Artículos de revistas
Observation of Electroweak Production of Same-Sign W Boson Pairs in the Two Jet and Two Same-Sign Lepton Final State in Proton-Proton Collisions at root s=13 TeV
Fecha
2018-02-22Registro en:
Physical Review Letters. College Pk: Amer Physical Soc, v. 120, n. 8, 17 p., 2018.
0031-9007
10.1103/PhysRevLett.120.081801
WOS:000425738500002
WOS000425738500002.pdf
Autor
Yerevan Phys Inst
Inst Hochenergiephys
Inst Nucl Problems
Univ Antwerp
Vrije Univ Brussel
Univ Libre Bruxelles
Univ Ghent
Catholic Univ Louvain
Univ Mons
Ctr Brasileiro Pesquisas Fis
Universidade do Estado do Rio de Janeiro (UERJ)
Universidade Estadual Paulista (Unesp)
Univ Federal ABC
Bulgarian Acad Sci
Univ Sofia
Beihang Univ
Inst High Energy Phys
Peking Univ
Univ Los Andes
Univ Split
Inst Rudjer Boskov
Univ Cyprus
Charles Univ Prague
Univ San Francisco Quito
Egyptian Network High Energy Phys
NICPB
Univ Helsinki
Helsinki Inst Phys
Lappeenranta Univ Technol
Univ Paris Saclay
Univ Strasbourg
CNRS
Univ Claude Bernard Lyon 1
Georgia Technol Univ
Tbilisi State Univ
Rhein Westfal TH Aachen
Deutsches Elekt Synchrotron
Univ Hamburg
Inst Expt Kernphys
NCSR Demokritos
Univ Athens
Natl Tech Univ Athens
Univ Ioannina
Eotvos Lorand Univ
Wigner Res Ctr Phys
Inst Nucl Res ATOMKI
Univ Debrecen
Indian Inst Sci IISc
Natl Inst Sci Educ & Res
Panjab Univ
Univ Delhi
HBNI
Indian Inst Technol Madras
Bhabha Atom Res Ctr
Tata Inst Fundamental Res A
Tata Inst Fundamental Res B
IISER
Inst Res Fundamental Sci IPM
Univ Coll Dublin
Ist Nazl Fis Nucl
Univ Bari
Politec Bari
Univ Bologna
Univ Catania
Univ Florence
Univ Genoa
Univ Milano Bicocca
Univ Naples Federico II
Univ Basilicata
Univ G Marconi
Univ Padua
Univ Trento
Univ Pavia
Univ Perugia
Univ Pisa
Scuola Normale Super Pisa
Sapienza Univ Roma
Univ Torino
Univ Piemonte Orientale
Univ Trieste
Kyungpook Natl Univ
Chonbuk Natl Univ
Chonnam Natl Univ
Hanyang Univ
Korea Univ
Seoul Natl Univ
Univ Seoul
Sungkyunkwan Univ
Vilnius Univ
Univ Malaya
Ctr Invest & Estudios Avanzados IPN
Univ Iberoamer
Benemerita Univ Autonoma Puebla
Univ Autonoma San Luis Potosi
Univ Auckland
Univ Canterbury
Quaid I Azam Univ
Natl Ctr Nucl Res
Univ Warsaw
Lab Instrumentacao & Fis Expt Particul
Joint Inst Nucl Res
Petersburg Nucl Phys Inst
Inst Nucl Res
Inst Theoret & Expt Phys
Moscow Inst Phys & Technol
Natl Res Nucl Univ
PN Lebedev Phys Inst
Lomonosov Moscow State Univ
Novosibirsk State Univ
State Res Ctr Russian Federat
Univ Belgrade
CIEMAT
Univ Autonoma Madrid
Univ Oviedo
Univ Cantabria
CERN
Paul Scherrer Inst
Inst Particle Phys & Astrophys IPA
Univ Zurich
Natl Cent Univ
NTU
Chulalongkorn Univ
Cukurova Univ
Middle East Tech Univ
Bogazici Univ
Istanbul Tech Univ
Natl Acad Sci Ukraine
Kharkov Inst Phys & Technol
Univ Bristol
Rutherford Appleton Lab
Imperial Coll
Brunel Univ
Baylor Univ
Catholic Univ Amer
Univ Alabama
Boston Univ
Brown Univ
Univ Calif Davis
Univ Calif Los Angeles
Univ Calif Riverside
Univ Calif San Diego
Univ Calif Santa Barbara
CALTECH
Carnegie Mellon Univ
Univ Colorado
Cornell Univ
Fermilab Natl Accelerator Lab
Univ Florida
Florida Int Univ
Florida State Univ
Florida Inst Technol
UIC
Univ Iowa
Johns Hopkins Univ
Univ Kansas
Kansas State Univ
Lawrence Livermore Natl Lab
Univ Maryland
MIT
Univ Minnesota
Univ Mississippi
Univ Nebraska
SUNY Buffalo
Northeastern Univ
Northwestern Univ
Univ Notre Dame
Ohio State Univ
Princeton Univ
Univ Puerto Rico
Purdue Univ
Purdue Univ Northwest
Rice Univ
Univ Rochester
Rockefeller Univ
Rutgers State Univ
Univ Tennessee
Texas A&M Univ
Texas Tech Univ
Vanderbilt Univ
Univ Virginia
Wayne State Univ
Univ Wisconsin
Vienna Univ Technol
Universidade Estadual de Campinas (UNICAMP)
Univ Fed Pelotas
Helwan Univ
Zewail City Sci & Technol
Fayoum Univ
British Univ Egypt
Ain Shams Univ
Univ Haute Alsace
Ilia State Univ
Brandenburg Tech Univ Cottbus
IIT Bhubaneswar
Inst Phys
Univ Visva Bharati
Univ Ruhuna
Isfahan Univ Technol
Yazd Univ
Islam Azad Univ
Univ Siena
Int Islam Univ Malaysia
MOSTI
Consejo Nacl Cient & Tecn
Warsaw Univ Technol
St Petersburg State Polytech Univ
Budker Inst Nucl Phys
Vinca Inst Nucl Sci
Riga Tech Univ
Stefan Meyer Inst Subat Phys
Adiyaman Univ
Istanbul Aydin Univ
Mersin Univ
Cag Univ
Piri Reis Univ
Izmir Inst Technol
Necmettin Erbakan Univ
Marmara Univ
Kafkas Univ
Istanbul Bilgi Univ
Univ Southampton
Inst Astrofis Canarias
Utah Valley Univ
Beykent Univ
Bingol Univ
Erzincan Univ
Sinop Univ
Mimar Sinan Univ
Texas A&M Univ Qatar
Institución
Resumen
The first observation of electroweak production of same-sign W boson pairs in proton-proton collisions is reported. The data sample corresponds to an integrated luminosity of 35.9 fb(-1) collected at a center-of-mass energy of 13 TeV with the CMS detector at the LHC. Events are selected by requiring exactly two leptons (electrons or muons) of the same charge, moderate missing transverse momentum, and two jets with a large rapidity separation and a large dijet mass. The observed significance of the signal is 5.5 standard deviations, where a significance of 5.7 standard deviations is expected based on the standard model. The ratio of measured event yields to that expected from the standard model at leading order is 0.90 +/- 0.22. A cross section measurement in a fiducial region is reported. Bounds are given on the structure of quartic vector boson interactions in the framework of dimension-8 effective field theory operators and on the production of doubly charged Higgs bosons.