The active muon shield in the SHiP experiment

Akmete, A.; Alexandrov, A.; Anokhina, A.; Aoki, Shigeki; Atkin, E.; Azorskiy, N.; Back, J. J.; Bagulya, A.; Baranov, A.; Barker, G. J.; Bay, A.; Bayliss, V.; Bencivenni, G.; Berdnikov, A.; Berdnikov, Y.; Bertani, M.; Betancourt, C.; Bezshyiko, Ia.; Bezshyyko, Oleg; Bick, D.; Bieschke, S.; Blanco, A.; Boehm, J.; Bogomilov, M.; Bondarenko, Kyrylo; Bonivento, W.; Boyarsky, Alexey; Brenner, R.; Bretón, D.; Brundler, R.; Bruschi, M.; Büscher, V.; Buonaura, A.; Buontempo, S.; Cadeddu, S.; Calcaterra, A.; Campanelli, M.; Chauveau, J.; Chepurnov, A.; Chernyavsky, M.; Choi, Ki‐Young; Chumakov, A.G.; Ciambrone, P.; Dallavalle, G. M.; D’Ambrosio, N.; D’Appollonio, Giuseppe; Lellis, G. De; Roeck, A. De; Serio, M. De; Dedenko, L. G.; Crescenzo, A. Di; Marco, N. Di; Dib, Claudio O.; Dijkstra, H.; Дмитренко, В. В.; Domenici, D.; Donskov, S.V.; Dubreuil, A.; Ebert, J.; Enik, T.; Etenko, A.; Fabbri, F.; Fabbri, L.; Fedin, O. L.; Fedorova, G. F.; Felici, G.; Ferro‐Luzzi, M.; Fini, R. A.; Fonte, P.; Franco, C.; Fukuda, Tsutomu; Galati, G.; Gavrilov, G.; Gerlach, Stefan; Golinka-Bezshyyko, L.; Golubkov, D.; Golutvin, A.; Gorbunov, D.; Горбунов, С.; Gorkavenko, Volodymyr M.; Gornushkin, Y.; Горшенков, М.В.; Grachev, V. M.; Graverini, E.; Grichine, V.; Guler, A. M.; Guz, Yu.; Hagner, C.; Hakobyan, H.; Herwijnen, E. van; Hollnagel, A.; Hosseini, B.; Hushchyn, M.; Iaselli, G.; Iuliano, A.; Jacobsson, R.; Jonker, M.; Каденко, І.; Kamiscioglu, C.; Kamiscioglu, M.; Khabibullin, M.; Khaustov, G.; Khotyantsev, A.; Kim, S.H.; Kim, V.; Kim, Y.G.; Kitagawa, N.; Ko, J.-W.; Kodama, K.; Kolesnikov, A.; Kolev, D.; Kolosov, V.N.; Komatsu, M.; Konovalova, N. S.; Korkmaz, M. A.; Korol, I.; Korolko, I.; Korzenev, A.; Kovalenko, Sergey; Krasilnikova, I.; Krivova, K. V.; Kudenko, Y.; Kurochka, V.; Kuznetsova, E.; Lacker, H.; Lai, A.; Lanfranchi, G.; Lantwin, O.; Lauria, A.; Lebbolo, H.; Lee, K.Y.; Lévy, J. M.; Lopes, L.; Lyubovitskij, Valery E.; Maalmi, Jihane; Magnan, A.-M.; Maleev, V. P.; Малинин, А.; Mefodev, A.; Mermod, P.; Mikado, S.; Mikhaylov, Yu.; Milstead, D. A.; Mineev, O.; Montanari, A.; Montesi, M.C.; Morishima, Keisuke; Movchan, S.; Naganawa, N.; Nakamura, Mitsuhiro; Nakano, T.; Novikov, Alexander; Obinyakov, B.; Ogawa, S.; Okateva, N.; Owen, P.; Paoloni, A.; Park, B.D.; Paparella, L.; Pastore, A.; Patel, M.; Pereyma, D.; Petrenko, D; Petridis, K.; Подгрудков, Д.; Poliakov, V.; Polukhina, N.; Prokudin, M.; Prota, Andrea; Rademakers, A.; Ratnikov, F.; Rawlings, T.; Razeti, M.; Redi, F.; Ricciardi, S.; Роганова, Т. М.; Rogozhnikov, A.; Rokujo, H.; Rosa, G. De; Rovelli, T.; Ruchayskiy, Oleg; Ruf, T.; Samoylenko, V.D.; Saputi, A.; Sato, Osamu; Savchenko, E. S.; Schmidt‐Parzefall, W.; Serra, N.; Шакин, А.; Shaposhnikov, Mikhail; Шаталов, П. Б.; Shchedrina, T. V.; Shchutska, L.; Shevchenko, V.; Shibuya, H.; Shustov, A.; Silverstein, S. B.; Simone, S.; Skorokhvatov, M.; Smirnov, S. Yu.; Sohn, J. Y.; Sokolenko, Anastasia; Старков, Н. И.; Storaci, B.; Strolin, P.; Takahashi, Satoru; Timiryasov, Inar; Tioukov, V.; Tosi, N.; Treille, D.; Tsenov, R.; Улин, С. Е.; Ustyuzhanin, A.; Uteshev, Z. M.; Vankova-Kirilova, G.; Vannucci, F.; Venkova, P.; Vilchinski, S.; Villa, M.; Власик, К. Ф.; Volkov, A.; Voronkov, R.; Wanke, R.; Woo, Jong-Kwan; Wurm, M.; Xella, S.; Yılmaz, Deniz; Yılmazer, A.U.; Yoon, C. S.; Zaytsev, Yu.

doi:10.1088/1748-0221/12/05/p05011

Cited by 35 publications

(25 citation statements)

References 13 publications

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“…The new facility is to be located in a new experimental complex at the Super Proton Synchrotron (SPS) at CERN. A first proposed experiment to employ this infrastructure is the Search for Hidden Particles (SHiP) …”

Section: Introductionmentioning

confidence: 99%

“…A first proposed experiment to employ this infrastructure is the Search for Hidden Particles (SHiP). 1 The new BDF production target has to cope with two main objectives: On the one hand, as a beam absorber, it should contain most of the cascade generated by the interaction with the 400 GeV SPS proton beam; on the other hand, as a target, it should maximize the production of secondary particles from the interaction of the primary proton beam and the dump material, such as charmed mesons and photons. 2 The BDF production target will be based on a solid state target made of high Z materials with short interaction length to maximize the production of charmed mesons required by the experiment.…”

Section: Introductionmentioning

confidence: 99%

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Application of hot isostatic pressing (HIP) technology to diffusion bond refractory metals for proton beam targets and absorbers at CERN

Descarrega

Calviani

Hutsch

et al. 2019

Mat Design & Process Comms

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A target assembly, composed of several collinear molybdenum (Mo)‐based and tungsten (W)‐based cylindrical blocks, will reside in the core of the new beam dump facility (BDF) being designed at the European Laboratory for Particle Physics (CERN). The target blocks will be protected from the cooling water erosion‐corrosion by a tantalum (Ta)‐based cladding. In order to obtain intimate and reliable bonding between the several cylinders composing each target block and with the cladding, hot isostatic pressing (HIP) assisted diffusion bonding technique was explored. Several down‐scaled target block prototypes were conceived to investigate the bondings. Starting from the previously gained experience in Ta cladding on W from neutron spallation targets, here, we present results on Ta cladding on TZM (Mo alloy), Ta2.5W (Ta alloy) cladding on TZM and W, and on TZM to TZM and W to W self‐bondings. The resulting interfaces were systematically characterized with electron microscopy, tensile testing, and thermal conductivity measurements. Successful diffusion bonding was achieved for all the studied material combinations, resulting in homogeneous and defect‐free interfaces, strong interfacial bondings, and limited interfacial thermal contact resistance. The HIP parameters and diffusion interfacial aids were of great importance to optimize the interface and bulk material properties.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Application of hot isostatic pressing (HIP) technology to diffusion bond refractory metals for proton beam targets and absorbers at CERN

Descarrega

Calviani

Hutsch

et al. 2019

Mat Design & Process Comms

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“…Theoretical background, main channels of production and decay of new particles, preliminary estimations for sensitivity region for different portals for the SHiP experiment were considered in 2016 [5]. Somewhat later, works of a clarifying and complementary nature were published also [10,11,12,13]. Currently, SHiP collaboration [14] includes nearly 250 scientist from 53 institutions.…”

Section: Ship Experimentsmentioning

confidence: 99%

“…It will absorb the hadrons and the electromagnetic radiation from the target, but decays of the mesons result in a large flux of muons and neutrinos. After the hadron stopper is located the system of shielding magnets (which extends over a length of ∼ 40m) to deflect muons away from the fiducial decay volume [10].…”

Section: Ship Experimentsmentioning

confidence: 99%

Search for Hidden Particles in Intensity Frontier Experiment SHiP

Gorkavenko¹

2019

Ukr. J. Phys.

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Despite the undeniable success of the Standard Model of particle physics (SM) there are some phenomena (neutrino oscillations, baryon asymmetry of the Universe, dark matter, etc.) that SM cannot explain. These phenomena indicate that the SM has to be modified. Most likely there are new particles beyond the SM. There are many experiments to search for new physics that can be divided into two types: energy and intensity frontier. In experiments of the first type, one tries to directly produce and detect new heavy particles. In experiments of the second type, one tries to directly produce and detect new light particles that feebly interact with SM particles. Future intensity frontier SHiP experiment (Search for Hidden Particles) at the CERN SPS is discussed. Its advantages and technical characteristics are given.

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“…For more details on the current design, see Ref. [4]. For this optimisation an accurate knowledge of the muon spectrum is vital.…”

Section: The Ship Experimentsmentioning

confidence: 99%

Search for new physics with the SHiP experiment at CERN

Lantwin¹

2017

Proceedings of the European Physical Society Conference on High Energy Physics — PoS(EPS-HEP2017)

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SHiP is a new general purpose fixed target experiment at the CERN SPS designed to complement LHC experiments in the search for new physics. In its initial phase, the 400 GeV proton beam extracted from the SPS will be dumped on a heavy target with the aim of integrating 2 × 10 20 pot in 5 years. Shielded by an active muon shield, a dedicated detector, based on a long decay volume followed by a spectrometer and particle identification detectors, will allow probing a variety of models with light long-lived exotic particles with masses below O(10) GeV/c 2 . The main focus will be the physics of the so-called Hidden Portals, i. e. search for Dark Photons, Light scalars and pseudo-scalars, and Heavy Neutral Leptons. The sensitivity to Heavy Neutral Leptons will allow for the first time to probe, in the mass range above the kaon mass, a coupling range for which Baryogenesis and active neutrino masses could also be explained. A dedicated emulsion-based detector will allow detection of light dark matter in an unexplored parameter range.

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The active muon shield in the SHiP experiment

Cited by 35 publications

References 13 publications

Application of hot isostatic pressing (HIP) technology to diffusion bond refractory metals for proton beam targets and absorbers at CERN

Application of hot isostatic pressing (HIP) technology to diffusion bond refractory metals for proton beam targets and absorbers at CERN

Search for Hidden Particles in Intensity Frontier Experiment SHiP

Search for new physics with the SHiP experiment at CERN

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