An improved limit on the axion-photon coupling from the CAST experiment

S. Andriamonje; S. Aune; D. Autiero; K. Barth; A. Belov; B. Beltrán; H. Bräuninger; J. M. Carmona; S. Cebrián; J. I. Collar; T. Dafni; M. Davenport; L. Di Lella; C. Eleftheriadis; J. Englhauser; G. Fanourakis; E. Ferrer Ribas; H. Fischer; J. Franz; P. Friedrich; T. Geralis; I. Giomataris; S. Gninenko; H. Gómez; M. Hasinoff; F. H. Heinsius; D. H.H. Hoffmann; I. G. Irastorza; J. Jacoby; K. Jaković; D. Kang; K. Königsmann; R. Kotthaus; M. Krmar; K. Kousouris; M. Kuster; B. Lakić; C. Lasseur; A. Liolios; A. Ljubiić; G. Lutz; G. Luzón; D. Miller; A. Morales; J. Morales; A. Ortiz; T. Papaevangelou; A. Placci; G. Raffelt; H. Riege; A. Rodríguez; J. Ruz; I. Savvidis; Y. Semertzidis; P. Serpico; L. Stewart; J. Vieira; J. Villar; J. Vogel; L. Walckiers; K. Zioutas

doi:10.1088/1475-7516/2007/04/010

An improved limit on the axion-photon coupling from the CAST experiment

S. Andriamonje, S. Aune, D. Autiero, K. Barth, A. Belov, B. Beltrán, H. Bräuninger, J. M. Carmona, S. Cebrián, J. I. Collar, T. Dafni, M. Davenport, L. Di Lella, C. Eleftheriadis, J. Englhauser, G. Fanourakis, E. Ferrer Ribas, H. Fischer, J. Franz, P. FriedrichT. Geralis, I. Giomataris, S. Gninenko, H. Gómez, M. Hasinoff, F. H. Heinsius, D. H.H. Hoffmann, I. G. Irastorza, J. Jacoby, K. Jaković, D. Kang, K. Königsmann, R. Kotthaus, M. Krmar, K. Kousouris, M. Kuster, B. Lakić, C. Lasseur, A. Liolios, A. Ljubiić, G. Lutz, G. Luzón, D. Miller, A. Morales, J. Morales, A. Ortiz, T. Papaevangelou, A. Placci, G. Raffelt, H. Riege, A. Rodríguez, J. Ruz, I. Savvidis, Y. Semertzidis, P. Serpico, L. Stewart, J. Vieira, J. Villar, J. Vogel, L. Walckiers, K. Zioutas

Research output: Contribution to journal › Article › peer-review

Abstract

We have searched for solar axions or similar particles that couple to two photons by using the CERN Axion Solar Telescope (CAST) set-up with improved conditions in all detectors. From the absence of excess x-rays when the magnet was pointing to the Sun, we set an upper limit on the axion-photon coupling of g_aγ<8.8 × 10^-11GeV^-1 at 95% CL for . This result is the best experimental limit over a broad range of axion masses and for also supersedes the previous limit derived from energy-loss arguments on globular cluster stars.

Original language	English (US)
Article number	010
Journal	Journal of Cosmology and Astroparticle Physics
Issue number	4
DOIs	https://doi.org/10.1088/1475-7516/2007/04/010
State	Published - Apr 1 2007
Externally published	Yes

Keywords

Axions
Magnetic fields

ASJC Scopus subject areas

Astronomy and Astrophysics

Online availability

10.1088/1475-7516/2007/04/010

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Andriamonje, S., Aune, S., Autiero, D., Barth, K., Belov, A., Beltrán, B., Bräuninger, H., Carmona, J. M., Cebrián, S., Collar, J. I., Dafni, T., Davenport, M., Di Lella, L., Eleftheriadis, C., Englhauser, J., Fanourakis, G., Ferrer Ribas, E., Fischer, H., Franz, J., ... Zioutas, K. (2007). An improved limit on the axion-photon coupling from the CAST experiment. Journal of Cosmology and Astroparticle Physics, (4), Article 010. https://doi.org/10.1088/1475-7516/2007/04/010

Andriamonje, S, Aune, S, Autiero, D, Barth, K, Belov, A, Beltrán, B, Bräuninger, H, Carmona, JM, Cebrián, S, Collar, JI, Dafni, T, Davenport, M, Di Lella, L, Eleftheriadis, C, Englhauser, J, Fanourakis, G, Ferrer Ribas, E, Fischer, H, Franz, J, Friedrich, P, Geralis, T, Giomataris, I, Gninenko, S, Gómez, H, Hasinoff, M, Heinsius, FH, Hoffmann, DHH, Irastorza, IG, Jacoby, J, Jaković, K, Kang, D, Königsmann, K, Kotthaus, R, Krmar, M, Kousouris, K, Kuster, M, Lakić, B, Lasseur, C, Liolios, A, Ljubiić, A, Lutz, G, Luzón, G, Miller, D, Morales, A, Morales, J, Ortiz, A, Papaevangelou, T, Placci, A, Raffelt, G, Riege, H, Rodríguez, A, Ruz, J, Savvidis, I, Semertzidis, Y, Serpico, P, Stewart, L, Vieira, J, Villar, J, Vogel, J, Walckiers, L & Zioutas, K 2007, 'An improved limit on the axion-photon coupling from the CAST experiment', Journal of Cosmology and Astroparticle Physics, no. 4, 010. https://doi.org/10.1088/1475-7516/2007/04/010

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title = "An improved limit on the axion-photon coupling from the CAST experiment",

abstract = "We have searched for solar axions or similar particles that couple to two photons by using the CERN Axion Solar Telescope (CAST) set-up with improved conditions in all detectors. From the absence of excess x-rays when the magnet was pointing to the Sun, we set an upper limit on the axion-photon coupling of gaγ<8.8 × 10-11GeV-1 at 95% CL for . This result is the best experimental limit over a broad range of axion masses and for also supersedes the previous limit derived from energy-loss arguments on globular cluster stars.",

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author = "S. Andriamonje and S. Aune and D. Autiero and K. Barth and A. Belov and B. Beltr{\'a}n and H. Br{\"a}uninger and Carmona, {J. M.} and S. Cebri{\'a}n and Collar, {J. I.} and T. Dafni and M. Davenport and {Di Lella}, L. and C. Eleftheriadis and J. Englhauser and G. Fanourakis and {Ferrer Ribas}, E. and H. Fischer and J. Franz and P. Friedrich and T. Geralis and I. Giomataris and S. Gninenko and H. G{\'o}mez and M. Hasinoff and Heinsius, {F. H.} and Hoffmann, {D. H.H.} and Irastorza, {I. G.} and J. Jacoby and K. Jakovi{\'c} and D. Kang and K. K{\"o}nigsmann and R. Kotthaus and M. Krmar and K. Kousouris and M. Kuster and B. Laki{\'c} and C. Lasseur and A. Liolios and A. Ljubii{\'c} and G. Lutz and G. Luz{\'o}n and D. Miller and A. Morales and J. Morales and A. Ortiz and T. Papaevangelou and A. Placci and G. Raffelt and H. Riege and A. Rodr{\'i}guez and J. Ruz and I. Savvidis and Y. Semertzidis and P. Serpico and L. Stewart and J. Vieira and J. Villar and J. Vogel and L. Walckiers and K. Zioutas",

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T1 - An improved limit on the axion-photon coupling from the CAST experiment

AU - Andriamonje, S.

AU - Aune, S.

AU - Autiero, D.

AU - Barth, K.

AU - Belov, A.

AU - Beltrán, B.

AU - Bräuninger, H.

AU - Carmona, J. M.

AU - Cebrián, S.

AU - Collar, J. I.

AU - Dafni, T.

AU - Davenport, M.

AU - Di Lella, L.

AU - Eleftheriadis, C.

AU - Englhauser, J.

AU - Fanourakis, G.

AU - Ferrer Ribas, E.

AU - Fischer, H.

AU - Franz, J.

AU - Friedrich, P.

AU - Geralis, T.

AU - Giomataris, I.

AU - Gninenko, S.

AU - Gómez, H.

AU - Hasinoff, M.

AU - Heinsius, F. H.

AU - Hoffmann, D. H.H.

AU - Irastorza, I. G.

AU - Jacoby, J.

AU - Jaković, K.

AU - Kang, D.

AU - Königsmann, K.

AU - Kotthaus, R.

AU - Krmar, M.

AU - Kousouris, K.

AU - Kuster, M.

AU - Lakić, B.

AU - Lasseur, C.

AU - Liolios, A.

AU - Ljubiić, A.

AU - Lutz, G.

AU - Luzón, G.

AU - Miller, D.

AU - Morales, A.

AU - Morales, J.

AU - Ortiz, A.

AU - Papaevangelou, T.

AU - Placci, A.

AU - Raffelt, G.

AU - Riege, H.

AU - Rodríguez, A.

AU - Ruz, J.

AU - Savvidis, I.

AU - Semertzidis, Y.

AU - Serpico, P.

AU - Stewart, L.

AU - Vieira, J.

AU - Villar, J.

AU - Vogel, J.

AU - Walckiers, L.

AU - Zioutas, K.

PY - 2007/4/1

Y1 - 2007/4/1

N2 - We have searched for solar axions or similar particles that couple to two photons by using the CERN Axion Solar Telescope (CAST) set-up with improved conditions in all detectors. From the absence of excess x-rays when the magnet was pointing to the Sun, we set an upper limit on the axion-photon coupling of gaγ<8.8 × 10-11GeV-1 at 95% CL for . This result is the best experimental limit over a broad range of axion masses and for also supersedes the previous limit derived from energy-loss arguments on globular cluster stars.

AB - We have searched for solar axions or similar particles that couple to two photons by using the CERN Axion Solar Telescope (CAST) set-up with improved conditions in all detectors. From the absence of excess x-rays when the magnet was pointing to the Sun, we set an upper limit on the axion-photon coupling of gaγ<8.8 × 10-11GeV-1 at 95% CL for . This result is the best experimental limit over a broad range of axion masses and for also supersedes the previous limit derived from energy-loss arguments on globular cluster stars.

KW - Axions

KW - Magnetic fields

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U2 - 10.1088/1475-7516/2007/04/010

DO - 10.1088/1475-7516/2007/04/010

M3 - Article

AN - SCOPUS:42749100224

SN - 1475-7516

JO - Journal of Cosmology and Astroparticle Physics

JF - Journal of Cosmology and Astroparticle Physics

IS - 4

M1 - 010

ER -

An improved limit on the axion-photon coupling from the CAST experiment

Abstract

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