Imperial College London

Professor Sir Tejinder Singh Virdee FRS

Faculty of Natural SciencesDepartment of Physics

Professor of Physics
 
 
 
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Contact

 

+44 (0)20 7594 7590t.virdee Website

 
 
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Location

 

506Blackett LaboratorySouth Kensington Campus

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Summary

 

Publications

Citation

BibTex format

@article{Sirunyan:2019:10.1007/JHEP03(2019)170,
author = {Sirunyan, AM and Tumasyan, A and Adam, W and Ambrogi, F and Asilar, E and Bergauer, T and Brandstetter, J and Dragicevic, M and Eroe, J and Del, Valle AE and Flechl, M and Fruehwirth, R and Ghete, VM and Hrubec, J and Jeitler, M and Krammer, N and Kraetschmer, I and Liko, D and Madlener, T and Mikulec, I and Rad, N and Rohringer, H and Schieck, J and Schoefbeck, R and Spanring, M and Spitzbart, D and Taurok, A and Waltenberger, W and Wittmann, J and Wulz, C-E and Zarucki, M and Chekhovsky, V and Mossolov, V and Gonzalez, JS and De, Wolf EA and Di, Croce D and Janssen, X and Lauwers, J and Pieters, M and Van, de Klundert M and Van, Haevermaet H and Van, Mechelen P and Van, Remortel N and Abu, Zeid S and Blekman, F and D'Hondt, J and De, Clercq J and Deroover, K and Flouris, G and Lontkovskyi, D and Lowette, S and Marchesini, I and Moortgat, S and Moreels, L and Python, Q and Skovpen, K and Tavernier, S and Van, Doninck W and Van, Mulders P and Van, Parijs I and Beghin, D and Bilin, B an},
doi = {10.1007/JHEP03(2019)170},
journal = {Journal of High Energy Physics},
title = {Search for heavy neutrinos and third-generation leptoquarks in hadronic states of two τ leptons and two jets in proton-proton collisions at √s = 13 TeV},
url = {http://dx.doi.org/10.1007/JHEP03(2019)170},
volume = {2019},
year = {2019}
}

RIS format (EndNote, RefMan)

TY  - JOUR
AB - A search for new particles has been conducted using events with two high transverse momentum τ leptons that decay hadronically and at least two energetic jets. The analysis is performed using data from proton-proton collisions at √s = 13 TeV, collected by the CMS experiment at the LHC in 2016 and corresponding to an integrated luminosity of 35.9 fb−1. The observed data are consistent with standard model expectations. The results are interpreted in the context of two physics models. The first model involves righthanded charged bosons, WR, that decay to heavy right-handed Majorana neutrinos, N ( = e, μ, τ), arising in a left-right symmetric extension of the standard model. The model considers that Ne and Nµ are too heavy to be detected at the LHC. Assuming that the Nτ mass is half of the WR mass, masses of the WR boson below 3.50 TeV are excluded at 95% confidence level. Exclusion limits are also presented considering different scenarios for the mass ratio between Nτ and WR, as a function of WR mass. In the second model, pair production of third generation scalar leptoquarks that decay into τ τbb is considered, resulting in an observed exclusion region with leptoquark masses below 1.02 TeV, assuming a 100% branching fraction for the leptoquark decay to a τ lepton and a bottom quark. These results represent the most stringent limits to date on these models.
AU - Sirunyan,AM
AU - Tumasyan,A
AU - Adam,W
AU - Ambrogi,F
AU - Asilar,E
AU - Bergauer,T
AU - Brandstetter,J
AU - Dragicevic,M
AU - Eroe,J
AU - Del,Valle AE
AU - Flechl,M
AU - Fruehwirth,R
AU - Ghete,VM
AU - Hrubec,J
AU - Jeitler,M
AU - Krammer,N
AU - Kraetschmer,I
AU - Liko,D
AU - Madlener,T
AU - Mikulec,I
AU - Rad,N
AU - Rohringer,H
AU - Schieck,J
AU - Schoefbeck,R
AU - Spanring,M
AU - Spitzbart,D
AU - Taurok,A
AU - Waltenberger,W
AU - Wittmann,J
AU - Wulz,C-E
AU - Zarucki,M
AU - Chekhovsky,V
AU - Mossolov,V
AU - Gonzalez,JS
AU - De,Wolf EA
AU - Di,Croce D
AU - Janssen,X
AU - Lauwers,J
AU - Pieters,M
AU - Van,de Klundert M
AU - Van,Haevermaet H
AU - Van,Mechelen P
AU - Van,Remortel N
AU - Abu,Zeid S
AU - Blekman,F
AU - D'Hondt,J
AU - De,Clercq J
AU - Deroover,K
AU - Flouris,G
AU - Lontkovskyi,D
AU - Lowette,S
AU - Marchesini,I
AU - Moortgat,S
AU - Moreels,L
AU - Python,Q
AU - Skovpen,K
AU - Tavernier,S
AU - Van,Doninck W
AU - Van,Mulders P
AU - Van,Parijs I
AU - Beghin,D
AU - Bilin,B
AU - Brun,H
AU - Clerbaux,B
AU - De,Lentdecker G
AU - Delannoy,H
AU - Dorney,B
AU - Fasanella,G
AU - Favart,L
AU - Goldouzian,R
AU - Grebenyuk,A
AU - Kalsi,AK
AU - Lenzi,T
AU - Luetic,J
AU - Seva,T
AU - Starling,E
AU - Thomas,L
AU - Vander,Velde C
AU - Vanlaer,P
AU - Vannerom,D
AU - Yonamine,R
AU - Cornelis,T
AU - Dobur,D
AU - Fagot,A
AU - Gul,M
AU - Khvastunov,I
AU - Poyraz,D
AU - Roskas,C
AU - Trocino,D
AU - Tytgat,M
AU - Verbeke,W
AU - Vermassen,B
AU - Vit,M
AU - Zaganidis,N
AU - Bakhshiansohi,H
AU - Bondu,O
AU - Brochet,S
AU - Bruno,G
AU - Caputo,C
AU - Caudron,A
AU - David,P
AU - De,Visscher S
AU - Delaere,C
AU - Delcourt,M
AU - Francois,B
AU - Giammanco,A
AU - Krintiras,G
AU - Lemaitre,V
AU - Magitteri,A
AU - Mertens,A
AU - Musich,M
AU - Piotrzkowski,K
AU - Quertenmont,L
AU - Saggio,A
AU - Marono,MV
AU - Wertz,S
AU - Zobec,J
AU - Alda,Junior WL
AU - Alves,FL
AU - Alves,GA
AU - Brito,L
AU - Correia,Silva G
AU - Hensel,C
AU - Moraes,A
AU - Pol,ME
AU - Rebello,Teles P
AU - Belchior,Batista Das Chagas E
AU - Carvalho,W
AU - Chinellato,J
AU - Coelho,E
AU - Da,Costa EM
AU - Da,Silveira GG
AU - De,Jesus Damiao D
AU - De,Oliveira Martins C
AU - Fonseca,De Souza S
AU - Malbouisson,H
AU - Medina,Jaime M
AU - Matos,Figueiredo D
AU - Melo,De Almeida M
AU - Mora,Herrera C
AU - Mundim,L
AU - Nogima,H
AU - Sanchez,Rosas LJ
AU - Santoro,A
AU - Sznajder,A
AU - Thiel,M
AU - Tonelli,Manganote EJ
AU - Torres,Da Silva De Araujo F
AU - Vilela,Pereira A
AU - Ahuja,S
AU - Bernardes,CA
AU - Calligaris,L
AU - Fernandez,Perez Tomei TR
AU - Gregores,EM
AU - Mercadante,PG
AU - Novaes,SF
AU - Padula,SS
AU - Romero,Abad D
AU - Ruiz
DO - 10.1007/JHEP03(2019)170
PY - 2019///
SN - 1029-8479
TI - Search for heavy neutrinos and third-generation leptoquarks in hadronic states of two τ leptons and two jets in proton-proton collisions at √s = 13 TeV
T2 - Journal of High Energy Physics
UR - http://dx.doi.org/10.1007/JHEP03(2019)170
UR - http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000463074600001&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=1ba7043ffcc86c417c072aa74d649202
UR - http://hdl.handle.net/10044/1/69923
VL - 2019
ER -