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Arámburo-García A, Bondarenko K, Boyarsky A, Nelson D, Pillepich A, Sokolenko A. Ultrahigh energy cosmic ray deflection by the intergalactic magnetic field. Int J Clin Exp Med 2021. [DOI: 10.1103/physrevd.104.083017] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Bondarenko K, Boyarsky A, Ovchynnikov M, Ruchayskiy O, Shchutska L. Probing new physics with displaced vertices: Muon tracker at CMS. Int J Clin Exp Med 2019. [DOI: 10.1103/physrevd.100.075015] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Alekhin S, Altmannshofer W, Asaka T, Batell B, Bezrukov F, Bondarenko K, Boyarsky A, Choi KY, Corral C, Craig N, Curtin D, Davidson S, de Gouvêa A, Dell'Oro S, deNiverville P, Bhupal Dev PS, Dreiner H, Drewes M, Eijima S, Essig R, Fradette A, Garbrecht B, Gavela B, Giudice GF, Goodsell MD, Gorbunov D, Gori S, Grojean C, Guffanti A, Hambye T, Hansen SH, Helo JC, Hernandez P, Ibarra A, Ivashko A, Izaguirre E, Jaeckel J, Jeong YS, Kahlhoefer F, Kahn Y, Katz A, Kim CS, Kovalenko S, Krnjaic G, Lyubovitskij VE, Marcocci S, Mccullough M, McKeen D, Mitselmakher G, Moch SO, Mohapatra RN, Morrissey DE, Ovchynnikov M, Paschos E, Pilaftsis A, Pospelov M, Reno MH, Ringwald A, Ritz A, Roszkowski L, Rubakov V, Ruchayskiy O, Schienbein I, Schmeier D, Schmidt-Hoberg K, Schwaller P, Senjanovic G, Seto O, Shaposhnikov M, Shchutska L, Shelton J, Shrock R, Shuve B, Spannowsky M, Spray A, Staub F, Stolarski D, Strassler M, Tello V, Tramontano F, Tripathi A, Tulin S, Vissani F, Winkler MW, Zurek KM. A facility to search for hidden particles at the CERN SPS: the SHiP physics case. Rep Prog Phys 2016; 79:124201. [PMID: 27775925 DOI: 10.1088/0034-4885/79/12/124201] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
This paper describes the physics case for a new fixed target facility at CERN SPS. The SHiP (search for hidden particles) experiment is intended to hunt for new physics in the largely unexplored domain of very weakly interacting particles with masses below the Fermi scale, inaccessible to the LHC experiments, and to study tau neutrino physics. The same proton beam setup can be used later to look for decays of tau-leptons with lepton flavour number non-conservation, [Formula: see text] and to search for weakly-interacting sub-GeV dark matter candidates. We discuss the evidence for physics beyond the standard model and describe interactions between new particles and four different portals-scalars, vectors, fermions or axion-like particles. We discuss motivations for different models, manifesting themselves via these interactions, and how they can be probed with the SHiP experiment and present several case studies. The prospects to search for relatively light SUSY and composite particles at SHiP are also discussed. We demonstrate that the SHiP experiment has a unique potential to discover new physics and can directly probe a number of solutions of beyond the standard model puzzles, such as neutrino masses, baryon asymmetry of the Universe, dark matter, and inflation.
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Affiliation(s)
- Sergey Alekhin
- Deutsches Elektronensynchrotron DESY, Platanenallee 6, D-15738 Zeuthen, Germany. Institute for High Energy Physics, 142281 Protvino, Moscow region, Russia
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Vasylyeva TI, Friedman SR, Smyrnov P, Bondarenko K. A new approach to prevent HIV transmission: Project Protect intervention for recently infected individuals. AIDS Care 2014; 27:223-8. [PMID: 25244688 DOI: 10.1080/09540121.2014.947913] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Past research suggests that as many as 50% of onward human immunodeficiency virus (HIV) transmissions occur during acute and recent HIV infection. It is clearly important to develop interventions which focus on this highly infectious stage of HIV infection to prevent further transmission in the risk networks of acutely and recently infected individuals. Project Protect tries to find recently and acutely infected individuals and prevents HIV transmission in their risk networks. Participants are recruited by community health outreach workers at community-based HIV testing sites and drug users' community venues, by coupon referrals and through referrals from AIDS clinics. When a network with acute/recent infection is identified, network members are interviewed about their risky behaviors, network information is collected, and blood is drawn for HIV testing. Participants are also educated and given prevention materials (condoms, syringes, educational materials); HIV-infected participants are referred to AIDS clinics and are assisted with access to care. Community alerts about elevated risk of HIV transmission are distributed within the risk networks of recently infected. Overall, 342 people were recruited to the project and screened for acute/recent HIV infection. Only six index cases of recent infection (2.3% of all people screened) were found through primary screening at voluntary counseling and testing (VCT) sites, but six cases of recent infection were found through contact tracing of these recently infected participants (7% of network members who came to the interview). Combining screening at VCT sites and contact tracing the number of recently infected people we located as compared to VCT screening alone. No adverse events were encountered. These first results provide evidence for the theory behind the intervention, i.e., in the risk networks of recently infected people there are other people with recent HIV infection and they can be successfully located without increasing stigma for project participants.
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Affiliation(s)
- T I Vasylyeva
- a International HIV/AIDS Alliance in Ukraine , Kyiv , Ukraine
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