Search for heavy Majorana or Dirac neutrinos and right-handed W gauge bosons in final states with two charged leptons and two jets at s=13 TeV with the ATLAS detector

• Published in: The journal of high energy physics Vol. 2019; no. 1; pp. 1 - 45
• Main Authors: Allaire, C., Antrim, D. J. A., Arce, A. T. H., Arguin, J-F., Benekos, N., Benhammou, Y., Bielski, R., Biglietti, M., Bourdarios, C., Brock, R., Bruschi, M., Camacho Toro, R., Cerutti, F., Crépé-Renaudin, S., Darbo, G., Di Nardo, R., Di Sipio, R., Duarte-Campderros, J., Eckardt, C., Ekelof, T., Ellinghaus, F., Ereditato, A., Fabbri, F., Fabbri, L., Favareto, A., Forcolin, G. T., Frate, M., Goldfarb, S., Grummer, A., Gul, U., Guzik, M. P., Hamano, K., Homann, M., Iordanidou, K., Jeong, J., Jones, S. D., Jorge, P. M., Khodinov, A., Khubua, J., Korolkov, I., Kortner, S., Lacker, H., Laforge, B., Landon, M. P. J., Laudrain, A., Lavorgna, M., Lefebvre, B., Litke, A. M., Liu, H., Liu, Y. L., Luminari, L., Maio, A., Martinez, M., Merlassino, C., Metcalfe, J., Miano, F., Mijović, L., Miller, D. W., Morii, M., Motohashi, K., Muenstermann, D., Myska, M., Nagai, K., Nelson, M. E., Nikolopoulos, K., Oh, A., Ouraou, A., Padilla Aranda, C., Parzefall, U., Pleskot, V., Portillo Quintero, D. M., Poveda, J., Qureshi, A., Rosbach, K., Rosien, N-A., Rybar, M., Sabato, G., Santoyo Castillo, I., Schiavi, C., Schildgen, L. K., Schmoeckel, J. C., Schovancova, J., Schramm, S., Serfon, C., Smykiewicz, A., Solar, M., Spangenberg, M., Stanescu, C., Tosciri, C., Tsuno, S., Valderanis, C., Vranjes, N., Ženiš, T., Watts, G., Whallon, N. L., Yue, X., Zaffaroni, E., Zhao, Z., Zhu, C. G., Zoch, K.
• Format: Journal Article
• Language: English
• Published: Berlin/Heidelberg Springer Berlin Heidelberg 2019; Springer Nature B.V
• Subjects: Bosons; Classical and Quantum Gravitation; Elementary Particles; Fysik; Hadron-Hadron scattering (experiments); High energy physics; Leptons; Luminosity; Muons; Natural Sciences; Naturvetenskap; Neutrinos; Physical Sciences; Physics; Physics and Astronomy; Quantum Field Theories; Quantum Field Theory; Quantum Physics; Regular Article - Experimental Physics; Relativity Theory; String Theory; Subatomic Physics; Subatomär fysik; Hadron-Hadron scattering (experiments)
• ISSN: 1126-6708; 1029-8479; 1029-8479
• DOI: 10.1007/JHEP01(2019)016

A
bstract
A search for heavy right-handed Majorana or Dirac neutrinos
N
R
and heavy right-handed gauge bosons
W
R
is performed in events with a pair of energetic electrons or muons, with the same or opposite electric charge, and two energetic jets. The events are selected from
pp
collision data with an integrated luminosity of 36.1 fb
−1
collected by the ATLAS detector at
s
=
13
TeV. No significant deviations from the Standard Model are observed. The results are interpreted within the theoretical framework of a left-right symmetric model and lower limits are set on masses in the heavy right-handed
W
boson and neutrino mass plane. The excluded region extends to
m
R
R
=
4.7
TeV for both Majorana and Dirac
N
R
neutrinos.