Search for a dark photon in the π0→e+e-γ decay

P. Adlarson; W. Augustyniak; W. Bardan; M. Bashkanov; F. S. Bergmann; M. Berłowski; H. Bhatt; A. Bondar; M. Büscher; H. Calén; I. Ciepał; H. Clement; D. Coderre; E. Czerwiński; K. Demmich; E. Doroshkevich; R. Engels; W. Erven; W. Eyrich; P. Fedorets; K. Föhl; K. Fransson; F. Goldenbaum; P. Goslawski; A. Goswami; K. Grigoryev; C. O. Gullström; F. Hauenstein; L. Heijkenskjöld; V. Hejny; F. Hinterberger; M. Hodana; B. Höistad; A. Jany; B. R. Jany; L. Jarczyk; T. Johansson; B. Kamys; G. Kemmerling; F. A. Khan; A. Khoukaz; S. Kistryn; J. Klaja; H. Kleines; D. A. Kirillov; B. Kłos; M. Krapp; W. Krzemień; P. Kulessa; A. Kupść; A. Kuzmin; K. Lalwani; D. Lersch; L. Li; B. Lorentz; A. Magiera; R. Maier; P. Marciniewski; B. Mariański; U. G. Meißner; M. Mikirtychiants; H. P. Morsch; P. Moskal; B. K. Nandi; H. Ohm; I. Ozerianska; E. Perez del Rio; N. M. Piskunov; P. Pluciński; P. Podkopał; D. Prasuhn; A. Pricking; D. Pszczel; K. Pysz; A. Pyszniak; C. F. Redmer; J. Ritman; A. Roy; Z. Rudy; S. Sawant; S. Schadmand; A. Schmidt; T. Sefzick; V. Serdyuk; N. Shah; B. Shwartz; M. Siemaszko; R. Siudak; T. Skorodko; M. Skurzok; J. Smyrski; V. Sopov; R. Stassen; J. Stepaniak; E. Stephan; G. Sterzenbach; H. Stockhorst; H. Ströher; A. Szczurek; T. Tolba; A. Trzciński; R. Varma; G. J. Wagner; W. Wȩglorz; A. Wirzba; M. Wolke; A. Wrońska; P. Wüstner; P. Wurm; A. Yamamoto; J. Zabierowski; M. J. Zieliński; W. Zipper; J. Złomańczuk; P. Zuprański; M. Zurek

doi:10.1016/j.physletb.2013.08.055

Search for a dark photon in the π⁰→e⁺e^-γ decay

P. Adlarson, W. Augustyniak, W. Bardan, M. Bashkanov, F. S. Bergmann, M. Berłowski, H. Bhatt, A. Bondar, M. Büscher, H. Calén, I. Ciepał, H. Clement, D. Coderre, E. Czerwiński, K. Demmich, E. Doroshkevich, R. Engels, W. Erven, W. Eyrich, P. FedoretsK. Föhl, K. Fransson, F. Goldenbaum, P. Goslawski, A. Goswami, K. Grigoryev, C. O. Gullström, F. Hauenstein, L. Heijkenskjöld, V. Hejny, F. Hinterberger, M. Hodana, B. Höistad, A. Jany, B. R. Jany, L. Jarczyk, T. Johansson, B. Kamys, G. Kemmerling, F. A. Khan, A. Khoukaz, S. Kistryn, J. Klaja, H. Kleines, D. A. Kirillov, B. Kłos, M. Krapp, W. Krzemień, P. Kulessa, A. Kupść^*, A. Kuzmin, K. Lalwani, D. Lersch, L. Li, B. Lorentz, A. Magiera, R. Maier, P. Marciniewski, B. Mariański, U. G. Meißner, M. Mikirtychiants, H. P. Morsch, P. Moskal, B. K. Nandi, H. Ohm, I. Ozerianska, E. Perez del Rio, N. M. Piskunov, P. Pluciński, P. Podkopał, D. Prasuhn, A. Pricking, D. Pszczel, K. Pysz, A. Pyszniak, C. F. Redmer, J. Ritman, A. Roy, Z. Rudy, S. Sawant, S. Schadmand, A. Schmidt, T. Sefzick, V. Serdyuk, N. Shah, B. Shwartz, M. Siemaszko, R. Siudak, T. Skorodko, M. Skurzok, J. Smyrski, V. Sopov, R. Stassen, J. Stepaniak, E. Stephan, G. Sterzenbach, H. Stockhorst, H. Ströher, A. Szczurek, T. Tolba, A. Trzciński, R. Varma, G. J. Wagner, W. Wȩglorz, A. Wirzba, M. Wolke, A. Wrońska, P. Wüstner, P. Wurm, A. Yamamoto, J. Zabierowski, M. J. Zieliński, W. Zipper, J. Złomańczuk, P. Zuprański, M. Zurek

^*Corresponding author for this work

Physics

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

Abstract

The presently world largest data sample for π⁰→γe⁺e^- decays studies containing nearly 5×10⁵ events was collected using the WASA detector at COSY. A search for a dark photon U produced in the π⁰→γU→γe⁺e^- decay from the pp→ppπ⁰ reaction was carried out. An upper limit on the square of the U-γ mixing strength parameter ε² of 5×10^-6 at 90% CL was obtained for the mass range 20 MeV<M_U<100 MeV. This result together with other recent experimental limits significantly reduces the M_U vs. ε² parameter space which could explain the presently seen deviation between the Standard Model prediction and the direct measurement of the anomalous magnetic moment of the muon.

Original language	English
Pages (from-to)	187-193
Number of pages	7
Journal	Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume	726
Issue number	1-3
DOIs	https://doi.org/10.1016/j.physletb.2013.08.055
Publication status	Published - 9 Sept 2013

Keywords

Dark forces
Gauge vector boson

Access to Document

10.1016/j.physletb.2013.08.055

Cite this

Adlarson, P., Augustyniak, W., Bardan, W., Bashkanov, M., Bergmann, F. S., Berłowski, M., Bhatt, H., Bondar, A., Büscher, M., Calén, H., Ciepał, I., Clement, H., Coderre, D., Czerwiński, E., Demmich, K., Doroshkevich, E., Engels, R., Erven, W., Eyrich, W., ... Zurek, M. (2013). Search for a dark photon in the π⁰→e⁺e^-γ decay. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 726(1-3), 187-193. https://doi.org/10.1016/j.physletb.2013.08.055

@article{56fac9e48c674434a4e303cc375a90ff,

title = "Search for a dark photon in the π0→e+e-γ decay",

abstract = "The presently world largest data sample for π0→γe+e- decays studies containing nearly 5×105 events was collected using the WASA detector at COSY. A search for a dark photon U produced in the π0→γU→γe+e- decay from the pp→ppπ0 reaction was carried out. An upper limit on the square of the U-γ mixing strength parameter ε2 of 5×10-6 at 90% CL was obtained for the mass range 20 MeV<MU<100 MeV. This result together with other recent experimental limits significantly reduces the MU vs. ε2 parameter space which could explain the presently seen deviation between the Standard Model prediction and the direct measurement of the anomalous magnetic moment of the muon.",

keywords = "Dark forces, Gauge vector boson",

author = "P. Adlarson and W. Augustyniak and W. Bardan and M. Bashkanov and Bergmann, {F. S.} and M. Ber{\l}owski and H. Bhatt and A. Bondar and M. B{\"u}scher and H. Cal{\'e}n and I. Ciepa{\l} and H. Clement and D. Coderre and E. Czerwi{\'n}ski and K. Demmich and E. Doroshkevich and R. Engels and W. Erven and W. Eyrich and P. Fedorets and K. F{\"o}hl and K. Fransson and F. Goldenbaum and P. Goslawski and A. Goswami and K. Grigoryev and Gullstr{\"o}m, {C. O.} and F. Hauenstein and L. Heijkenskj{\"o}ld and V. Hejny and F. Hinterberger and M. Hodana and B. H{\"o}istad and A. Jany and Jany, {B. R.} and L. Jarczyk and T. Johansson and B. Kamys and G. Kemmerling and Khan, {F. A.} and A. Khoukaz and S. Kistryn and J. Klaja and H. Kleines and Kirillov, {D. A.} and B. K{\l}os and M. Krapp and W. Krzemie{\'n} and P. Kulessa and A. Kup{\'s}{\'c} and A. Kuzmin and K. Lalwani and D. Lersch and L. Li and B. Lorentz and A. Magiera and R. Maier and P. Marciniewski and B. Maria{\'n}ski and Mei{\ss}ner, {U. G.} and M. Mikirtychiants and Morsch, {H. P.} and P. Moskal and Nandi, {B. K.} and H. Ohm and I. Ozerianska and {Perez del Rio}, E. and Piskunov, {N. M.} and P. Pluci{\'n}ski and P. Podkopa{\l} and D. Prasuhn and A. Pricking and D. Pszczel and K. Pysz and A. Pyszniak and Redmer, {C. F.} and J. Ritman and A. Roy and Z. Rudy and S. Sawant and S. Schadmand and A. Schmidt and T. Sefzick and V. Serdyuk and N. Shah and B. Shwartz and M. Siemaszko and R. Siudak and T. Skorodko and M. Skurzok and J. Smyrski and V. Sopov and R. Stassen and J. Stepaniak and E. Stephan and G. Sterzenbach and H. Stockhorst and H. Str{\"o}her and A. Szczurek and T. Tolba and A. Trzci{\'n}ski and R. Varma and Wagner, {G. J.} and W. Wȩglorz and A. Wirzba and M. Wolke and A. Wro{\'n}ska and P. W{\"u}stner and P. Wurm and A. Yamamoto and J. Zabierowski and Zieli{\'n}ski, {M. J.} and W. Zipper and J. Z{\l}oma{\'n}czuk and P. Zupra{\'n}ski and M. Zurek",

year = "2013",

month = sep,

day = "9",

doi = "10.1016/j.physletb.2013.08.055",

language = "English",

volume = "726",

pages = "187--193",

journal = "Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics",

issn = "0370-2693",

publisher = "Elsevier",

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Adlarson, P, Augustyniak, W, Bardan, W, Bashkanov, M, Bergmann, FS, Berłowski, M, Bhatt, H, Bondar, A, Büscher, M, Calén, H, Ciepał, I, Clement, H, Coderre, D, Czerwiński, E, Demmich, K, Doroshkevich, E, Engels, R, Erven, W, Eyrich, W, Fedorets, P, Föhl, K, Fransson, K, Goldenbaum, F, Goslawski, P, Goswami, A, Grigoryev, K, Gullström, CO, Hauenstein, F, Heijkenskjöld, L, Hejny, V, Hinterberger, F, Hodana, M, Höistad, B, Jany, A, Jany, BR, Jarczyk, L, Johansson, T, Kamys, B, Kemmerling, G, Khan, FA, Khoukaz, A, Kistryn, S, Klaja, J, Kleines, H, Kirillov, DA, Kłos, B, Krapp, M, Krzemień, W, Kulessa, P, Kupść, A, Kuzmin, A, Lalwani, K, Lersch, D, Li, L, Lorentz, B, Magiera, A, Maier, R, Marciniewski, P, Mariański, B, Meißner, UG, Mikirtychiants, M, Morsch, HP, Moskal, P, Nandi, BK, Ohm, H, Ozerianska, I, Perez del Rio, E, Piskunov, NM, Pluciński, P, Podkopał, P, Prasuhn, D, Pricking, A, Pszczel, D, Pysz, K, Pyszniak, A, Redmer, CF, Ritman, J, Roy, A, Rudy, Z, Sawant, S, Schadmand, S, Schmidt, A, Sefzick, T, Serdyuk, V, Shah, N, Shwartz, B, Siemaszko, M, Siudak, R, Skorodko, T, Skurzok, M, Smyrski, J, Sopov, V, Stassen, R, Stepaniak, J, Stephan, E, Sterzenbach, G, Stockhorst, H, Ströher, H, Szczurek, A, Tolba, T, Trzciński, A, Varma, R, Wagner, GJ, Wȩglorz, W, Wirzba, A, Wolke, M, Wrońska, A, Wüstner, P, Wurm, P, Yamamoto, A, Zabierowski, J, Zieliński, MJ, Zipper, W, Złomańczuk, J, Zuprański, P & Zurek, M 2013, 'Search for a dark photon in the π⁰→e⁺e^-γ decay', Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, vol. 726, no. 1-3, pp. 187-193. https://doi.org/10.1016/j.physletb.2013.08.055

TY - JOUR

T1 - Search for a dark photon in the π0→e+e-γ decay

AU - Adlarson, P.

AU - Augustyniak, W.

AU - Bardan, W.

AU - Bashkanov, M.

AU - Bergmann, F. S.

AU - Berłowski, M.

AU - Bhatt, H.

AU - Bondar, A.

AU - Büscher, M.

AU - Calén, H.

AU - Ciepał, I.

AU - Clement, H.

AU - Coderre, D.

AU - Czerwiński, E.

AU - Demmich, K.

AU - Doroshkevich, E.

AU - Engels, R.

AU - Erven, W.

AU - Eyrich, W.

AU - Fedorets, P.

AU - Föhl, K.

AU - Fransson, K.

AU - Goldenbaum, F.

AU - Goslawski, P.

AU - Goswami, A.

AU - Grigoryev, K.

AU - Gullström, C. O.

AU - Hauenstein, F.

AU - Heijkenskjöld, L.

AU - Hejny, V.

AU - Hinterberger, F.

AU - Hodana, M.

AU - Höistad, B.

AU - Jany, A.

AU - Jany, B. R.

AU - Jarczyk, L.

AU - Johansson, T.

AU - Kamys, B.

AU - Kemmerling, G.

AU - Khan, F. A.

AU - Khoukaz, A.

AU - Kistryn, S.

AU - Klaja, J.

AU - Kleines, H.

AU - Kirillov, D. A.

AU - Kłos, B.

AU - Krapp, M.

AU - Krzemień, W.

AU - Kulessa, P.

AU - Kupść, A.

AU - Kuzmin, A.

AU - Lalwani, K.

AU - Lersch, D.

AU - Li, L.

AU - Lorentz, B.

AU - Magiera, A.

AU - Maier, R.

AU - Marciniewski, P.

AU - Mariański, B.

AU - Meißner, U. G.

AU - Mikirtychiants, M.

AU - Morsch, H. P.

AU - Moskal, P.

AU - Nandi, B. K.

AU - Ohm, H.

AU - Ozerianska, I.

AU - Perez del Rio, E.

AU - Piskunov, N. M.

AU - Pluciński, P.

AU - Podkopał, P.

AU - Prasuhn, D.

AU - Pricking, A.

AU - Pszczel, D.

AU - Pysz, K.

AU - Pyszniak, A.

AU - Redmer, C. F.

AU - Ritman, J.

AU - Roy, A.

AU - Rudy, Z.

AU - Sawant, S.

AU - Schadmand, S.

AU - Schmidt, A.

AU - Sefzick, T.

AU - Serdyuk, V.

AU - Shah, N.

AU - Shwartz, B.

AU - Siemaszko, M.

AU - Siudak, R.

AU - Skorodko, T.

AU - Skurzok, M.

AU - Smyrski, J.

AU - Sopov, V.

AU - Stassen, R.

AU - Stepaniak, J.

AU - Stephan, E.

AU - Sterzenbach, G.

AU - Stockhorst, H.

AU - Ströher, H.

AU - Szczurek, A.

AU - Tolba, T.

AU - Trzciński, A.

AU - Varma, R.

AU - Wagner, G. J.

AU - Wȩglorz, W.

AU - Wirzba, A.

AU - Wolke, M.

AU - Wrońska, A.

AU - Wüstner, P.

AU - Wurm, P.

AU - Yamamoto, A.

AU - Zabierowski, J.

AU - Zieliński, M. J.

AU - Zipper, W.

AU - Złomańczuk, J.

AU - Zuprański, P.

AU - Zurek, M.

PY - 2013/9/9

Y1 - 2013/9/9

N2 - The presently world largest data sample for π0→γe+e- decays studies containing nearly 5×105 events was collected using the WASA detector at COSY. A search for a dark photon U produced in the π0→γU→γe+e- decay from the pp→ppπ0 reaction was carried out. An upper limit on the square of the U-γ mixing strength parameter ε2 of 5×10-6 at 90% CL was obtained for the mass range 20 MeV<MU<100 MeV. This result together with other recent experimental limits significantly reduces the MU vs. ε2 parameter space which could explain the presently seen deviation between the Standard Model prediction and the direct measurement of the anomalous magnetic moment of the muon.

AB - The presently world largest data sample for π0→γe+e- decays studies containing nearly 5×105 events was collected using the WASA detector at COSY. A search for a dark photon U produced in the π0→γU→γe+e- decay from the pp→ppπ0 reaction was carried out. An upper limit on the square of the U-γ mixing strength parameter ε2 of 5×10-6 at 90% CL was obtained for the mass range 20 MeV<MU<100 MeV. This result together with other recent experimental limits significantly reduces the MU vs. ε2 parameter space which could explain the presently seen deviation between the Standard Model prediction and the direct measurement of the anomalous magnetic moment of the muon.

KW - Dark forces

KW - Gauge vector boson

UR - http://www.scopus.com/inward/record.url?scp=84884701495&partnerID=8YFLogxK

U2 - 10.1016/j.physletb.2013.08.055

DO - 10.1016/j.physletb.2013.08.055

M3 - Article

AN - SCOPUS:84884701495

SN - 0370-2693

VL - 726

SP - 187

EP - 193

JO - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

JF - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

IS - 1-3

ER -