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Search for Resonant Production of High-Mass Photon Pairs in Proton-Proton Collisions at sqrt[s]=8 and 13 TeV.

Journal articles  - Journal Article
Khachatryan, V; Sirunyan, AM; Tumasyan, A; Adam, W; Asilar, E; Bergauer, T; Brandstetter, J; Brondolin, E; Dragicevic, M; Erö, J; Flechl, M ...
Published in: Physical review letters
July 2016

A search for the resonant production of high-mass photon pairs is presented. The analysis is based on samples of proton-proton collision data collected by the CMS experiment at center-of-mass energies of 8 and 13 TeV, corresponding to integrated luminosities of 19.7 and 3.3  fb^{-1}, respectively. The interpretation of the search results focuses on spin-0 and spin-2 resonances with masses between 0.5 and 4 TeV and with widths, relative to the mass, between 1.4×10^{-4} and 5.6×10^{-2}. Limits are set on scalar resonances produced through gluon-gluon fusion, and on Randall-Sundrum gravitons. A modest excess of events compatible with a narrow resonance with a mass of about 750 GeV is observed. The local significance of the excess is approximately 3.4 standard deviations. The significance is reduced to 1.6 standard deviations once the effect of searching under multiple signal hypotheses is considered. More data are required to determine the origin of this excess.

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Published In

Physical review letters

DOI

EISSN

1079-7114

ISSN

0031-9007

Publication Date

July 2016

Volume

117

Issue

5

Start / End Page

051802

Related Subject Headings

  • General Physics
  • 51 Physical sciences
  • 49 Mathematical sciences
  • 40 Engineering
 

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Khachatryan, V., Sirunyan, A. M., Tumasyan, A., Adam, W., Asilar, E., Bergauer, T., … Stadie, H. (2016). Search for Resonant Production of High-Mass Photon Pairs in Proton-Proton Collisions at sqrt[s]=8 and 13 TeV. Physical Review Letters, 117(5), 051802. https://doi.org/10.1103/physrevlett.117.051802
Khachatryan, V., A. M. Sirunyan, A. Tumasyan, W. Adam, E. Asilar, T. Bergauer, J. Brandstetter, et al. “Search for Resonant Production of High-Mass Photon Pairs in Proton-Proton Collisions at sqrt[s]=8 and 13 TeV.Physical Review Letters 117, no. 5 (July 2016): 051802. https://doi.org/10.1103/physrevlett.117.051802.
Khachatryan V, Sirunyan AM, Tumasyan A, Adam W, Asilar E, Bergauer T, et al. Search for Resonant Production of High-Mass Photon Pairs in Proton-Proton Collisions at sqrt[s]=8 and 13 TeV. Physical review letters. 2016 Jul;117(5):051802.
Khachatryan, V., et al. “Search for Resonant Production of High-Mass Photon Pairs in Proton-Proton Collisions at sqrt[s]=8 and 13 TeV.Physical Review Letters, vol. 117, no. 5, July 2016, p. 051802. Epmc, doi:10.1103/physrevlett.117.051802.
Khachatryan V, Sirunyan AM, Tumasyan A, Adam W, Asilar E, Bergauer T, Brandstetter J, Brondolin E, Dragicevic M, Erö J, Flechl M, Friedl M, Frühwirth R, Ghete VM, Hartl C, Hörmann N, Hrubec J, Jeitler M, König A, Krätschmer I, Liko D, Matsushita T, Mikulec I, Rabady D, Rad N, Rahbaran B, Rohringer H, Schieck J, Strauss J, Treberer-Treberspurg W, Waltenberger W, Wulz C-E, Mossolov V, Shumeiko N, Suarez Gonzalez J, Alderweireldt S, De Wolf EA, Janssen X, Lauwers J, Van De Klundert M, Van Haevermaet H, Van Mechelen P, Van Remortel N, Van Spilbeeck A, Abu Zeid S, Blekman F, D’Hondt J, Daci N, De Bruyn I, Deroover K, Heracleous N, Lowette S, Moortgat S, Moreels L, Olbrechts A, Python Q, Tavernier S, Van Doninck W, Van Mulders P, Van Parijs I, Brun H, Caillol C, Clerbaux B, De Lentdecker G, Delannoy H, Fasanella G, Favart L, Goldouzian R, Grebenyuk A, Karapostoli G, Lenzi T, Léonard A, Luetic J, Maerschalk T, Marinov A, Randle-Conde A, Seva T, Vander Velde C, Vanlaer P, Yonamine R, Zenoni F, 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Aleksandrov A, Hadjiiska R, Iaydjiev P, Rodozov M, Stoykova S, Sultanov G, Vutova M, Dimitrov A, Glushkov I, Litov L, Pavlov B, Petkov P, Fang W, Ahmad M, Bian JG, Chen GM, Chen HS, Chen M, Chen Y, Cheng T, Jiang CH, Leggat D, Liu Z, Romeo F, Shaheen SM, Spiezia A, Tao J, Wang C, Wang Z, Zhang H, Zhao J, Ban Y, Chen G, Li Q, Liu S, Mao Y, Qian SJ, Wang D, Xu Z, Avila C, Cabrera A, Chaparro Sierra LF, Florez C, Gomez JP, González Hernández CF, Ruiz Alvarez JD, Sanabria JC, Godinovic N, Lelas D, Puljak I, Ribeiro Cipriano PM, Sculac T, Antunovic Z, Kovac M, Brigljevic V, Ferencek D, Kadija K, Micanovic S, Sudic L, Susa T, Attikis A, Mavromanolakis G, Mousa J, Nicolaou C, Ptochos F, Razis PA, Rykaczewski H, Finger M, Carrera Jarrin E, Assran Y, Elkafrawy T, Mahrous A, Calpas B, Kadastik M, Murumaa M, Perrini L, Raidal M, Tiko A, Veelken C, Eerola P, Pekkanen J, Voutilainen M, Härkönen J, Karimäki V, Kinnunen R, Lampén T, Lassila-Perini K, Lehti S, Lindén T, Luukka P, Peltola T, Tuominiemi J, Tuovinen E, Wendland L, Talvitie J, Tuuva T, Besancon M, Couderc F, Dejardin M, Denegri D, Fabbro B, Faure JL, Favaro C, Ferri F, Ganjour S, Ghosh S, Givernaud A, Gras P, Hamel de Monchenault G, Jarry P, Kucher I, Locci E, Machet M, Malcles J, Rander J, Rosowsky A, Titov M, Zghiche A, Abdulsalam A, Antropov I, Baffioni S, Beaudette F, Busson P, Cadamuro L, Chapon E, Charlot C, Davignon O, Granier de Cassagnac R, Jo M, Lisniak S, Miné P, Nguyen M, Ochando C, Ortona G, Paganini P, Pigard P, Regnard S, Salerno R, Sirois Y, Strebler T, Yilmaz Y, Zabi A, Agram J-L, Andrea J, Aubin A, Bloch D, Brom J-M, Buttignol M, Chabert EC, Chanon N, Collard C, Conte E, Coubez X, Fontaine J-C, Gelé D, Goerlach U, Le Bihan A-C, Merlin JA, Skovpen K, Van Hove P, Gadrat S, Beauceron S, Bernet C, Boudoul G, Bouvier E, Carrillo Montoya CA, Chierici R, Contardo D, Courbon B, Depasse P, El Mamouni H, Fan J, Fay J, Gascon S, Gouzevitch M, Grenier G, Ille B, Lagarde F, Laktineh IB, Lethuillier M, Mirabito L, Pequegnot AL, Perries S, Popov A, Sabes D, Sordini V, Vander Donckt M, Verdier P, Viret S, Toriashvili T, Tsamalaidze Z, Autermann C, Beranek S, Feld L, Heister A, Kiesel MK, Klein K, Lipinski M, Ostapchuk A, Preuten M, Raupach F, Schael S, Schomakers C, Schulte JF, Schulz J, Verlage T, Weber H, Zhukov V, Brodski M, Dietz-Laursonn E, Duchardt D, Endres M, Erdmann M, Erdweg S, Esch T, Fischer R, Güth A, Hamer M, Hebbeker T, Heidemann C, Hoepfner K, Knutzen S, Merschmeyer M, Meyer A, Millet P, Mukherjee S, Olschewski M, Padeken K, Pook T, Radziej M, Reithler H, Rieger M, Scheuch F, Sonnenschein L, Teyssier D, Thüer S, Cherepanov V, Flügge G, Haj Ahmad W, Hoehle F, Kargoll B, Kress T, Künsken A, Lingemann J, Müller T, Nehrkorn A, Nowack A, Nugent IM, Pistone C, Pooth O, Stahl A, Aldaya Martin M, Asawatangtrakuldee C, Beernaert K, Behnke O, Behrens U, Bin Anuar AA, Borras K, Campbell A, Connor P, Contreras-Campana C, Costanza F, Diez Pardos C, Dolinska G, Eckerlin G, Eckstein D, Eren E, Gallo E, Garay Garcia J, Geiser A, Gizhko A, Grados Luyando JM, Gunnellini P, Harb A, Hauk J, Hempel M, Jung H, Kalogeropoulos A, Karacheban O, Kasemann M, Keaveney J, Kieseler J, Kleinwort C, Korol I, Krücker D, Lange W, Lelek A, Leonard J, Lipka K, Lobanov A, Lohmann W, Mankel R, Melzer-Pellmann I-A, Meyer AB, Mittag G, Mnich J, Mussgiller A, Ntomari E, Pitzl D, Raspereza A, Roland B, Sahin MÖ, Saxena P, Schoerner-Sadenius T, Seitz C, Spannagel S, Stefaniuk N, Trippkewitz KD, Van Onsem GP, Walsh R, Wissing C, Blobel V, Centis Vignali M, Draeger AR, Dreyer T, Garutti E, Gonzalez D, Haller J, Hoffmann M, Junkes A, Klanner R, Kogler R, Kovalchuk N, Lapsien T, Lenz T, Marchesini I, Marconi D, Meyer M, Niedziela M, Nowatschin D, Pantaleo F, Peiffer T, Perieanu A, Poehlsen J, Sander C, Scharf C, Schleper P, Schmidt A, Schumann S, Schwandt J, Stadie H. Search for Resonant Production of High-Mass Photon Pairs in Proton-Proton Collisions at sqrt[s]=8 and 13 TeV. Physical review letters. 2016 Jul;117(5):051802.

Published In

Physical review letters

DOI

EISSN

1079-7114

ISSN

0031-9007

Publication Date

July 2016

Volume

117

Issue

5

Start / End Page

051802

Related Subject Headings

  • General Physics
  • 51 Physical sciences
  • 49 Mathematical sciences
  • 40 Engineering