Search for Darkonium in $e^+e^-$ Collisions

Collider searches for dark sectors, new particles interacting only feebly with ordinary matter, have largely focused on identifying signatures of new mediators, leaving much of dark sector structures unexplored. In particular, the existence of dark matter bound states (darkonia) remains to be invest...

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Detalles Bibliográficos
Autores principales: Lees, J.P., Poireau, V., Tisserand, V., Grauges, E., Palano, A., Eigen, G., Brown, D.N., Kolomensky, Yu.G., Fritsch, M., Koch, H., Schroeder, T., Cheaib, R., Hearty, C., Mattison, T.S., McKenna, J.A., So, R.Y., Blinov, V.E., Buzykaev, A.R., Druzhinin, V.P., Golubev, V.B., Kozyrev, E.A., Kravchenko, E.A., Onuchin, A.P., Serednyakov, S.I., Skovpen, Yu.I., Solodov, E.P., Todyshev, K.Yu., Lankford, A.J., Dey, B., Gary, J.W., Long, O., Eisner, A.M., Lockman, W.S., Vazquez, W. Panduro, Chao, D.S., Cheng, C.H., Echenard, B., Flood, K.T., Hitlin, D.G., Kim, J., Li, Y., Lin, D.X., Miyashita, T.S., Ongmongkolkul, P., Oyang, J., Porter, F.C., Röhrken, M., Huard, Z., Meadows, B.T., Pushpawela, B.G., Sokoloff, M.D., Sun, L., Smith, J.G., Wagner, S.R., Bernard, D., Verderi, M., Bettoni, D., Bozzi, C., Calabrese, R., Cibinetto, G., Fioravanti, E., Garzia, I., Luppi, E., Santoro, V., Calcaterra, A., de Sangro, R., Finocchiaro, G., Martellotti, S., Patteri, P., Peruzzi, I.M., Piccolo, M., Rotondo, M., Zallo, A., Passaggio, S., Patrignani, C., Shuve, B.J., Lacker, H.M., Bhuyan, B., Mallik, U., Chen, C., Cochran, J., Prell, S., Gritsan, A.V., Arnaud, N., Davier, M., Le Diberder, F., Lutz, A.M., Wormser, G., Lange, D.J., Wright, D.M., Coleman, J.P., Gabathuler, E., Hutchcroft, D.E., Payne, D.J., Touramanis, C., Bevan, A.J., Di Lodovico, F., Sacco, R., Cowan, G., Banerjee, Sw., Davis, C.L., Denig, A.G., Gradl, W., Griessinger, K., Hafner, A., Schubert, K.R., Barlow, R.J., Lafferty, G.D., Cenci, R., Jawahery, A., Roberts, D.A., Cowan, R., Robertson, S.H., Seddon, R.M., Neri, N., Palombo, F., Cremaldi, L., Godang, R., Summers, D.J., Taras, P., De Nardo, G., Sciacca, C., Raven, G., Jessop, C.P., LoSecco, J.M., Honscheid, K., Kass, R., Gaz, A., Margoni, M., Posocco, M., Simi, G., Simonetto, F., Stroili, R., Akar, S., Ben-Haim, E., Bomben, M., Bonneaud, G.R., Calderini, G., Chauveau, J., Marchiori, G., Ocariz, J., Biasini, M., Manoni, E., Rossi, A., Batignani, G., Bettarini, S., Carpinelli, M., Casarosa, G., Chrzaszcz, M., Forti, F., Giorgi, M.A., Lusiani, A., Oberhof, B., Paoloni, E., Rama, M., Rizzo, G., Walsh, J.J., Zani, L., Smith, A.J.S., Anulli, F., Faccini, R., Ferrarotto, F., Ferroni, F., Pilloni, A., Piredda, G., Bünger, C., Dittrich, S., Grünberg, O., Heß, M., Leddig, T., Voß, C., Waldi, R., Adye, T., Wilson, F.F., Emery, S., Vasseur, G., Aston, D., Cartaro, C., Convery, M.R., Dorfan, J., Dunwoodie, W., Ebert, M., Field, R.C., Fulsom, B.G., Graham, M.T., Hast, C., Innes, W.R., Kim, P., Leith, D.W.G.S., Luitz, S., MacFarlane, D.B., Muller, D.R., Neal, H., Ratcliff, B.N., Roodman, A., Sullivan, M.K., Va'vra, J., Wisniewski, W.J., Purohit, M.V., Wilson, J.R., Randle-Conde, A., Sekula, S.J., Ahmed, H., Bellis, M., Burchat, P.R., Puccio, E.M.T., Alam, M.S., Ernst, J.A., Gorodeisky, R., Guttman, N., Peimer, D.R., Soffer, A., Spanier, S.M., Ritchie, J.L., Schwitters, R.F., Izen, J.M., Lou, X.C., Bianchi, F., De Mori, F., Filippi, A., Gamba, D., Lanceri, L., Vitale, L., Martinez-Vidal, F., Oyanguren, A., Albert, J., Beaulieu, A., Bernlochner, F.U., King, G.J., Kowalewski, R., Lueck, T., Nugent, I.M., Roney, J.M., Sobie, R.J., Tasneem, N., Gershon, T.J., Harrison, P.F., Latham, T.E., Prepost, R., Wu, S.L.
Lenguaje:eng
Publicado: 2021
Materias:
hep-ex
Particle Physics - Experiment
Acceso en línea:https://dx.doi.org/10.1103/PhysRevLett.128.021802
http://cds.cern.ch/record/2799556
_version_ 1780972556659982336
author Lees, J.P.
Poireau, V.
Tisserand, V.
Grauges, E.
Palano, A.
Eigen, G.
Brown, D.N.
Kolomensky, Yu.G.
Fritsch, M.
Koch, H.
Schroeder, T.
Cheaib, R.
Hearty, C.
Mattison, T.S.
McKenna, J.A.
So, R.Y.
Blinov, V.E.
Buzykaev, A.R.
Druzhinin, V.P.
Golubev, V.B.
Kozyrev, E.A.
Kravchenko, E.A.
Onuchin, A.P.
Serednyakov, S.I.
Skovpen, Yu.I.
Solodov, E.P.
Todyshev, K.Yu.
Lankford, A.J.
Dey, B.
Gary, J.W.
Long, O.
Eisner, A.M.
Lockman, W.S.
Vazquez, W. Panduro
Chao, D.S.
Cheng, C.H.
Echenard, B.
Flood, K.T.
Hitlin, D.G.
Kim, J.
Li, Y.
Lin, D.X.
Miyashita, T.S.
Ongmongkolkul, P.
Oyang, J.
Porter, F.C.
Röhrken, M.
Huard, Z.
Meadows, B.T.
Pushpawela, B.G.
Sokoloff, M.D.
Sun, L.
Smith, J.G.
Wagner, S.R.
Bernard, D.
Verderi, M.
Bettoni, D.
Bozzi, C.
Calabrese, R.
Cibinetto, G.
Fioravanti, E.
Garzia, I.
Luppi, E.
Santoro, V.
Calcaterra, A.
de Sangro, R.
Finocchiaro, G.
Martellotti, S.
Patteri, P.
Peruzzi, I.M.
Piccolo, M.
Rotondo, M.
Zallo, A.
Passaggio, S.
Patrignani, C.
Shuve, B.J.
Lacker, H.M.
Bhuyan, B.
Mallik, U.
Chen, C.
Cochran, J.
Prell, S.
Gritsan, A.V.
Arnaud, N.
Davier, M.
Le Diberder, F.
Lutz, A.M.
Wormser, G.
Lange, D.J.
Wright, D.M.
Coleman, J.P.
Gabathuler, E.
Hutchcroft, D.E.
Payne, D.J.
Touramanis, C.
Bevan, A.J.
Di Lodovico, F.
Sacco, R.
Cowan, G.
Banerjee, Sw.
Brown, D.N.
Davis, C.L.
Denig, A.G.
Gradl, W.
Griessinger, K.
Hafner, A.
Schubert, K.R.
Barlow, R.J.
Lafferty, G.D.
Cenci, R.
Jawahery, A.
Roberts, D.A.
Cowan, R.
Robertson, S.H.
Seddon, R.M.
Neri, N.
Palombo, F.
Cremaldi, L.
Godang, R.
Summers, D.J.
Taras, P.
De Nardo, G.
Sciacca, C.
Raven, G.
Jessop, C.P.
LoSecco, J.M.
Honscheid, K.
Kass, R.
Gaz, A.
Margoni, M.
Posocco, M.
Simi, G.
Simonetto, F.
Stroili, R.
Akar, S.
Ben-Haim, E.
Bomben, M.
Bonneaud, G.R.
Calderini, G.
Chauveau, J.
Marchiori, G.
Ocariz, J.
Biasini, M.
Manoni, E.
Rossi, A.
Batignani, G.
Bettarini, S.
Carpinelli, M.
Casarosa, G.
Chrzaszcz, M.
Forti, F.
Giorgi, M.A.
Lusiani, A.
Oberhof, B.
Paoloni, E.
Rama, M.
Rizzo, G.
Walsh, J.J.
Zani, L.
Smith, A.J.S.
Anulli, F.
Faccini, R.
Ferrarotto, F.
Ferroni, F.
Pilloni, A.
Piredda, G.
Bünger, C.
Dittrich, S.
Grünberg, O.
Heß, M.
Leddig, T.
Voß, C.
Waldi, R.
Adye, T.
Wilson, F.F.
Emery, S.
Vasseur, G.
Aston, D.
Cartaro, C.
Convery, M.R.
Dorfan, J.
Dunwoodie, W.
Ebert, M.
Field, R.C.
Fulsom, B.G.
Graham, M.T.
Hast, C.
Innes, W.R.
Kim, P.
Leith, D.W.G.S.
Luitz, S.
MacFarlane, D.B.
Muller, D.R.
Neal, H.
Ratcliff, B.N.
Roodman, A.
Sullivan, M.K.
Va'vra, J.
Wisniewski, W.J.
Purohit, M.V.
Wilson, J.R.
Randle-Conde, A.
Sekula, S.J.
Ahmed, H.
Bellis, M.
Burchat, P.R.
Puccio, E.M.T.
Alam, M.S.
Ernst, J.A.
Gorodeisky, R.
Guttman, N.
Peimer, D.R.
Soffer, A.
Spanier, S.M.
Ritchie, J.L.
Schwitters, R.F.
Izen, J.M.
Lou, X.C.
Bianchi, F.
De Mori, F.
Filippi, A.
Gamba, D.
Lanceri, L.
Vitale, L.
Martinez-Vidal, F.
Oyanguren, A.
Albert, J.
Beaulieu, A.
Bernlochner, F.U.
King, G.J.
Kowalewski, R.
Lueck, T.
Nugent, I.M.
Roney, J.M.
Sobie, R.J.
Tasneem, N.
Gershon, T.J.
Harrison, P.F.
Latham, T.E.
Prepost, R.
Wu, S.L.
author_facet Lees, J.P.
Poireau, V.
Tisserand, V.
Grauges, E.
Palano, A.
Eigen, G.
Brown, D.N.
Kolomensky, Yu.G.
Fritsch, M.
Koch, H.
Schroeder, T.
Cheaib, R.
Hearty, C.
Mattison, T.S.
McKenna, J.A.
So, R.Y.
Blinov, V.E.
Buzykaev, A.R.
Druzhinin, V.P.
Golubev, V.B.
Kozyrev, E.A.
Kravchenko, E.A.
Onuchin, A.P.
Serednyakov, S.I.
Skovpen, Yu.I.
Solodov, E.P.
Todyshev, K.Yu.
Lankford, A.J.
Dey, B.
Gary, J.W.
Long, O.
Eisner, A.M.
Lockman, W.S.
Vazquez, W. Panduro
Chao, D.S.
Cheng, C.H.
Echenard, B.
Flood, K.T.
Hitlin, D.G.
Kim, J.
Li, Y.
Lin, D.X.
Miyashita, T.S.
Ongmongkolkul, P.
Oyang, J.
Porter, F.C.
Röhrken, M.
Huard, Z.
Meadows, B.T.
Pushpawela, B.G.
Sokoloff, M.D.
Sun, L.
Smith, J.G.
Wagner, S.R.
Bernard, D.
Verderi, M.
Bettoni, D.
Bozzi, C.
Calabrese, R.
Cibinetto, G.
Fioravanti, E.
Garzia, I.
Luppi, E.
Santoro, V.
Calcaterra, A.
de Sangro, R.
Finocchiaro, G.
Martellotti, S.
Patteri, P.
Peruzzi, I.M.
Piccolo, M.
Rotondo, M.
Zallo, A.
Passaggio, S.
Patrignani, C.
Shuve, B.J.
Lacker, H.M.
Bhuyan, B.
Mallik, U.
Chen, C.
Cochran, J.
Prell, S.
Gritsan, A.V.
Arnaud, N.
Davier, M.
Le Diberder, F.
Lutz, A.M.
Wormser, G.
Lange, D.J.
Wright, D.M.
Coleman, J.P.
Gabathuler, E.
Hutchcroft, D.E.
Payne, D.J.
Touramanis, C.
Bevan, A.J.
Di Lodovico, F.
Sacco, R.
Cowan, G.
Banerjee, Sw.
Brown, D.N.
Davis, C.L.
Denig, A.G.
Gradl, W.
Griessinger, K.
Hafner, A.
Schubert, K.R.
Barlow, R.J.
Lafferty, G.D.
Cenci, R.
Jawahery, A.
Roberts, D.A.
Cowan, R.
Robertson, S.H.
Seddon, R.M.
Neri, N.
Palombo, F.
Cremaldi, L.
Godang, R.
Summers, D.J.
Taras, P.
De Nardo, G.
Sciacca, C.
Raven, G.
Jessop, C.P.
LoSecco, J.M.
Honscheid, K.
Kass, R.
Gaz, A.
Margoni, M.
Posocco, M.
Simi, G.
Simonetto, F.
Stroili, R.
Akar, S.
Ben-Haim, E.
Bomben, M.
Bonneaud, G.R.
Calderini, G.
Chauveau, J.
Marchiori, G.
Ocariz, J.
Biasini, M.
Manoni, E.
Rossi, A.
Batignani, G.
Bettarini, S.
Carpinelli, M.
Casarosa, G.
Chrzaszcz, M.
Forti, F.
Giorgi, M.A.
Lusiani, A.
Oberhof, B.
Paoloni, E.
Rama, M.
Rizzo, G.
Walsh, J.J.
Zani, L.
Smith, A.J.S.
Anulli, F.
Faccini, R.
Ferrarotto, F.
Ferroni, F.
Pilloni, A.
Piredda, G.
Bünger, C.
Dittrich, S.
Grünberg, O.
Heß, M.
Leddig, T.
Voß, C.
Waldi, R.
Adye, T.
Wilson, F.F.
Emery, S.
Vasseur, G.
Aston, D.
Cartaro, C.
Convery, M.R.
Dorfan, J.
Dunwoodie, W.
Ebert, M.
Field, R.C.
Fulsom, B.G.
Graham, M.T.
Hast, C.
Innes, W.R.
Kim, P.
Leith, D.W.G.S.
Luitz, S.
MacFarlane, D.B.
Muller, D.R.
Neal, H.
Ratcliff, B.N.
Roodman, A.
Sullivan, M.K.
Va'vra, J.
Wisniewski, W.J.
Purohit, M.V.
Wilson, J.R.
Randle-Conde, A.
Sekula, S.J.
Ahmed, H.
Bellis, M.
Burchat, P.R.
Puccio, E.M.T.
Alam, M.S.
Ernst, J.A.
Gorodeisky, R.
Guttman, N.
Peimer, D.R.
Soffer, A.
Spanier, S.M.
Ritchie, J.L.
Schwitters, R.F.
Izen, J.M.
Lou, X.C.
Bianchi, F.
De Mori, F.
Filippi, A.
Gamba, D.
Lanceri, L.
Vitale, L.
Martinez-Vidal, F.
Oyanguren, A.
Albert, J.
Beaulieu, A.
Bernlochner, F.U.
King, G.J.
Kowalewski, R.
Lueck, T.
Nugent, I.M.
Roney, J.M.
Sobie, R.J.
Tasneem, N.
Gershon, T.J.
Harrison, P.F.
Latham, T.E.
Prepost, R.
Wu, S.L.
author_sort Lees, J.P.
collection CERN
description Collider searches for dark sectors, new particles interacting only feebly with ordinary matter, have largely focused on identifying signatures of new mediators, leaving much of dark sector structures unexplored. In particular, the existence of dark matter bound states (darkonia) remains to be investigated. This possibility could arise in a simple model in which a dark photon (<math display="inline"><msup><mi>A</mi><mo>′</mo></msup></math>) is light enough to generate an attractive force between dark fermions. We report herein a search for a <math display="inline"><msup><mi>J</mi><mrow><mi>P</mi><mi>C</mi></mrow></msup><mo>=</mo><msup><mn>1</mn><mrow><mo>-</mo><mo>-</mo></mrow></msup></math> darkonium state, the <math display="inline"><msub><mi mathvariant="normal">ϒ</mi><mi>D</mi></msub></math>, produced in the reaction <math display="inline"><mrow><msup><mrow><mi>e</mi></mrow><mrow><mo>+</mo></mrow></msup><msup><mrow><mi>e</mi></mrow><mrow><mo>-</mo></mrow></msup><mo stretchy="false">→</mo><mi>γ</mi><msub><mrow><mi mathvariant="normal">ϒ</mi></mrow><mrow><mi>D</mi></mrow></msub></mrow></math>, <math display="inline"><mrow><msub><mrow><mi mathvariant="normal">ϒ</mi></mrow><mrow><mi>D</mi></mrow></msub><mo stretchy="false">→</mo><msup><mrow><mi>A</mi></mrow><mrow><mo>′</mo></mrow></msup><msup><mrow><mi>A</mi></mrow><mrow><mo>′</mo></mrow></msup><msup><mrow><mi>A</mi></mrow><mrow><mo>′</mo></mrow></msup></mrow></math>, where the dark photons subsequently decay into pairs of leptons or pions, using <math display="inline"><mrow><mn>514</mn><mtext> </mtext><mtext> </mtext><msup><mrow><mi>fb</mi></mrow><mrow><mo>-</mo><mn>1</mn></mrow></msup></mrow></math> of data collected with the BABAR detector. No significant signal is observed, and we set bounds on the <math display="inline"><mi>γ</mi><mo>-</mo><msup><mi>A</mi><mo>′</mo></msup></math> kinetic mixing as a function of the dark sector coupling constant for <math display="inline"><mrow><mn>0.001</mn><mo>&lt;</mo><msub><mrow><mi>m</mi></mrow><mrow><msup><mrow><mi>A</mi></mrow><mrow><mo>′</mo></mrow></msup></mrow></msub><mo>&lt;</mo><mn>3.16</mn><mtext> </mtext><mtext> </mtext><mi>GeV</mi></mrow></math> and <math display="inline"><mrow><mn>0.05</mn><mo>&lt;</mo><msub><mrow><mi>m</mi></mrow><mrow><msub><mrow><mi mathvariant="normal">ϒ</mi></mrow><mrow><mi>D</mi></mrow></msub></mrow></msub><mo>&lt;</mo><mn>9.5</mn><mtext> </mtext><mtext> </mtext><mi>GeV</mi></mrow></math>.
id cern-2799556
institution Organización Europea para la Investigación Nuclear
language eng
publishDate 2021
record_format invenio
spelling cern-27995562023-01-27T12:31:12Zdoi:10.1103/PhysRevLett.128.021802http://cds.cern.ch/record/2799556engLees, J.P.Poireau, V.Tisserand, V.Grauges, E.Palano, A.Eigen, G.Brown, D.N.Kolomensky, Yu.G.Fritsch, M.Koch, H.Schroeder, T.Cheaib, R.Hearty, C.Mattison, T.S.McKenna, J.A.So, R.Y.Blinov, V.E.Buzykaev, A.R.Druzhinin, V.P.Golubev, V.B.Kozyrev, E.A.Kravchenko, E.A.Onuchin, A.P.Serednyakov, S.I.Skovpen, Yu.I.Solodov, E.P.Todyshev, K.Yu.Lankford, A.J.Dey, B.Gary, J.W.Long, O.Eisner, A.M.Lockman, W.S.Vazquez, W. PanduroChao, D.S.Cheng, C.H.Echenard, B.Flood, K.T.Hitlin, D.G.Kim, J.Li, Y.Lin, D.X.Miyashita, T.S.Ongmongkolkul, P.Oyang, J.Porter, F.C.Röhrken, M.Huard, Z.Meadows, B.T.Pushpawela, B.G.Sokoloff, M.D.Sun, L.Smith, J.G.Wagner, S.R.Bernard, D.Verderi, M.Bettoni, D.Bozzi, C.Calabrese, R.Cibinetto, G.Fioravanti, E.Garzia, I.Luppi, E.Santoro, V.Calcaterra, A.de Sangro, R.Finocchiaro, G.Martellotti, S.Patteri, P.Peruzzi, I.M.Piccolo, M.Rotondo, M.Zallo, A.Passaggio, S.Patrignani, C.Shuve, B.J.Lacker, H.M.Bhuyan, B.Mallik, U.Chen, C.Cochran, J.Prell, S.Gritsan, A.V.Arnaud, N.Davier, M.Le Diberder, F.Lutz, A.M.Wormser, G.Lange, D.J.Wright, D.M.Coleman, J.P.Gabathuler, E.Hutchcroft, D.E.Payne, D.J.Touramanis, C.Bevan, A.J.Di Lodovico, F.Sacco, R.Cowan, G.Banerjee, Sw.Brown, D.N.Davis, C.L.Denig, A.G.Gradl, W.Griessinger, K.Hafner, A.Schubert, K.R.Barlow, R.J.Lafferty, G.D.Cenci, R.Jawahery, A.Roberts, D.A.Cowan, R.Robertson, S.H.Seddon, R.M.Neri, N.Palombo, F.Cremaldi, L.Godang, R.Summers, D.J.Taras, P.De Nardo, G.Sciacca, C.Raven, G.Jessop, C.P.LoSecco, J.M.Honscheid, K.Kass, R.Gaz, A.Margoni, M.Posocco, M.Simi, G.Simonetto, F.Stroili, R.Akar, S.Ben-Haim, E.Bomben, M.Bonneaud, G.R.Calderini, G.Chauveau, J.Marchiori, G.Ocariz, J.Biasini, M.Manoni, E.Rossi, A.Batignani, G.Bettarini, S.Carpinelli, M.Casarosa, G.Chrzaszcz, M.Forti, F.Giorgi, M.A.Lusiani, A.Oberhof, B.Paoloni, E.Rama, M.Rizzo, G.Walsh, J.J.Zani, L.Smith, A.J.S.Anulli, F.Faccini, R.Ferrarotto, F.Ferroni, F.Pilloni, A.Piredda, G.Bünger, C.Dittrich, S.Grünberg, O.Heß, M.Leddig, T.Voß, C.Waldi, R.Adye, T.Wilson, F.F.Emery, S.Vasseur, G.Aston, D.Cartaro, C.Convery, M.R.Dorfan, J.Dunwoodie, W.Ebert, M.Field, R.C.Fulsom, B.G.Graham, M.T.Hast, C.Innes, W.R.Kim, P.Leith, D.W.G.S.Luitz, S.MacFarlane, D.B.Muller, D.R.Neal, H.Ratcliff, B.N.Roodman, A.Sullivan, M.K.Va'vra, J.Wisniewski, W.J.Purohit, M.V.Wilson, J.R.Randle-Conde, A.Sekula, S.J.Ahmed, H.Bellis, M.Burchat, P.R.Puccio, E.M.T.Alam, M.S.Ernst, J.A.Gorodeisky, R.Guttman, N.Peimer, D.R.Soffer, A.Spanier, S.M.Ritchie, J.L.Schwitters, R.F.Izen, J.M.Lou, X.C.Bianchi, F.De Mori, F.Filippi, A.Gamba, D.Lanceri, L.Vitale, L.Martinez-Vidal, F.Oyanguren, A.Albert, J.Beaulieu, A.Bernlochner, F.U.King, G.J.Kowalewski, R.Lueck, T.Nugent, I.M.Roney, J.M.Sobie, R.J.Tasneem, N.Gershon, T.J.Harrison, P.F.Latham, T.E.Prepost, R.Wu, S.L.Search for Darkonium in $e^+e^-$ Collisionshep-exParticle Physics - ExperimentCollider searches for dark sectors, new particles interacting only feebly with ordinary matter, have largely focused on identifying signatures of new mediators, leaving much of dark sector structures unexplored. In particular, the existence of dark matter bound states (darkonia) remains to be investigated. This possibility could arise in a simple model in which a dark photon (<math display="inline"><msup><mi>A</mi><mo>′</mo></msup></math>) is light enough to generate an attractive force between dark fermions. We report herein a search for a <math display="inline"><msup><mi>J</mi><mrow><mi>P</mi><mi>C</mi></mrow></msup><mo>=</mo><msup><mn>1</mn><mrow><mo>-</mo><mo>-</mo></mrow></msup></math> darkonium state, the <math display="inline"><msub><mi mathvariant="normal">ϒ</mi><mi>D</mi></msub></math>, produced in the reaction <math display="inline"><mrow><msup><mrow><mi>e</mi></mrow><mrow><mo>+</mo></mrow></msup><msup><mrow><mi>e</mi></mrow><mrow><mo>-</mo></mrow></msup><mo stretchy="false">→</mo><mi>γ</mi><msub><mrow><mi mathvariant="normal">ϒ</mi></mrow><mrow><mi>D</mi></mrow></msub></mrow></math>, <math display="inline"><mrow><msub><mrow><mi mathvariant="normal">ϒ</mi></mrow><mrow><mi>D</mi></mrow></msub><mo stretchy="false">→</mo><msup><mrow><mi>A</mi></mrow><mrow><mo>′</mo></mrow></msup><msup><mrow><mi>A</mi></mrow><mrow><mo>′</mo></mrow></msup><msup><mrow><mi>A</mi></mrow><mrow><mo>′</mo></mrow></msup></mrow></math>, where the dark photons subsequently decay into pairs of leptons or pions, using <math display="inline"><mrow><mn>514</mn><mtext> </mtext><mtext> </mtext><msup><mrow><mi>fb</mi></mrow><mrow><mo>-</mo><mn>1</mn></mrow></msup></mrow></math> of data collected with the BABAR detector. No significant signal is observed, and we set bounds on the <math display="inline"><mi>γ</mi><mo>-</mo><msup><mi>A</mi><mo>′</mo></msup></math> kinetic mixing as a function of the dark sector coupling constant for <math display="inline"><mrow><mn>0.001</mn><mo>&lt;</mo><msub><mrow><mi>m</mi></mrow><mrow><msup><mrow><mi>A</mi></mrow><mrow><mo>′</mo></mrow></msup></mrow></msub><mo>&lt;</mo><mn>3.16</mn><mtext> </mtext><mtext> </mtext><mi>GeV</mi></mrow></math> and <math display="inline"><mrow><mn>0.05</mn><mo>&lt;</mo><msub><mrow><mi>m</mi></mrow><mrow><msub><mrow><mi mathvariant="normal">ϒ</mi></mrow><mrow><mi>D</mi></mrow></msub></mrow></msub><mo>&lt;</mo><mn>9.5</mn><mtext> </mtext><mtext> </mtext><mi>GeV</mi></mrow></math>.Collider searches for dark sectors, new particles interacting only feebly with ordinary matter, have largely focused on identifying signatures of new mediators, leaving much of dark sector structures unexplored. In particular, the existence of dark matter bound states (darkonia) remains to be investigated. This possibility could arise in a simple model in which a dark photon ($A'$) is light enough to generate an attractive force between dark fermions. We report herein a search for a $J^{PC}= 1^{--}$ darkonium state, the $\Upsilon_D$, produced in the reaction $e^+e^- \rightarrow \gamma \Upsilon_D, \Upsilon_D \rightarrow A' A' A'$, where the dark photons subsequently decay into pairs of leptons or pions, using $514\text{ fb}^{-1}$ of data collected with the BABAR detector. No significant signal is observed, and we set bounds on the $\gamma - A'$ kinetic mixing as a function of the dark sector coupling constant for $0.001 < m_{A'} < 3.16 \text{ GeV}$ and $0.05 < m_{\Upsilon_D} < 9.5 \text{ GeV}$.arXiv:2106.08529BABAR-PUB-21/002SLAC-PUB-17608oai:cds.cern.ch:27995562021-06-15
spellingShingle hep-ex
Particle Physics - Experiment
Lees, J.P.
Poireau, V.
Tisserand, V.
Grauges, E.
Palano, A.
Eigen, G.
Brown, D.N.
Kolomensky, Yu.G.
Fritsch, M.
Koch, H.
Schroeder, T.
Cheaib, R.
Hearty, C.
Mattison, T.S.
McKenna, J.A.
So, R.Y.
Blinov, V.E.
Buzykaev, A.R.
Druzhinin, V.P.
Golubev, V.B.
Kozyrev, E.A.
Kravchenko, E.A.
Onuchin, A.P.
Serednyakov, S.I.
Skovpen, Yu.I.
Solodov, E.P.
Todyshev, K.Yu.
Lankford, A.J.
Dey, B.
Gary, J.W.
Long, O.
Eisner, A.M.
Lockman, W.S.
Vazquez, W. Panduro
Chao, D.S.
Cheng, C.H.
Echenard, B.
Flood, K.T.
Hitlin, D.G.
Kim, J.
Li, Y.
Lin, D.X.
Miyashita, T.S.
Ongmongkolkul, P.
Oyang, J.
Porter, F.C.
Röhrken, M.
Huard, Z.
Meadows, B.T.
Pushpawela, B.G.
Sokoloff, M.D.
Sun, L.
Smith, J.G.
Wagner, S.R.
Bernard, D.
Verderi, M.
Bettoni, D.
Bozzi, C.
Calabrese, R.
Cibinetto, G.
Fioravanti, E.
Garzia, I.
Luppi, E.
Santoro, V.
Calcaterra, A.
de Sangro, R.
Finocchiaro, G.
Martellotti, S.
Patteri, P.
Peruzzi, I.M.
Piccolo, M.
Rotondo, M.
Zallo, A.
Passaggio, S.
Patrignani, C.
Shuve, B.J.
Lacker, H.M.
Bhuyan, B.
Mallik, U.
Chen, C.
Cochran, J.
Prell, S.
Gritsan, A.V.
Arnaud, N.
Davier, M.
Le Diberder, F.
Lutz, A.M.
Wormser, G.
Lange, D.J.
Wright, D.M.
Coleman, J.P.
Gabathuler, E.
Hutchcroft, D.E.
Payne, D.J.
Touramanis, C.
Bevan, A.J.
Di Lodovico, F.
Sacco, R.
Cowan, G.
Banerjee, Sw.
Brown, D.N.
Davis, C.L.
Denig, A.G.
Gradl, W.
Griessinger, K.
Hafner, A.
Schubert, K.R.
Barlow, R.J.
Lafferty, G.D.
Cenci, R.
Jawahery, A.
Roberts, D.A.
Cowan, R.
Robertson, S.H.
Seddon, R.M.
Neri, N.
Palombo, F.
Cremaldi, L.
Godang, R.
Summers, D.J.
Taras, P.
De Nardo, G.
Sciacca, C.
Raven, G.
Jessop, C.P.
LoSecco, J.M.
Honscheid, K.
Kass, R.
Gaz, A.
Margoni, M.
Posocco, M.
Simi, G.
Simonetto, F.
Stroili, R.
Akar, S.
Ben-Haim, E.
Bomben, M.
Bonneaud, G.R.
Calderini, G.
Chauveau, J.
Marchiori, G.
Ocariz, J.
Biasini, M.
Manoni, E.
Rossi, A.
Batignani, G.
Bettarini, S.
Carpinelli, M.
Casarosa, G.
Chrzaszcz, M.
Forti, F.
Giorgi, M.A.
Lusiani, A.
Oberhof, B.
Paoloni, E.
Rama, M.
Rizzo, G.
Walsh, J.J.
Zani, L.
Smith, A.J.S.
Anulli, F.
Faccini, R.
Ferrarotto, F.
Ferroni, F.
Pilloni, A.
Piredda, G.
Bünger, C.
Dittrich, S.
Grünberg, O.
Heß, M.
Leddig, T.
Voß, C.
Waldi, R.
Adye, T.
Wilson, F.F.
Emery, S.
Vasseur, G.
Aston, D.
Cartaro, C.
Convery, M.R.
Dorfan, J.
Dunwoodie, W.
Ebert, M.
Field, R.C.
Fulsom, B.G.
Graham, M.T.
Hast, C.
Innes, W.R.
Kim, P.
Leith, D.W.G.S.
Luitz, S.
MacFarlane, D.B.
Muller, D.R.
Neal, H.
Ratcliff, B.N.
Roodman, A.
Sullivan, M.K.
Va'vra, J.
Wisniewski, W.J.
Purohit, M.V.
Wilson, J.R.
Randle-Conde, A.
Sekula, S.J.
Ahmed, H.
Bellis, M.
Burchat, P.R.
Puccio, E.M.T.
Alam, M.S.
Ernst, J.A.
Gorodeisky, R.
Guttman, N.
Peimer, D.R.
Soffer, A.
Spanier, S.M.
Ritchie, J.L.
Schwitters, R.F.
Izen, J.M.
Lou, X.C.
Bianchi, F.
De Mori, F.
Filippi, A.
Gamba, D.
Lanceri, L.
Vitale, L.
Martinez-Vidal, F.
Oyanguren, A.
Albert, J.
Beaulieu, A.
Bernlochner, F.U.
King, G.J.
Kowalewski, R.
Lueck, T.
Nugent, I.M.
Roney, J.M.
Sobie, R.J.
Tasneem, N.
Gershon, T.J.
Harrison, P.F.
Latham, T.E.
Prepost, R.
Wu, S.L.
Search for Darkonium in $e^+e^-$ Collisions
title Search for Darkonium in $e^+e^-$ Collisions
title_full Search for Darkonium in $e^+e^-$ Collisions
title_fullStr Search for Darkonium in $e^+e^-$ Collisions
title_full_unstemmed Search for Darkonium in $e^+e^-$ Collisions
title_short Search for Darkonium in $e^+e^-$ Collisions
title_sort search for darkonium in $e^+e^-$ collisions
topic hep-ex
Particle Physics - Experiment
url https://dx.doi.org/10.1103/PhysRevLett.128.021802
http://cds.cern.ch/record/2799556
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AT spaniersm searchfordarkoniumineecollisions
AT ritchiejl searchfordarkoniumineecollisions
AT schwittersrf searchfordarkoniumineecollisions
AT izenjm searchfordarkoniumineecollisions
AT louxc searchfordarkoniumineecollisions
AT bianchif searchfordarkoniumineecollisions
AT demorif searchfordarkoniumineecollisions
AT filippia searchfordarkoniumineecollisions
AT gambad searchfordarkoniumineecollisions
AT lanceril searchfordarkoniumineecollisions
AT vitalel searchfordarkoniumineecollisions
AT martinezvidalf searchfordarkoniumineecollisions
AT oyangurena searchfordarkoniumineecollisions
AT albertj searchfordarkoniumineecollisions
AT beaulieua searchfordarkoniumineecollisions
AT bernlochnerfu searchfordarkoniumineecollisions
AT kinggj searchfordarkoniumineecollisions
AT kowalewskir searchfordarkoniumineecollisions
AT lueckt searchfordarkoniumineecollisions
AT nugentim searchfordarkoniumineecollisions
AT roneyjm searchfordarkoniumineecollisions
AT sobierj searchfordarkoniumineecollisions
AT tasneemn searchfordarkoniumineecollisions
AT gershontj searchfordarkoniumineecollisions
AT harrisonpf searchfordarkoniumineecollisions
AT lathamte searchfordarkoniumineecollisions
AT prepostr searchfordarkoniumineecollisions
AT wusl searchfordarkoniumineecollisions

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