Search for high-mass resonances decaying to dilepton final states in pp collisions at a center-of-mass energy of 7 TeV with the ATLAS detector

Search for high-mass resonances decaying to dilepton final states in pp collisions at a center-of-mass energy of 7 TeV with the ATLAS detector

The ATLAS detector at the Large Hadron Collider is used to search for high-mass resonances decaying to an electron-positron pair or a muon-antimuon pair. The search is sensitive to heavy neutral Z' gauge bosons, Randall-Sundrum gravitons, Z* bosons, techni-mesons, Kaluza-Klein Z/gamma bosons, a...

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Veröffentlicht in:The journal of high energy physics 2012-09, Vol.11
Hauptverfasser: Aad, G., Albrand, S., Buat, Q., Clement, B., Collot, J., Crépé-Renaudin, S., Dechenaux, B., Delemontex, T., Delsart, P.A., Genest, M.H., Hostachy, J.Y., Laisne, E., Ledroit-Guillon, F., Lleres, A., Lucotte, A., Malek, F., Stark, J., Sun, X., Trocmé, B., Wang, J., Weydert, C., Biscarat, C., Cogneras, E., Rahal, G., Vannucci, F., Abdel Khalek, S., Abreu, H., Andari, N., Arnault, C., Augé, E., Barrillon, P., Benoit, M., Binet, S., Bourdarios, C., de La Taille, C., de Vivie de Regie, J.B., Duflot, L., Escalier, M., Fayard, L., Fournier, D., Grivaz, J.-F., Henrot-Versillé, S., Hrivnac, J., Iconomidou-Fayard, L., Idarraga, J., Kado, M., Lorenzo Martinez, N., Lounis, A., Makovec, N., Matricon, P., Niedercorn, F., Poggioli, L., Puzo, P., Renaud, A., Rousseau, D., Rybkin, G., Sauvan, J.B., Schaarschmidt, J., Schaffer, A.C., Serin, L., Simion, S., Tanaka, R., Teinturier, M., Veillet, J.J., Vukotic, I., Wicek, F., Zerwas, D., Zhang, Zhiqing, Boumediene, D., Busato, Emmanuel, Calvet, D., Calvet, S., Camacho Toro, Reina Coromoto, Cinca, Diane, Donini, J., Febbraro, R., Gris, P.L.Y., Ghodbane, N., Guicheney, C., Liao, H., Pallin, D., Paredes Hernández, Daniela, Podlyski, F., Santoni, C., Vazeille, F., Aoun, S., Bee, C. P., Bertella, C., Bousson, N., Clémens, J. C., Coadou, Y., Djama, F., Etienne, F., Feligioni, L., Hoffmann, D., Hubaut, F., Knoops, E. B. F. G., Le Guirriec, E., Li, B., Maurer, J.
Format: Artikel
Sprache:eng
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High Energy Physics - Experiment
Physics
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Zusammenfassung:The ATLAS detector at the Large Hadron Collider is used to search for high-mass resonances decaying to an electron-positron pair or a muon-antimuon pair. The search is sensitive to heavy neutral Z' gauge bosons, Randall-Sundrum gravitons, Z* bosons, techni-mesons, Kaluza-Klein Z/gamma bosons, and bosons predicted by Torsion models. Results are presented based on an analysis of pp collisions at a center-of-mass energy of 7 TeV corresponding to an integrated luminosity of 4.9/fb in the dielectron channel and 5.0/fb in the dimuon channel. A Z' boson with Standard Model-like couplings is excluded at 95 percent confidence level for masses below 2.22 TeV. A Randall-Sundrum graviton with coupling k/Mbar = 0.1 is excluded at 95 percent confidence level for masses below 2.16 TeV. Limits on the other models are also presented, including Technicolor and Minimal Z' Models.
ISSN:1126-6708
1029-8479
DOI:10.1007/JHEP11(2012)138