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A. Alexandrov
Istituto Nazionale di Fisica Nucleare
29Publications
6H-index
109Citations
Publications 31
Newest
An event topology with two secondary vertices compatible with the decay of short-lived particles was found in the analysis of neutrino interactions in the Opera target. The observed topology is compatible with tau neutrino charged current (CC) interactions with charm production and neutrino neutral current (NC) interactions with c\overline{c}pair production. However, other processes can mimic this topology. A dedicated analysis was implemented to identify the underlying process. A Monte Carlo...
#1Valeri Tioukov (INFN: Istituto Nazionale di Fisica Nucleare)H-Index: 6
#2A. Alexandrov (INFN: Istituto Nazionale di Fisica Nucleare)H-Index: 6
Last.Hiroyuki Tanaka (UTokyo: University of Tokyo)H-Index: 56
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Muography consists in observing the differential absorption of muons – elementary particles produced through cosmic-ray interactions in the Earth atmosphere – going through the volcano and can attain a spatial resolution of tens of meters. We present here the first experiment of nuclear emulsion muography at the Stromboli volcano. Muons have been recorded during a period of five months by a detector of 0.96 m2 area. The emulsion films were prepared at the Gran Sasso underground laboratory and we...
3 CitationsSource
2 CitationsSource
#1N. AgafonovaH-Index: 17
#2R. BrugneraH-Index: 35
Last.Akitaka ArigaH-Index: 32
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The OPERA experiment has conclusively observed the appearance of tau neutrinos in the muon neutrino CNGS beam. Exploiting the OPERA detector capabilities, it was possible to isolate high purity samples of \nu_{e} \nu_{\mu}and \nu_{\tau}charged current weak neutrino interactions, as well as neutral current weak interactions. In this Letter, the full dataset is used for the first time to test the three-flavor neutrino oscillation model and to derive constraints on the existence of a light...
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#1S.M. Valle (INFN: Istituto Nazionale di Fisica Nucleare)
#2A. AlexandrovH-Index: 6
Last.Antonio Zoccoli (UNIBO: University of Bologna)H-Index: 85
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Abstract Particle therapy uses proton or 12 C beams to treat deep-seated solid tumors. Due to the advantageous characteristics of charged particles energy deposition in matter, the maximum of the dose is released to the tumor at the end of the beam range, in the Bragg peak region. However, the beam nuclear interactions with the patient tissues induces fragmentation both of projectile and target nuclei and needs to be carefully taken into account. In proton treatments, the target fragmentation pr...
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#2Adele LauriaH-Index: 20
Last.G. De LellisH-Index: 23
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#1N. AgafonovaH-Index: 17
#2A. AlexandrovH-Index: 6
Last.C. S. YoonH-Index: 22
view all 126 authors...
The OPERA experiment has conclusively observed the appearance of tau neutrinos in the muon neutrino CNGS beam. Exploiting the OPERA detector capabilities, it was possible to isolate high purity samples of \nu_{e} \nu_{\mu}and \nu_{\tau}charged current weak neutrino interactions, as well as neutral current weak interactions. In this Letter, the full dataset is used for the first time to test the three-flavor neutrino oscillation model and to derive constraints on the existence of a light...
1 Citations
#1C. Ahdida (CERN)H-Index: 3
#2Mikhail Shaposhnikov (EPFL: École Polytechnique Fédérale de Lausanne)H-Index: 5
Last.J. J. Back (Warw.: University of Warwick)H-Index: 106
view all 333 authors...
Heavy Neutral Leptons (HNLs) are hypothetical particles predicted by many extensions of the Standard Model. These particles can, among other things, explain the origin of neutrino masses, generate the observed matter-antimatter asymmetry in the Universe and provide a dark matter candidate. The SHiP experiment will be able to search for HNLs produced in decays of heavy mesons and travelling distances ranging between \mathcal{O}(50\text{ m})and tens of kilometers before decaying. We present the...
21 CitationsSource
#1C. Ahdida (CERN)H-Index: 3
#2Raffaele Albanese (University of Bari)H-Index: 24
Last.Yu. ZaytsevH-Index: 4
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10 CitationsSource
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