The magnet of the scattering and neutrino detector for the SHiP experiment at CERN

Ahdida, C.; Albanese, R.; Alexandrov, A.; Anokhina, A.; Aoki, S.; Arduini, G.; Atkin, E.; Azorskiy, N.; Back, J. J.; Bagulya, A.; Santos, F. Baaltasar dos; Baranov, A.; Bardou, F.; Barker, G. J.; Battistin, M.; Bauche, J.; Bay, A.; Bayliss, V.; Bencivenni, G.; Berdnikov, A.; Berdnikov, Y.; Berezkina, I.; Bertani, M.; Betancourt, C.; Bezshyiko, Ia.; Bezshyyko, Oleg; Bick, D.; Bieschke, S.; Blanco, A.; Boehm, J.; Bogomilov, M.; Bondarenko, Kyrylo; Bonivento, W.; Borburgh, J.; Boyarsky, Alexey; Brenner, R.; Bretón, D.; Brundler, R.; Bruschi, M.; Büscher, V.; Buonaura, A.; Buontempo, S.; Cadeddu, S.; Calcaterra, A.; Calviani, M.; Campanelli, M.; Casolino, M.; Charitonidis, N.; Chau, Phi; Chauveau, J.; Chepurnov, A.; Chernyavskiy, M.; Choi, Ki‐Young; Chumakov, A.G.; Ciambrone, P.; Congedo, L.; Cornelis, Karel; Cristinziani, M.; Crupano, A.; Dallavalle, G. M.; Datwyler, A.; D’Ambrosio, N.; D’Appollonio, Giuseppe; Saraiva, J. de Carvalho; Lellis, G. De; Magistris, M. de; Roeck, A. De; Serio, M. De; Simone, D. De; Dedenko, L. G.; Dergachev, Pavel; Crescenzo, A. Di; Dib, Claudio O.; Dijkstra, Hans; Dipinto, P.; Дмитренко, В. В.; Dmitrievskiy, S.; Dougherty, L.A.; Dolmatov, A.; Domenici, D.; Donskov, S.V.; Drohan, V.; Dubreuil, A.; Ehlert, M.; Enik, T.; Etenko, A.; Fabbri, F.; Fabbri, L.; Fabich, A.; Fedin, O. L.; Fedotovs, F.; Felici, G.; Ferro‐Luzzi, M.; Filippov, K.; Fini, R. A.; Fonte, P.; Franco, C.; Fraser, Matthew; Fresa, R.; Froeschl, R.; Fukuda, Tatsuya; Galati, G.; Gall, J.; Gatignon, L.; Gavrilov, G.; Gentile, V.; Gerlach, Stefan; Goddard, B.; Golinka-Bezshyyko, L.; Golovatiuk, A.; Golubkov, D.; Golutvin, A.; Gorbounov, P. A.; Gorbunov, D.; Горбунов, С.; Gorkavenko, Volodymyr M.; Gornushkin, Y.; Горшенков, М.В.; Grachev, Vadim; Grandchamp, A.L.; Granich, G.; Graverini, E.; Grenard, J.-L.; Grenier, D.; Grichine, V.; Gruzinskii, N.; Guler, A. M.; Guz, Yu.; Haefeli, G.; Hagner, C.; Hakobyan, H.; Harris, Irene; Herwijnen, E. van; Heßler, Christoph; Hollnagel, A.; Hosseini, B.; Hushchyn, M.; Iaselli, G.; Iuliano, A.; Ivantchenko, Vladimir; Jacobsson, R.; Joković, D.; Jonker, M.; Каденко, І.; Kain, V.; Kaiser, B.; Kamiscioglu, C.; Kershaw, K.; Khabibullin, M.; Khalikov, E.; Khaustov, G.; Khoriauli, G.; Khotyantsev, A.; Kim, S.H.; Kim, Y.G.; Kim, V.; Kitagawa, N.; Ko, J.-W.; Kodama, K.; Kolesnikov, A.; Kolev, D.; Kolosov, V.N.; Komatsu, M.; Kondrat’eva, N. V.; Kono, Akihiro; Konovalova, N. S.; Kormannshaus, S.; Korol, I.; Korolko, I.; Korzenev, A.; Kostyukhin, V. V.; Platia, E. Koukovini; Kovalenko, S.; Krasilnikova, I.; Kudenko, Y.; Kurbatov, E.; Kurbatov, Pavel; Kurochka, V.; Kuznetsova, E.; Lacker, H.; Lamont, Mike; Lanfranchi, G.; Lantwin, O.; Lauria, A.; Lee, K.S.; Lee, K.Y.; Lévy, J. M.; Loschiavo, V. P.; Lopes, L.; Sola, E. Lopez; Lyubovitskij, Valery E.; Maalmi, Jihane; Magnan, A.-M.; Maleev, V. P.; Малинин, А.; Manabe, Yuta; Managadze, A.K.; Manfredi, M.; Marsh, S.; Marshall, Alexander Mclean; Mefodev, A.; Mermod, P.; Miano, Andrea; Mikado, S.; Mikhaylov, Yu.; Milstead, D.; Mineev, O.; Minutolo, Vincenzo; Montanari, A.; Montesi, M.C.; Morishima, Keisuke; Movchan, S.; Muttoni, Y.; Naganawa, N.; Nakamura, Masahiro; Nakano, Takashi; Nasybulin, S.; Ninin, P.; Nishio, Akira; Novikov, Alexander; Obinyakov, B.; Ogawa, S.; Okateva, N.; Opitz, B.; Osborne, John A.; Ovchynnikov, Maksym; Owtscharenko, N.; Owen, P.; Pacholek, P.; Paoloni, A.; Park, B.D.; Park, S.K.; Passeggio, G.; Pastore, A.; Patel, M.; Pereyma, D.; Perillo‐Marcone, Antonio; Petkov, G.L.; Petridis, K.; Petrov, A.; Подгрудков, Д.; Poliakov, V.; Polukhina, N.; Prieto, Javier; Prokudin, M.; Prota, Andrea; Quercia, A.; Rademakers, A.; Rakai, A.; Ratnikov, F.; Rawlings, T.; Redi, F.; Ricciardi, S.; Rinaldesi, M.; Rodin, V.; Rodin, Viktor; Robbe, P.; Cavalcante, A.B. Rodrigues; Роганова, Т. М.; Rokujo, H.; Rosa, G.; Rovelli, T.; Ruchayskiy, Oleg; Ruf, T.; Samoylenko, V.D.; Samsonov, V.; Galan, F. Sanchez; Díaz, P. Santos; Ull, A. Sanz; Saputi, A.; Sato, Osamu; Savchenko, E. S.; Schliwinski, J.S.; Schmidt‐Parzefall, W.; Serra, N.; Sgobba, S.; Shadura, O.; Шакин, А.; Shaposhnikov, M.; Shatalov, P.; Shchedrina, T. V.; Shchutska, L.; Shevchenko, V.; Shibuya, H.; Shihora, L.; Shirobokov, S.; Shustov, A.; Silverstein, S.; Simone, S.; Simoniello, R.; Skorokhvatov, M.; Smirnov, S. Yu.; Sohn, J. Y.; Sokolenko, Anastasia; Solodko, E.; Старков, Н. И.; Stoel, Linda; Storaci, B.; Stramaglia, M. E.; Sukhonos, D.; Suzuki, Y.; Takahashi, Satoshi; Tastet, Jean‐Loup; Teterin, P.; Naing, S. Than; Timiryasov, Inar; Tioukov, V.; Tommasini, D.; Torii, M.; Tosi, N.; Treille, D.; Tsenov, R.; Улин, С. Е.; Ustyuzhanin, A.; Uteshev, Z. M.; Vankova-Kirilova, G.; Vannucci, F.; Venkova, P.; Venturi, V.; Vilchinski, S.; Villa, M.; Vincke, Heinz; Vincke, Helmut; Visone, C.; Власик, К. Ф.; Volkov, A.; Voronkov, R.; Waasen, Stefan van; Wanke, R.; Wertelaers, P.; Woo, Jong-Kwan; Wurm, M.; Xella, S.; Yılmaz, Deniz; Yılmazer, A.U.; Yoon, C. S.; Zarubin, P. I.; Zarubina, I. G.; Zaytsev, Yu.

doi:10.1088/1748-0221/15/01/p01027

Cited by 13 publications

(12 citation statements)

References 11 publications

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“…Note that according to (14) if decaying meson velocity in the laboratory frame v H lab = pH EH is smaller than sterile neutrino longitudinal velocity in the meson rest frame v NL H = pz EN , v H lab < v NL H , then it is possible that p Nz < 0, i.e. sterile neutrino flies in the direction opposite of the detector.…”

Section: Algorithmmentioning

confidence: 99%

“…We present our results as separate plots for the sterile neutrino mixing with electron, muon and tau neutrinos. Generally, DUNE has good prospects to probe large region of the previously unavailable part of the parameter space before the new projects (like SHiP) join the searches.[12, 13], SHiP [14], MATHUSLA [15], T2K [16] and DUNE [17,18,19,20] declare the search for heavy neutral leptons to be one of their goals.The search for the sterile neutrinos in beam-dump experiments was, for example, considered in Refs. [21,22].…”

mentioning

confidence: 99%

“…[12, 13], SHiP [14], MATHUSLA [15], T2K [16] and DUNE [17,18,19,20] declare the search for heavy neutral leptons to be one of their goals.…”

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confidence: 99%

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DUNE prospects in the search for sterile neutrinos

Krasnov

2019

Phys. Rev. D

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Experiments measuring the parameters of active neutrino oscillations can also search for the sterile neutrinos in a part of sterile neutrino parameter space. In this paper, we analyze the prospects for the sterile neutrino search in the upcoming experiment DUNE for the sterile neutrinos with masses at GeV scale. As it relies on the still-undecided design of the Near Detector, we provide the expected number of the sterile neutrino decays in the Near Detector volume. Our most optimistic predictions show that the corresponding limit on mixing can be approximately of the same order as the previous estimates made for the LBNE. We present our results as separate plots for the sterile neutrino mixing with electron, muon and tau neutrinos. Generally, DUNE has good prospects to probe large region of the previously unavailable part of the parameter space before the new projects (like SHiP) join the searches.[12, 13], SHiP [14], MATHUSLA [15], T2K [16] and DUNE [17,18,19,20] declare the search for heavy neutral leptons to be one of their goals.The search for the sterile neutrinos in beam-dump experiments was, for example, considered in Refs. [21,22]. The process behind the search can be described as follows: the proton beam strikes the target and produces a great number of heavy secondary mesons. Due to active-sterile neutrino mixing a part of these mesons would produce sterile neutrinos in their decays. A part of these sterile neutrinos flies towards the detector and decays inside its volume. Such decays can be observed.The LBNE project provided their estimate of active-sterile neutrino mixing by rescaling the results of existing experimental data using the new experiment specifics in their design report [23]. The DUNE project inherited this estimate as their own predicted sensitivity to active-sterile neutrino mixing without updating the specifics of the experiment such as the Near Detector length. Until now there was no update made for the proposed DUNE Near Detector design [17,18,19,20].The aim of this paper is to calculate the sensitivity of DUNE to the active-sterile neutrino mixing for sterile neutrinos of masses at GeV scale. As it relies on yet to be decided design of the Near Detector, it is impossible to provide a proper estimation of the number of background events. In this paper we present the iso-contours for the number of expected heavy neutrino decays inside the detector volume, in the plane M N − |U | 2 , thus avoiding the issue of dealing with the experimental detection efficiencies and reconstruction effects. We also propose some ideas as to how it might be possible to enhance the signal to background ratio. This paper can be useful for the consideration of the DUNE Near Detector design or its possible additional upgrades.The paper is organized as follows. In Sec. 2 we present the overall layout of DUNE near detector facilities and the relevant proton beam properties. After that in Sec. 3 we list the experimental features of the search, such as different meson production rates and their momentum distribu...

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Section: Algorithmmentioning

confidence: 99%

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DUNE prospects in the search for sterile neutrinos

Krasnov

2019

Phys. Rev. D

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“…The SND, shown in figure 2 in the setup adopted for this study, is located downstream of the muon sweeper. Placed in a magnetised region of 1.2 Tesla in the horizontal direction and perpendicular to the beam axis [40], it consists of a (90×75×321) cm 3 high-granularity tracking device which exploits the Emulsion Cloud Chamber (ECC) technique developed by the OPERA experiment [41], which was successfully used for tau neutrino detection [42,43]. Each elementary unit of the modular detector, called brick (figure 3), consists of alternating 56 lead plates of 1 mm thickness, passive material to increase the interaction probability, and 57 nuclear emulsion films of 0.3 mm thickness, acting as tracking detector with micrometric accuracy.…”

Section: Jhep04(2021)199mentioning

confidence: 99%

Sensitivity of the SHiP experiment to light dark matter

Ahdida¹,

Akmete²,

Albanese³

et al. 2021

J. High Energ. Phys.

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Dark matter is a well-established theoretical addition to the Standard Model supported by many observations in modern astrophysics and cosmology. In this context, the existence of weakly interacting massive particles represents an appealing solution to the observed thermal relic in the Universe. Indeed, a large experimental campaign is ongoing for the detection of such particles in the sub-GeV mass range. Adopting the benchmark scenario for light dark matter particles produced in the decay of a dark photon, with αD = 0.1 and mA′ = 3mχ, we study the potential of the SHiP experiment to detect such elusive particles through its Scattering and Neutrino detector (SND). In its 5-years run, corresponding to 2 · 1020 protons on target from the CERN SPS, we find that SHiP will improve the current limits in the mass range for the dark matter from about 1 MeV to 300 MeV. In particular, we show that SHiP will probe the thermal target for Majorana candidates in most of this mass window and even reach the Pseudo-Dirac thermal relic.

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“…The SND magnet [8], enclosing a volume of about 10 m 3 kept at a temperature of 18 • C with a magnetic field of 1.2 T and a stray field outside at % level, is shown in Figure 2 (left). A special opening mechanism has been designed to access the inner volume for detector installation and fast maintenance during operation.…”

Section: Marilisa De Seriomentioning

confidence: 99%

Neutrino Physics with the SHiP experiment at CERN

Serio¹

2021

Proceedings of 40th International Conference on High Energy Physics — PoS(ICHEP2020)

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The SHiP experiment at CERN has been proposed to search for New Physics at the so-called intensity frontier by probing the existence of very fleebly coupled particles, predicted in several theoretical models, in the few GeV/c 2 mass range. Such hidden particles would be produced in the decays of heavy hadrons from 400 GeV/c proton interactions on a high density target at the Beam Dump Facility to be located in the CERN SPS North Area. Among hidden particles, the search for Heavy Neutral Leptons is very strongly motivated by theory, as they would explain simultaneously the baryon asymmetry of the Universe and the observed neutrino masses. The expected copious production of Ds mesons at the beam dump, producing tau neutrinos through fully leptonic decays, makes SHiP also ideal to study tau neutrino physics with unprecedented sensitivity. The current status of the experiment, recently summarised in the Comprehensive Design Study Report, is presented.

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The magnet of the scattering and neutrino detector for the SHiP experiment at CERN

Cited by 13 publications

References 11 publications

DUNE prospects in the search for sterile neutrinos

DUNE prospects in the search for sterile neutrinos

Sensitivity of the SHiP experiment to light dark matter

Neutrino Physics with the SHiP experiment at CERN

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