Search for Top Squark and Higgsino Production Using Diphoton Higgs Boson Decays

Abstract

Results are presented of a search for a "natural" supersymmetry scenario with gauge mediated symmetry breaking. It is assumed that only the supersymmetric partners of the top quark (the top squark) and the Higgs boson (Higgsino) are accessible. Events are examined in which there are two photons forming a Higgs boson candidate, and at least two b-quark jets. In 19.7 fb(-1) of proton-proton collision data at root s = 8 TeV, recorded in the CMS experiment, no evidence of a signal is found and lower limits at the 95% confidence level are set, excluding the top squark mass below 360 to 410 GeV, depending on the Higgsino mass.


Tutti gli autori

  • Chatrchyan S , Khachatryan V , Sirunyan AM , Tumasyan A , Adam W , Bergauer T , Dragicevic M , Ero J , Fabjan C , Friedl M , Fruehwirth R , Ghete VM , Hartl C , Hormann N , Hrubec J , Jeitler M , Kiesenhofer W , Knuenz V , Krammer M , Kraetschmer I , Liko D , Mikulec I , Rabady D , Rahbaran B , Rohringer H , Schofbeck R , Strauss J , Taurok A , Treberer-Treberspurg W , Waltenberger W , Wulz CE , Mossolov V , Shumeiko N , Gonzalez JS , Alderweireldt S , Bansal M , Bansal S , Cornelis T , De Wolf EA , Janssen X , Knutsson A , Luyckx S , Mucibello L , Ochesanu S , Roland B , Rougny R , Van Haevermaet H , Van Mechelen P , Van Remortel N , Van Spilbeeck A , Blekman F , Blyweert S , D'Hondt J , Heracleous N , Kalogeropoulos A , Keaveney J , Kim TJ , Lowette S , Maes M , Olbrechts A , Strom D , Tavernier S , Van Doninck W , Van Mulders P , Van Onsem GP , Villella I , Caillol C , Clerbaux B , De Lentdecker G , Favart L , Gay APR , Leonard A , Marage PE , Mohammadi A , Pernie L , Reis T , Seva T , Thomas L , Vander Velde C , Vanlaer P , Wang J , Adler V , Beernaert K , Benucci L , Cimmino A , Costantini S , Dildick S , Garcia G , Klein B , Lellouch J , Mccartin J , Rios AAO , Ryckbosch D , Diblen SS , Sigamani M , Strobbe N , Thyssen F , Tytgat M , Walsh S , Yazgan E , Zaganidis N , Basegmez S , Beluffi C , Bruno G , Castello R , Caudron A , Ceard L , Da Silveira GG , Delaere C , Du Pree T , Favart D , Forthomme L , Giammanco A , Hollar J , Jez P , Komm M , Lemaitre V , Liao J , Militaru O , Nuttens C , Pagano D , Pin A , Piotrzkowski K , Popov A , Quertenmont L , Selvaggi M , Marono MV , Garcia JMV , Beliy N , Caebergs T , Daubie E , Hammad GH , Alves GA , Martins MC , Martins T , Pol ME , Souza MHG , Alda WL , Carvalho W , Chinellato J , Custdio A , Da Costa EM , Damiao DD , Martins CD , De Souza SF , Malbouisson H , Malek M , Figueiredo DM , Mundim L , Nogima H , Da Silva WLP , Santaolalla J , Santoro A , Sznajder A , Manganote EJT , Pereira AV , Bernardes CA , Dias FA , Tomei TRFP , Gregores EM , Lagana C , Mercadante PG , Novaes SF , Padula SS , Genchev V , Iaydjiev P , Marinov A , Piperov S , Rodozov M , Sultanov G , Vutova M , Dimitrov A , Glushkov I , Hadjiiska R , Kozhuharov V , Litov L , Pavlov B , Petkov P , Bian JG , Chen GM , Chen HS , Chen M , Du R , Jiang CH , Liang D , Liang S , Meng X , Plestina R , Tao J , Wang X , Wang Z , Asawatangtrakuldee C , Ban Y , Guo Y , Li Q , Li W , Liu S , Mao Y , Qian SJ , Wang D , Zhang L , Zou W , Avila C , Montoya CAC , Sierra LFC , Florez C , Gomez JP , Moreno BG , Sanabria JC , Godinovic N , Lelas D , Polic D , Puljak I , Antunovic Z , Kovac M , Brigljevic V , Kadija K , Luetic J , Mekterovic D , Morovic S , Tikvica L , Attikis A , Mavromanolakis G , Mousa J , Nicolaou C , Ptochos F , Razis PA , Finger M , Finger M , Abdelalim AA , Assran Y , Elgammal S , Kamel AE , Mahmoud MA , Radi A , Kadastik M , Muntel M , Muruma M , Raidal M , Rebane L , Tiko A , Eerola P , Fedi G , Voutilainen M , Haerkoenen J , Karimaeki V , Kinnunen R , Kortelainen MJ , Lampen T , Lassila-Perini K , Lehti S , Linden T , Luukka P , Maenoaa T , Peltola T , Tuominen E , Tuominiemi J , Tuovinen E , Wendland L , Tuuva T , Besancon M , Couderc F , Dejardin M , Denegri D , Fabbro B , Faure JL , Ferri F , Ganjour S , Givernaud A , Gras P , de Monchenault GH , Jarry P , Locci E , Malcles J , Nayak A , Rander J , Rosowsky A , Titov M , Baffioni S , Beaudette F , Busson P , Charlot C , Daci N , Dahms T , Dalchenko M , Dobrzynski L , Florent A , De Cassagnac RG , Mine P , Mironov C , Naranjo IN , Nguyen M , Ochando C , Paganini P , Sabes D , Salerno R , Sirois Y , Veelken C , Yilmaz Y , Zabi A , Agram JL , Andrea J , Bloch D , Brom JM , Chabert EC , Collard C , Conte E , Drouhin F , Fontaine JC , Gele D , Goerlach U , Goetzmann C , Juillot P , Le Bihan AC , Van Hove P , Gadrat S , Beauceron S , Beaupere N , Boudoul G , Brochet S , Chasserat J , Chierici R , Contardo D , Depasse P , El Mamouni H , Fan J , Fay J , Gascon S , Gouzevitch M , Ille B , Kurca T , Lethuillier M , Mirabito L , Perries S , Alvarez JDR , Sgandurra L , Sordini V , Donckt MV , Verdier P , Viret S , Xiao H , Tsamalaidze Z , Autermann C , Beranek S , Bontenackels M , Calpas B , Edelhoff M , Feld L , Hindrichs O , Klein K , Ostapchuk A , Perieanu A , Raupach F , Sammet J , Schael S , Sprenger D , Weber

Titolo volume/Rivista

PHYSICAL REVIEW LETTERS


Anno di pubblicazione

2014

ISSN

0031-9007

ISBN

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Settori ERC

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