Cargando…
Search for Axionlike and Scalar Particles with the NA64 Experiment
We carried out a model-independent search for light scalar (s) and pseudoscalar axionlike (a) particles that couple to two photons by using the high-energy CERN SPS H4 electron beam. The new particles, if they exist, could be produced through the Primakoff effect in interactions of hard bremsstrahlu...
| Autores principales: | , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , |
|---|---|
| Lenguaje: | eng |
| Publicado: |
2020
|
| Materias: | |
| Acceso en línea: | https://dx.doi.org/10.1103/PhysRevLett.125.081801 http://cds.cern.ch/record/2716346 |
| _version_ | 1780965457178656768 |
|---|---|
| author | Banerjee, D. Bernhard, J. Burtsev, V.E. Chumakov, A.G. Cooke, D. Crivelli, P. Depero, E. Dermenev, A.V. Donskov, S.V. Dusaev, R.R. Enik, T. Charitonidis, N. Feshchenko, A. Frolov, V.N. Gardikiotis, A. Gerassimov, S.G. Gninenko, S.N. Hösgen, M. Jeckel, M. Kachanov, V.A. Karneyeu, A.E. Kekelidze, G. Ketzer, B. Kirpichnikov, D.V. Kirsanov, M.M. Kolosov, V.N. Konorov, I.V. 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. Molina Bueno, L. Peshekhonov, D.V. Polyakov, V.A. Radics, B. Rojas, R. Rubbia, A. Samoylenko, V.D. Sieber, H. Shchukin, D. Tikhomirov, V.O. Tlisova, I. Tlisov, D.A. Toropin, A.N. Trifonov, A. Yu Vasilishin, B.I. Vasquez Arenas, G. Volkov, P.V. Volkov, V.Yu. Ulloa, P. |
| author_facet | Banerjee, D. Bernhard, J. Burtsev, V.E. Chumakov, A.G. Cooke, D. Crivelli, P. Depero, E. Dermenev, A.V. Donskov, S.V. Dusaev, R.R. Enik, T. Charitonidis, N. Feshchenko, A. Frolov, V.N. Gardikiotis, A. Gerassimov, S.G. Gninenko, S.N. Hösgen, M. Jeckel, M. Kachanov, V.A. Karneyeu, A.E. Kekelidze, G. Ketzer, B. Kirpichnikov, D.V. Kirsanov, M.M. Kolosov, V.N. Konorov, I.V. 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. Molina Bueno, L. Peshekhonov, D.V. Polyakov, V.A. Radics, B. Rojas, R. Rubbia, A. Samoylenko, V.D. Sieber, H. Shchukin, D. Tikhomirov, V.O. Tlisova, I. Tlisov, D.A. Toropin, A.N. Trifonov, A. Yu Vasilishin, B.I. Vasquez Arenas, G. Volkov, P.V. Volkov, V.Yu. Ulloa, P. |
| author_sort | Banerjee, D. |
| collection | CERN |
| description | We carried out a model-independent search for light scalar (s) and pseudoscalar axionlike (a) particles that couple to two photons by using the high-energy CERN SPS H4 electron beam. The new particles, if they exist, could be produced through the Primakoff effect in interactions of hard bremsstrahlung photons generated by 100 GeV electrons in the NA64 active dump with virtual photons provided by the nuclei of the dump. The a(s) would penetrate the downstream HCAL module, serving as a shield, and would be observed either through their a(s)→γγ decay in the rest of the HCAL detector, or as events with a large missing energy if the a(s) decays downstream of the HCAL. This method allows for the probing of the a(s) parameter space, including those from generic axion models, inaccessible to previous experiments. No evidence of such processes has been found from the analysis of the data corresponding to 2.84×1011 electrons on target, allowing us to set new limits on the a(s)γγ-coupling strength for a(s) masses below 55 MeV. |
| id | cern-2716346 |
| institution | Organización Europea para la Investigación Nuclear |
| language | eng |
| publishDate | 2020 |
| record_format | invenio |
| spelling | cern-27163462023-10-06T03:02:20Zdoi:10.1103/PhysRevLett.125.081801http://cds.cern.ch/record/2716346engBanerjee, D.Bernhard, J.Burtsev, V.E.Chumakov, A.G.Cooke, D.Crivelli, P.Depero, E.Dermenev, A.V.Donskov, S.V.Dusaev, R.R.Enik, T.Charitonidis, N.Feshchenko, A.Frolov, V.N.Gardikiotis, A.Gerassimov, S.G.Gninenko, S.N.Hösgen, M.Jeckel, M.Kachanov, V.A.Karneyeu, A.E.Kekelidze, G.Ketzer, B.Kirpichnikov, D.V.Kirsanov, M.M.Kolosov, V.N.Konorov, I.V.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.Molina Bueno, L.Peshekhonov, D.V.Polyakov, V.A.Radics, B.Rojas, R.Rubbia, A.Samoylenko, V.D.Sieber, H.Shchukin, D.Tikhomirov, V.O.Tlisova, I.Tlisov, D.A.Toropin, A.N.Trifonov, A. YuVasilishin, B.I.Vasquez Arenas, G.Volkov, P.V.Volkov, V.Yu.Ulloa, P.Search for Axionlike and Scalar Particles with the NA64 ExperimentParticle Physics - ExperimentParticle Physics - Phenomenologyhep-phhep-exWe carried out a model-independent search for light scalar (s) and pseudoscalar axionlike (a) particles that couple to two photons by using the high-energy CERN SPS H4 electron beam. The new particles, if they exist, could be produced through the Primakoff effect in interactions of hard bremsstrahlung photons generated by 100 GeV electrons in the NA64 active dump with virtual photons provided by the nuclei of the dump. The a(s) would penetrate the downstream HCAL module, serving as a shield, and would be observed either through their a(s)→γγ decay in the rest of the HCAL detector, or as events with a large missing energy if the a(s) decays downstream of the HCAL. This method allows for the probing of the a(s) parameter space, including those from generic axion models, inaccessible to previous experiments. No evidence of such processes has been found from the analysis of the data corresponding to 2.84×1011 electrons on target, allowing us to set new limits on the a(s)γγ-coupling strength for a(s) masses below 55 MeV.We carried out a model-independent search for light scalar (s) and pseudoscalar axionlike (a) particles that couple to two photons by using the high-energy CERN SPS H4 electron beam. The new particles, if they exist, could be produced through the Primakoff effect in interactions of hard bremsstrahlung photons generated by 100 GeV electrons in the NA64 active dump with virtual photons provided by the nuclei of the dump. The a(s) would penetrate the downstream HCAL module, serving as shielding, and would be observed either through their $a(s)\to\gamma \gamma$ decay in the rest of the HCAL detector or as events with large missing energy if the a(s) decays downstream of the HCAL. This method allows for the probing the a(s) parameter space, including those from generic axion models, inaccessible to previous experiments. No evidence of such processes has been found from the analysis of the data corresponding to $2.84\times10^{11}$ electrons on target allowing to set new limits on the $a(s)\gamma\gamma$-coupling strength for a(s) masses below 55 MeV.arXiv:2005.02710CERN-EP-2020-068oai:cds.cern.ch:27163462020-05-18 |
| spellingShingle | Particle Physics - Experiment Particle Physics - Phenomenology hep-ph hep-ex Banerjee, D. Bernhard, J. Burtsev, V.E. Chumakov, A.G. Cooke, D. Crivelli, P. Depero, E. Dermenev, A.V. Donskov, S.V. Dusaev, R.R. Enik, T. Charitonidis, N. Feshchenko, A. Frolov, V.N. Gardikiotis, A. Gerassimov, S.G. Gninenko, S.N. Hösgen, M. Jeckel, M. Kachanov, V.A. Karneyeu, A.E. Kekelidze, G. Ketzer, B. Kirpichnikov, D.V. Kirsanov, M.M. Kolosov, V.N. Konorov, I.V. 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. Molina Bueno, L. Peshekhonov, D.V. Polyakov, V.A. Radics, B. Rojas, R. Rubbia, A. Samoylenko, V.D. Sieber, H. Shchukin, D. Tikhomirov, V.O. Tlisova, I. Tlisov, D.A. Toropin, A.N. Trifonov, A. Yu Vasilishin, B.I. Vasquez Arenas, G. Volkov, P.V. Volkov, V.Yu. Ulloa, P. Search for Axionlike and Scalar Particles with the NA64 Experiment |
| title | Search for Axionlike and Scalar Particles with the NA64 Experiment |
| title_full | Search for Axionlike and Scalar Particles with the NA64 Experiment |
| title_fullStr | Search for Axionlike and Scalar Particles with the NA64 Experiment |
| title_full_unstemmed | Search for Axionlike and Scalar Particles with the NA64 Experiment |
| title_short | Search for Axionlike and Scalar Particles with the NA64 Experiment |
| title_sort | search for axionlike and scalar particles with the na64 experiment |
| topic | Particle Physics - Experiment Particle Physics - Phenomenology hep-ph hep-ex |
| url | https://dx.doi.org/10.1103/PhysRevLett.125.081801 http://cds.cern.ch/record/2716346 |
| work_keys_str_mv | AT banerjeed searchforaxionlikeandscalarparticleswiththena64experiment AT bernhardj searchforaxionlikeandscalarparticleswiththena64experiment AT burtsevve searchforaxionlikeandscalarparticleswiththena64experiment AT chumakovag searchforaxionlikeandscalarparticleswiththena64experiment AT cooked searchforaxionlikeandscalarparticleswiththena64experiment AT crivellip searchforaxionlikeandscalarparticleswiththena64experiment AT deperoe searchforaxionlikeandscalarparticleswiththena64experiment AT dermenevav searchforaxionlikeandscalarparticleswiththena64experiment AT donskovsv searchforaxionlikeandscalarparticleswiththena64experiment AT dusaevrr searchforaxionlikeandscalarparticleswiththena64experiment AT enikt searchforaxionlikeandscalarparticleswiththena64experiment AT charitonidisn searchforaxionlikeandscalarparticleswiththena64experiment AT feshchenkoa searchforaxionlikeandscalarparticleswiththena64experiment AT frolovvn searchforaxionlikeandscalarparticleswiththena64experiment AT gardikiotisa searchforaxionlikeandscalarparticleswiththena64experiment AT gerassimovsg searchforaxionlikeandscalarparticleswiththena64experiment AT gninenkosn searchforaxionlikeandscalarparticleswiththena64experiment AT hosgenm searchforaxionlikeandscalarparticleswiththena64experiment AT jeckelm searchforaxionlikeandscalarparticleswiththena64experiment AT kachanovva searchforaxionlikeandscalarparticleswiththena64experiment AT karneyeuae searchforaxionlikeandscalarparticleswiththena64experiment AT kekelidzeg searchforaxionlikeandscalarparticleswiththena64experiment AT ketzerb searchforaxionlikeandscalarparticleswiththena64experiment AT kirpichnikovdv searchforaxionlikeandscalarparticleswiththena64experiment AT kirsanovmm searchforaxionlikeandscalarparticleswiththena64experiment AT kolosovvn searchforaxionlikeandscalarparticleswiththena64experiment AT konoroviv searchforaxionlikeandscalarparticleswiththena64experiment AT kovalenkosg searchforaxionlikeandscalarparticleswiththena64experiment AT kramarenkova searchforaxionlikeandscalarparticleswiththena64experiment AT kravchuklv searchforaxionlikeandscalarparticleswiththena64experiment AT krasnikovnv searchforaxionlikeandscalarparticleswiththena64experiment AT kuleshovsv searchforaxionlikeandscalarparticleswiththena64experiment AT lyubovitskijve searchforaxionlikeandscalarparticleswiththena64experiment AT lysanv searchforaxionlikeandscalarparticleswiththena64experiment AT matveevva searchforaxionlikeandscalarparticleswiththena64experiment AT mikhailovyuv searchforaxionlikeandscalarparticleswiththena64experiment AT molinabuenol searchforaxionlikeandscalarparticleswiththena64experiment AT peshekhonovdv searchforaxionlikeandscalarparticleswiththena64experiment AT polyakovva searchforaxionlikeandscalarparticleswiththena64experiment AT radicsb searchforaxionlikeandscalarparticleswiththena64experiment AT rojasr searchforaxionlikeandscalarparticleswiththena64experiment AT rubbiaa searchforaxionlikeandscalarparticleswiththena64experiment AT samoylenkovd searchforaxionlikeandscalarparticleswiththena64experiment AT sieberh searchforaxionlikeandscalarparticleswiththena64experiment AT shchukind searchforaxionlikeandscalarparticleswiththena64experiment AT tikhomirovvo searchforaxionlikeandscalarparticleswiththena64experiment AT tlisovai searchforaxionlikeandscalarparticleswiththena64experiment AT tlisovda searchforaxionlikeandscalarparticleswiththena64experiment AT toropinan searchforaxionlikeandscalarparticleswiththena64experiment AT trifonovayu searchforaxionlikeandscalarparticleswiththena64experiment AT vasilishinbi searchforaxionlikeandscalarparticleswiththena64experiment AT vasquezarenasg searchforaxionlikeandscalarparticleswiththena64experiment AT volkovpv searchforaxionlikeandscalarparticleswiththena64experiment AT volkovvyu searchforaxionlikeandscalarparticleswiththena64experiment AT ulloap searchforaxionlikeandscalarparticleswiththena64experiment |