Accès ouvert déclaré
2020
preprint
Sensitivity of the SHiP experiment to dark photons decaying to a pair of charged particles
SHiP Collaboration, C. Ahdida, Atakan Tugberk Akmete, R. Albanese, A. Alexandrov, A. Anokhina, S. Aoki, G. Arduini, E. Atkin, N. Azorskiy, J. J. Back, A. Bagulya, F. Baaltasar dos Santos, A. Baranov, F. Bardou, Gareth J. Barker, M. Battistin, J. Bauche, A. Bay, V. Bayliss, G. Bencivenni, A. Berdnikov, Y. Berdnikov, M. Bertani, C. Betancourt, Ia. Bezshyiko, O. Bezshyyko, D. Bick, S. Bieschke, A. Blanco, J. Boehm, M. Bogomilov, I. Boiarska, Kyrylo Bondarenko, W. Bonivento, J. Borburgh, Alexey Boyarsky, R. Brenner, D. Breton, V. Büscher, A. Buonaura, S. Buontempo, S. Cadeddu, A. Calcaterra, M. Calviani, M. Campanelli, M. Casolino, N. Charitonidis, P. Chau, J. Chauveau, A. Chepurnov, M. Chernyavskiy, Ki-Young Choi, А. Г. Чумаков, V. Cicero, L. Congedo, Karel Cornelis, M. Cristinziani, A. Crupano, G. M. Dallavalle, A. Dätwyler, N. D’Ambrosio, G. D’Appollonio, R. de Asmundis, J. de Carvalho Saraiva, G. De Lellis, Matteo Magistris, A. De Roeck, M. De Serio, D. De Simone, L. Dedenko, Pavel Dergachev, A. Di Crescenzo, L. Di Giulio, N. Di Marco, Claudio Dib, H. Dijkstra, В. В. Дмитренко, L. A. Dougherty, A. Dolmatov, D. Domenici, S.V. Donskov, V. Drohan, A. Dubreuil, O. Durhan, M. Ehlert, E. Elikkaya, T. Enik, A. Etenko, F. Fabbri, O. L. Fedin, F. Fedotovs, G. Felici, M. Ferrillo, K. Filippov, R. A. Fini, P. Fonte, C. Franco, M. Fraser, R. Fresa, R. Froeschl, T. Fukuda, G. Galati, J. Gall, L. Gatignon, G. Gavrilov, V. Gentile, B. Goddard, L. Golinka-Bezshyyko, A. Golovatiuk, V. Golovtsov, D. Golubkov, A. Golutvin, Petr Gorbounov, D. Gorbunov, С. Горбунов, V. Gorkavenko, M. Gorshenkov, В. М. Грачев, A. L. Grandchamp, E. Graverini, J. Grenard, D. Grenier, V. Grichine, N. Gruzinskii, A. M. Guler, Yu. Guz, G. Haefeli, C. Hagner, H. Hakobyan, Irene Harris, E. van Herwijnen, C. Heßler, A. Hollnagel, M. Hushchyn, G. Iaselli, A. Iuliano, R. Jacobsson, D. Joković, M. Jonker, І. Каденко, V. Kain, B. Kaiser, C. Kamiscioglu, D. Karpenkov, K. Kershaw, M. Khabibullin, E. Khalikov, G.V. Khaustov, G. Khoriauli, A. Khotyantsev, Y. G. Kim, V. Kim, N. Kitagawa, J.-W. Ko, K. Kodama, A. Kolesnikov, D. Kolev, V. Kolosov, M. Komatsu, A. Kono, N. S. Konovalova, S. Kormannshaus, I. Korol, I. Korolko, A. Korzenev, V. V. Kostyukhin, E. Koukovini Platia, S.G. Kovalenko, I. Krasilnikova, Y. Kudenko, E. Kurbatov, Pavel Kurbatov, V. Kurochka, E. Kuznetsova, H. M. Lacker, M. Lamont, G. Lanfranchi, O. Lantwin, A. Lauria, K. S. Lee, K. Y. Lee, J.-M. Lévy, V. P. Loschiavo, L. Lopes, Edmundo Lopez-Sola, Valery E. Lyubovitskij, J. Maalmi, A.-M. Magnan, V. P. Maleev, A. Malinin, Y. Manabe, A.K. Managadze, M. Manfredi, S. Marsh, Alexander Mclean Marshall, A. Mefodev, P. Mermod, Andrea Miano, S. Mikado, Yu. Mikhaylov, D. A. Milstead, O. Mineev, Alessandro Montanari, M.C. Montesi, Kunihiro Morishima, S. Movchan, Y. Muttoni, N. Naganawa, Mitsuhiro Nakamura, Takayoshi Nakano, S. Nasybulin, P. Ninin, A. Nishio, Alexander Novikov, B.A. Obinyakov, S. Ogawa, N. Okateva, B. Opitz, Jason W. Osborne, Maksym Ovchynnikov, N. Owtscharenko, P. Owen, P. Pacholek, A. Paoloni, B. D. Park, A. Pastore, M. Patel, D. Pereyma, Antonio Perillo‐Marcone, G. Petkov, K. Petridis, A. Petrov, Д. Подгрудков, V. Poliakov, N. Polukhina, Javier Prieto, M. Prokudin, Andrea Prota, A. Quercia, A. Rademakers, A. Rakai, F. Ratnikov, T. Rawlings, F. Redi, S. Ricciardi, M. Rinaldesi, Volodymyr Rodin, V. Rodin, A.B. Rodrigues Cavalcante, T. Roganova, Hiroki Rokujo, G. Rosa, T. Rovelli, Oleg Ruchayskiy, T. Ruf, V. D. Samoylenko, V. Samsonov, F. Sánchez Galán, P. Santos Díaz, A. Sanz Ull, A. Saputi, O. Sato, E. S. Savchenko, J. S. Schliwinski, W. Schmidt‐Parzefall, N. Serra, S. Sgobba, O. Shadura, A. Shakin, Mikhail Shaposhnikov, P. B. Shatalov, T. V. Shchedrina, L. Shchutska, V. Shevchenko, H. Shibuya, S. Shirobokov, A. E. Shustov, S. B. Silverstein, S. Simone, R. Simoniello, M. Skorokhvatov, S. Yu. Smirnov, J. Y. Sohn, Anastasia Sokolenko, E. Solodko, Н. И. Старков, Linda Stoel, Maria Elena Stramaglia, D. Sukhonos, Y. Suzuki, Satoru Takahashi, Jean‐Loup Tastet, P. Teterin, S. Than Naing, Inar Timiryasov, V. Tioukov, Daniele Tommasini, M. Torii, N. Tosi, D. Treille, R. Tsenov, С. Е. Улин, E. Ursov, A. Ustyuzhanin, З. М. Утешев, G. Vankova-Kirilova, F. Vannucci, V. Venturi, S. Vilchinski, Heinz Vincke, Helmut Vincke, C. Visone, К. Ф. Власик, A. Volkov, R. Voronkov, Stefan van Waasen, R. Wanke, P. Wertelaers, O. Williams, J.-K. Woo, M. Wurm, S. Xella, D. Yilmaz, A. U. Yilmazer, C.S. Yoon, Yu. Zaytsev, A. Zelenov, J. Zimmerman
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Le résumé fourni par la source
Dark photons are hypothetical massive vector particles that could mix with ordinary photons. The simplest theoretical model is fully characterised by only two parameters: the mass of the dark photon m$_{γ^{\mathrm{D}}}$ and its mixing parameter with the photon, $\varepsilon$. The sensitivity of the SHiP detector is reviewed for dark photons in the mass range between 0.002 and 10 GeV. Different production mechanisms are simulated, with the dark photons decaying to pairs of visible fermions, including both leptons and quarks. Exclusion contours are presented and compared with those of past experiments. The SHiP detector is expected to have a unique sensitivity for m$_{γ^{\mathrm{D}}}$ ranging between 0.8 and 3.3$^{+0.2}_{-0.5}$ GeV, and $\varepsilon^2$ ranging between $10^{-11}$ and $10^{-17}$.
Ce résumé expose les affirmations des auteurs. BNTIC ne l’interprète pas comme une validation indépendante des résultats.
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Les sujets associés
Particle physics theoretical and experimental studiesDark Matter and Cosmic PhenomenaHigh-Energy Particle Collisions Research