Sensitivity of the SHiP experiment to Heavy Neutral Leptons

Author:

,Ahdida C.,Albanese R.,Alexandrov A.,Anokhina A.,Aoki S.,Arduini G.,Atkin E.,Azorskiy N.,Baaltasar Dos Santos F.,Back J. J.,Bagulya A.,Baranov A.,Bardou F.,Barker G. J.,Battistin M.,Bauche J.,Bay A.,Bayliss V.,Bencivenni G.,Berdnikov Y. A.,Berdnikov A. Y.,Berezkina I.,Bertani M.,Betancourt C.,Bezshyiko I.,Bezshyyko O.,Bick D.,Bieschke S.,Blanco A.,Boehm J.,Bogomilov M.,Bondarenko K.,Bonivento W. M.,Borburgh J.,Boyarsky A.,Brenner R.,Breton D.,Brundler R.,Bruschi M.,Büscher V.,Buonaura A.,Buontempo S.,Cadeddu S.,Calcaterra A.,Calviani M.,Campanelli M.,Casolino M.,Charitonidis N.,Chau P.,Chauveau J.,Chepurnov A.,Chernyavskiy M.,Choi K.-Y.,Chumakov A.,Ciambrone P.,Cornelis K.,Cristinziani M.,Crupano A.,Dallavalle G. M.,Datwyler A.,D’Ambrosio N.,D’Appollonio G.,Dedenko L.,Dergachev P.,De Carvalho Saraiva J.,De Lellis G.,de Magistris M.,De Roeck A.,De Serio M.,De Simone D.,Dib C.,Dijkstra H.,Dipinto P.,Di Crescenzo A.,Di Marco N.,Dmitrenko V.,Dmitrievskiy S.,Dolmatov A.,Domenici D.,Donskov S.,Dougherty L. A.,Drohan V.,Dubreuil A.,Ebert J.,Enik T.,Etenko A.,Fabbri F.,Fabbri L.,Fabich A.,Fedin O.,Fedotovs F.,Ferro-Luzzi M.,Felici G.,Filippov K.,Fini R. A.,Fonte P.,Franco C.,Fraser M.,Fresa R.,Froeschl R.,Fukuda T.,Galati G.,Gall J.,Gatignon L.,Gavrilov G.,Gentile V.,Goddard B.,Golinka-Bezshyyko L.,Golovatiuk A.,Golubkov D.,Golutvin A.,Gorbounov P.,Gorbunov S.,Gorbunov D.,Gorkavenko V.,Gornushkin Y.,Gorshenkov M.,Grachev V.,Grandchamp A. L.,Granich G.,Graverini E.,Grenard J.-L.,Grenier D.,Grichine V.,Gruzinskii N.,Guz Yu.,Haefeli G. J.,Hagner C.,Hakobyan H.,Harris I. W.,Hessler C.,Hollnagel A.,Hosseini B.,Hushchyn M.,Iaselli G.,Iuliano A.,Ivantchenko V.,Jacobsson R.,Joković D.,Jonker M.,Kadenko I.,Kain V.,Kamiscioglu C.,Kershaw K.,Khabibullin M.,Khalikov E.,Khaustov G.,Khoriauli G.,Khotyantsev A.,Kim Y. G.,Kim V.,Kim S. H.,Kitagawa N.,Ko J.-W.,Kodama K.,Kolesnikov A.,Kolev D. I.,Kolosov V.,Komatsu M.,Kondrateva N.,Kono A.,Konovalova N.,Kormannshaus S.,Korol I.,Korol’ko I.,Korzenev A.,Kostyukhin V.,Koukovini Platia E.,Kovalenko S.,Krasilnikova I.,Kudenko Y.,Kurbatov E.,Kurbatov P.,Kurochka V.,Kuznetsova E.,Lacker H. M.,Lamont M.,Lanfranchi G.,Lantwin O.,Lauria A.,Lee K. S.,Lee K. Y.,Lévy J.-M.,Lopes L.,Lopez Sola E.,Loschiavo V. P.,Lyubovitskij V.,Guler A. M.,Maalmi J.,Magnan A.,Maleev V.,Malinin A.,Manabe Y.,Managadze A. K.,Manfredi M.,Marsh S.,Marshall A. M.,Mefodev A.,Mermod P.,Miano A.,Mikado S.,Mikhaylov Yu.,Milstead D. A.,Mineev O.,Montanari A.,Montesi M. C.,Morishima K.,Movchan S.,Muttoni Y.,Naganawa N.,Nakamura M.,Nakano T.,Nasybulin S.,Ninin P.,Nishio A.,Novikov A.,Obinyakov B.,Ogawa S.,Okateva N.,Opitz B.,Osborne J.,Ovchynnikov M.,Owen P. H.,Owtscharenko N.,Pacholek P.,Paoloni A.,Paparella R.,Park B. D.,Park S. K.,Pastore A.,Patel M.,Pereyma D.,Perillo-Marcone A.,Petkov G. L.,Petridis K.,Petrov A.,Podgrudkov D.,Poliakov V.,Polukhina N.,Prieto Prieto J.,Prokudin M.,Prota A.,Quercia A.,Rademakers A.,Rakai A.,Ratnikov F.,Rawlings T.,Redi F.,Ricciardi S.,Rinaldesi M.,Robbe P.,Rodin Viktor,Rodin Volodymyr,Rodrigues Cavalcante A. B.,Roganova T.,Rokujo H.,Rosa G.,Rovelli T.,Ruchayskiy O.,Ruf T.,Samoylenko V.,Samsonov V.,Sanchez Galan F.,Santos Diaz P.,Sanz Ull A.,Saputi A.,Sato O.,Savchenko E. S.,Schmidt-Parzefall W.,Serra N.,Sgobba S.,Shadura O.,Shakin A.,Shaposhnikov M.,Shatalov P.,Shchedrina T.,Shchutska L.,Shevchenko V.,Shibuya H.,Shirobokov S.,Shustov A.,Silverstein S. B.,Simone S.,Simoniello R.,Skorokhvatov M.,Smirnov S.,Sohn J. Y.,Sokolenko A.,Solodko E.,Starkov N.,Stoel L.,Storaci B.,Stramaglia M. E.,Sukhonos D.,Suzuki Y.,Takahashi S.,Tastet J. L.,Teterin P.,Than Naing S.,Timiryasov I.,Tioukov V.,Tommasini D.,Torii M.,Tosi N.,Treille D.,Tsenov R.,Ulin S.,Ustyuzhanin A.,Uteshev Z.,Vankova-Kirilova G.,Vannucci F.,van Herwijnen E.,van Waasen S.,Venkova P.,Venturi V.,Vilchinski S.,Villa M.,Vincke Heinz,Vincke Helmut,Visone C.,Vlasik K.,Volkov A.,Voronkov R.,Wanke R.,Wertelaers P.,Woo J.-K.,Wurm M.,Xella S.,Yilmaz D.,Yilmazer A. U.,Yoon C. S.,Zarubin P.,Zarubina I.,Zaytsev Yu.

Abstract

Abstract 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 $$ \mathcal{O} $$ O (50 m) and tens of kilometers before decaying. We present the sensitivity of the SHiP experiment to a number of HNL’s benchmark models and provide a way to calculate the SHiP’s sensitivity to HNLs for arbitrary patterns of flavour mixings. The corresponding tools and data files are also made publicly available.

Publisher

Springer Science and Business Media LLC

Subject

Nuclear and High Energy Physics

Reference91 articles.

1. W. Bonivento et al., Proposal to Search for Heavy Neutral Leptons at the SPS, arXiv:1310.1762 [INSPIRE].

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3. SHiP collaboration, The experimental facility for the Search for Hidden Particles at the CERN SPS, 2019 JINST 14 P03025 [arXiv:1810.06880] [INSPIRE].

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