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@article{Sirunyan:2018:10.1007/JHEP11(2018)042,
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 Escalante, Del Valle A 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 Suarez, Gonzalez J 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, Bruyn I 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 },
doi = {10.1007/JHEP11(2018)042},
journal = {JOURNAL OF HIGH ENERGY PHYSICS},
title = {Search for black holes and sphalerons in high-multiplicity final states in proton-proton collisions a root s=13 TeVt},
url = {http://dx.doi.org/10.1007/JHEP11(2018)042},
volume = {2018},
year = {2018}
}

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TY  - JOUR
AB  - A search in energetic, high-multiplicity final states for evidence of physics beyond the standard model, such as black holes, string balls, and electroweak sphalerons, is presented. The data sample corresponds to an integrated luminosity of 35.9 fb−1 collected with the CMS experiment at the LHC in proton-proton collisions at a center-of-mass energy of 13 TeV in 2016. Standard model backgrounds, dominated by multijet production, are determined from control regions in data without any reliance on simulation. No evidence for excesses above the predicted background is observed. Model-independent 95% confidence level upper limits on the cross section of beyond the standard model signals in these final states are set and further interpreted in terms of limits on semiclassical black hole, string ball, and sphaleron production. In the context of models with large extra dimensions, semiclassical black holes with minimum masses as high as 10.1 TeV and string balls with masses as high as 9.5 TeV are excluded by this search. Results of the first dedicated search for electroweak sphalerons are presented. An upper limit of 0.021 is set at 95% confidence level on the fraction of all quark-quark interactions above the nominal threshold energy of 9 TeV resulting in the sphaleron transition.
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  - Escalante,Del Valle A
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  - Suarez,Gonzalez J
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,Bruyn I
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  - Postiau,N
AU  - Starling,E
AU  - Thomas,L
AU  - Vander,Velde C
AU  - Vanlaer,P
AU  - Vannerom,D
AU  - Wang,Q
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  - David,P
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  - Saggio,A
AU  - Vidal,Marono M
AU  - Wertz,S
AU  - Zobec,J
AU  - Alves,FL
AU  - Alves,GA
AU  - Brito,L
AU  - Correa,Martins Junior M
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  - Matos,Figueiredo D
AU  - Melo,De Almeida M
AU  - Mora,Herrera C
AU  - Mundim,L
AU  - Nogima,H
AU  - Prado,Da Silva WL
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,S
AU  - Romero,Abad D
AU  - Alek
DO  - 10.1007/JHEP11(2018)042
PY  - 2018///
SN  - 1029-8479
TI  - Search for black holes and sphalerons in high-multiplicity final states in proton-proton collisions a root s=13 TeVt
T2  - JOURNAL OF HIGH ENERGY PHYSICS
UR  - http://dx.doi.org/10.1007/JHEP11(2018)042
UR  - http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000450504400001&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=1ba7043ffcc86c417c072aa74d649202
UR  - http://hdl.handle.net/10044/1/64743
VL  - 2018
ER  -

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