This enhancement resulted from the interaction of particles with the strong crystalline electromagnetic field. [...]
arXiv:1803.10005.- 2018-07-13 - 6 p. - Published in : Phys. Rev. Lett. 121 (2018) 021603 Preprint: PDF;
5.
Experimental evidence of independence of nuclear de-channeling length on the particle charge sign / Bagli, E. (Ferrara U. ; INFN, Ferrara) ; Guidi, V. (Ferrara U. ; INFN, Ferrara) ; Mazzolari, A. (Ferrara U. ; INFN, Ferrara) ; Bandiera, L. (Ferrara U. ; INFN, Ferrara) ; Germogli, G. (Ferrara U. ; INFN, Ferrara) ; Sytov, A.I. (Ferrara U. ; INFN, Ferrara) ; De Salvador, D. (INFN, Legnaro ; Padua U.) ; Berra, A. (INFN, Milan Bicocca ; Insubria U., Como) ; Prest, M. (INFN, Milan Bicocca ; Insubria U., Como) ; Vallazza, E. (INFN, Trieste)
Under coherent interactions, particles undergo correlated collisions with the crystal lattice and their motion result in confinement in the fields of atomic planes, i.e. particle channeling. [...]
arXiv:1606.08755.- 2017-02-04 - 10 p. - Published in : Eur. Phys. J. C 77 (2017) 71 Article from SCOAP3: PDF; Preprint: PDF; External link: Preprint
6.
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
7.
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
8.
High Intensity Kaon Experiments (HIKE) at the CERN SPS: Proposal for Phases 1 and 2 / HIKE Collaboration
A timely and long-term programme of kaon decay measurements at an unprecedented level of precision is presented, leveraging the capabilities of the CERN Super Proton Synchrotron (SPS). [...]
arXiv:2311.08231 ; CERN-SPSC-2023-031 ; SPSC-P-368.
- 2023. - 147 p.
Fulltext - Fulltext
9.
Deflection of high-energy negative particles in a bent crystal through axial channeling and multiple volume reflection stimulated by doughnut scattering / Taratin, AM (Joint Inst Nucl Res, Joliot Curie 6, Dubna 141980, Moscow Region, Russia.) ; Malyarenko, L G (Petersburg Nucl Phys Inst, Gatchina 188300, Leningrad Reg, Russia.) ; Chesnokov, Yu A (Inst High Energy Phys, RU-142284 Protvino, Russia.) ; Denisov, A S (Petersburg Nucl Phys Inst, Gatchina 188300, Leningrad Reg, Russia.) ; Dalpiaz, P (Univ Ferrara, Dipartimento Fis, INFN Sez Ferrara, I-44100 Ferrara, Italy.) ; Bagli, E (Univ Ferrara, Dipartimento Fis, INFN Sez Ferrara, I-44100 Ferrara, Italy.) ; Taratin, A M (Joint Inst Nucl Res, Dubna 141980, Moscow Region, Russia.) ; Lapina, L P (Petersburg Nucl Phys Inst, Gatchina 188300, Leningrad Reg, Russia.) ; Vavilov, S A (Petersburg Nucl Phys Inst, Gatchina 188300, Leningrad Reg, Russia.) ; Fiorini, M (Univ Ferrara, Dipartimento Fis, INFN Sez Ferrara, I-44100 Ferrara, Italy.) et al.
Different kinds of deflection in a silicon crystal bent along the (111) axis was observed for 150 GeV/c negative particles. mainly pi(-) mesons, at one of the secondary beams of the CERN SPS. [...]
2010 - Published in : Phys. Lett. B 693 (2010) 545-550
10.
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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