Search for invisible decays of sub-GeV dark photons in missing-energy events at the CERN SPS

We report on a direct search for sub-GeV dark photons (A′), which might be produced in the reaction e-Z→e-ZA′ via kinetic mixing with photons by 100 GeV electrons incident on an active target in the NA64 experiment at the CERN SPS. The dark photons would decay invisibly into dark matter particles re...

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Detalles Bibliográficos
Autores principales: Banerjee, D., Burtsev, V., Cooke, D., Crivelli, P., Depero, E., Dermenev, A.V., Donskov, S.V., Dubinin, F., Dusaev, R.R., Emmenegger, S., Fabich, A., Frolov, V.N., Gardikiotis, A., Gninenko, S.N., Hösgen, M., Kachanov, V.A., Karneyeu, A.E., Ketzer, B., Kirpichnikov, D.V., Kirsanov, M.M., Kovalenko, S.G., Kramarenko, V.A., Kravchuk, L.V., Krasnikov, N.V., Kuleshov, S.V., Lyubovitskij, V.E., Lysan, V., Matveev, V.A., Mikhailov, Yu. V., Myalkovskiy, V.V., Peshekhonov, V.D., Peshekhonov, D.V., Petuhov, O., Polyakov, V.A., Radics, B., Rubbia, A., Samoylenko, V.D., Tikhomirov, V.O., Tlisov, D.A., Toropin, A.N., Trifonov, A.Yu., Vasilishin, B., Vasquez Arenas, G., Ulloa, P., Zhukov, K., Zioutas, K.
Lenguaje:eng
Publicado: 2016
Materias:
hep-ph
Particle Physics - Phenomenology
hep-ex
Particle Physics - Experiment
Acceso en línea:https://dx.doi.org/10.1103/PhysRevLett.118.011802
http://cds.cern.ch/record/2223648
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author Banerjee, D.
Burtsev, V.
Cooke, D.
Crivelli, P.
Depero, E.
Dermenev, A.V.
Donskov, S.V.
Dubinin, F.
Dusaev, R.R.
Emmenegger, S.
Fabich, A.
Frolov, V.N.
Gardikiotis, A.
Gninenko, S.N.
Hösgen, M.
Kachanov, V.A.
Karneyeu, A.E.
Ketzer, B.
Kirpichnikov, D.V.
Kirsanov, M.M.
Kovalenko, S.G.
Kramarenko, V.A.
Kravchuk, L.V.
Krasnikov, N.V.
Kuleshov, S.V.
Lyubovitskij, V.E.
Lysan, V.
Matveev, V.A.
Mikhailov, Yu. V.
Myalkovskiy, V.V.
Peshekhonov, V.D.
Peshekhonov, D.V.
Petuhov, O.
Polyakov, V.A.
Radics, B.
Rubbia, A.
Samoylenko, V.D.
Tikhomirov, V.O.
Tlisov, D.A.
Toropin, A.N.
Trifonov, A.Yu.
Vasilishin, B.
Vasquez Arenas, G.
Ulloa, P.
Zhukov, K.
Zioutas, K.
author_facet Banerjee, D.
Burtsev, V.
Cooke, D.
Crivelli, P.
Depero, E.
Dermenev, A.V.
Donskov, S.V.
Dubinin, F.
Dusaev, R.R.
Emmenegger, S.
Fabich, A.
Frolov, V.N.
Gardikiotis, A.
Gninenko, S.N.
Hösgen, M.
Kachanov, V.A.
Karneyeu, A.E.
Ketzer, B.
Kirpichnikov, D.V.
Kirsanov, M.M.
Kovalenko, S.G.
Kramarenko, V.A.
Kravchuk, L.V.
Krasnikov, N.V.
Kuleshov, S.V.
Lyubovitskij, V.E.
Lysan, V.
Matveev, V.A.
Mikhailov, Yu. V.
Myalkovskiy, V.V.
Peshekhonov, V.D.
Peshekhonov, D.V.
Petuhov, O.
Polyakov, V.A.
Radics, B.
Rubbia, A.
Samoylenko, V.D.
Tikhomirov, V.O.
Tlisov, D.A.
Toropin, A.N.
Trifonov, A.Yu.
Vasilishin, B.
Vasquez Arenas, G.
Ulloa, P.
Zhukov, K.
Zioutas, K.
author_sort Banerjee, D.
collection CERN
description We report on a direct search for sub-GeV dark photons (A′), which might be produced in the reaction e-Z→e-ZA′ via kinetic mixing with photons by 100 GeV electrons incident on an active target in the NA64 experiment at the CERN SPS. The dark photons would decay invisibly into dark matter particles resulting in events with large missing energy. No evidence for such decays was found with 2.75×109 electrons on target. We set new limits on the γ-A′ mixing strength and exclude the invisible A′ with a mass ≲100  MeV as an explanation of the muon gμ-2 anomaly.
id cern-2223648
institution Organización Europea para la Investigación Nuclear
language eng
publishDate 2016
record_format invenio
spelling cern-22236482023-10-06T03:32:12Zdoi:10.1103/PhysRevLett.118.011802http://cds.cern.ch/record/2223648engBanerjee, D.Burtsev, V.Cooke, D.Crivelli, P.Depero, E.Dermenev, A.V.Donskov, S.V.Dubinin, F.Dusaev, R.R.Emmenegger, S.Fabich, A.Frolov, V.N.Gardikiotis, A.Gninenko, S.N.Hösgen, M.Kachanov, V.A.Karneyeu, A.E.Ketzer, B.Kirpichnikov, D.V.Kirsanov, M.M.Kovalenko, S.G.Kramarenko, V.A.Kravchuk, L.V.Krasnikov, N.V.Kuleshov, S.V.Lyubovitskij, V.E.Lysan, V.Matveev, V.A.Mikhailov, Yu. V.Myalkovskiy, V.V.Peshekhonov, V.D.Peshekhonov, D.V.Petuhov, O.Polyakov, V.A.Radics, B.Rubbia, A.Samoylenko, V.D.Tikhomirov, V.O.Tlisov, D.A.Toropin, A.N.Trifonov, A.Yu.Vasilishin, B.Vasquez Arenas, G.Ulloa, P.Zhukov, K.Zioutas, K.Search for invisible decays of sub-GeV dark photons in missing-energy events at the CERN SPShep-phParticle Physics - Phenomenologyhep-exParticle Physics - ExperimentWe report on a direct search for sub-GeV dark photons (A′), which might be produced in the reaction e-Z→e-ZA′ via kinetic mixing with photons by 100 GeV electrons incident on an active target in the NA64 experiment at the CERN SPS. The dark photons would decay invisibly into dark matter particles resulting in events with large missing energy. No evidence for such decays was found with 2.75×109 electrons on target. We set new limits on the γ-A′ mixing strength and exclude the invisible A′ with a mass ≲100  MeV as an explanation of the muon gμ-2 anomaly.We report on a direct search for sub-GeV dark photons (A') which might be produced in the reaction e^- Z \to e^- Z A' via kinetic mixing with photons by 100 GeV electrons incident on an active target in the NA64 experiment at the CERN SPS. The A's would decay invisibly into dark matter particles resulting in events with large missing energy. No evidence for such decays was found with 2.75\cdot 10^{9} electrons on target. We set new limits on the \gamma-A' mixing strength and exclude the invisible A' with a mass < 100 MeV as an explanation of the muon g_\mu-2 anomaly.arXiv:1610.02988oai:cds.cern.ch:22236482016-10-10
spellingShingle hep-ph
Particle Physics - Phenomenology
hep-ex
Particle Physics - Experiment
Banerjee, D.
Burtsev, V.
Cooke, D.
Crivelli, P.
Depero, E.
Dermenev, A.V.
Donskov, S.V.
Dubinin, F.
Dusaev, R.R.
Emmenegger, S.
Fabich, A.
Frolov, V.N.
Gardikiotis, A.
Gninenko, S.N.
Hösgen, M.
Kachanov, V.A.
Karneyeu, A.E.
Ketzer, B.
Kirpichnikov, D.V.
Kirsanov, M.M.
Kovalenko, S.G.
Kramarenko, V.A.
Kravchuk, L.V.
Krasnikov, N.V.
Kuleshov, S.V.
Lyubovitskij, V.E.
Lysan, V.
Matveev, V.A.
Mikhailov, Yu. V.
Myalkovskiy, V.V.
Peshekhonov, V.D.
Peshekhonov, D.V.
Petuhov, O.
Polyakov, V.A.
Radics, B.
Rubbia, A.
Samoylenko, V.D.
Tikhomirov, V.O.
Tlisov, D.A.
Toropin, A.N.
Trifonov, A.Yu.
Vasilishin, B.
Vasquez Arenas, G.
Ulloa, P.
Zhukov, K.
Zioutas, K.
Search for invisible decays of sub-GeV dark photons in missing-energy events at the CERN SPS
title Search for invisible decays of sub-GeV dark photons in missing-energy events at the CERN SPS
title_full Search for invisible decays of sub-GeV dark photons in missing-energy events at the CERN SPS
title_fullStr Search for invisible decays of sub-GeV dark photons in missing-energy events at the CERN SPS
title_full_unstemmed Search for invisible decays of sub-GeV dark photons in missing-energy events at the CERN SPS
title_short Search for invisible decays of sub-GeV dark photons in missing-energy events at the CERN SPS
title_sort search for invisible decays of sub-gev dark photons in missing-energy events at the cern sps
topic hep-ph
Particle Physics - Phenomenology
hep-ex
Particle Physics - Experiment
url https://dx.doi.org/10.1103/PhysRevLett.118.011802
http://cds.cern.ch/record/2223648
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