Publication
Observation of Higgs boson decay to bottom quarks
| dc.contributor.author | CMS collaboration (2285 authors) | |
| dc.contributor.author | Vischia, Pietro | |
| dc.contributor.author | Nayak, Aruna | |
| dc.contributor.author | Araujo, Mariana | |
| dc.contributor.author | Bargassa, Pedrame | |
| dc.contributor.author | Beirão Da Cruz E Silva, Cristóvão | |
| dc.contributor.author | Di Francesco, Agostino | |
| dc.contributor.author | Faccioli, Pietro | |
| dc.contributor.author | Galinhas, Bruno | |
| dc.contributor.author | Gallinaro, Michele | |
| dc.contributor.author | Hollar, Jonathan | |
| dc.contributor.author | Leonardo, Nuno | |
| dc.contributor.author | Seixas, Joao | |
| dc.contributor.author | Strong, Giles | |
| dc.contributor.author | Toldaiev, Oleksii | |
| dc.contributor.author | Varela, Joao | |
| dc.contributor.author | David Tinoco Mendes, Andre | |
| dc.contributor.author | Silva, Pedro | |
| dc.contributor.author | Musella, Pasquale | |
| dc.date.accessioned | 2019-02-05T16:55:03Z | |
| dc.date.available | 2019-02-05T16:55:03Z | |
| dc.date.issued | 2018-09-18 | |
| dc.date.updated | 2019-02-05T16:55:03Z | |
| dc.description.abstract | The observation of the standard model (SM) Higgs boson decay to a pair of bottom quarks is presented. The main contribution to this result is from processes in which Higgs bosons are produced in association with a W or Z boson (VH), and are searched for in final states including 0, 1, or 2 charged leptons and two identified bottom quark jets. The results from the measurement of these processes in a data sample recorded by the CMS experiment in 2017, comprising 41.3 fb-1 of proton-proton collisions at s=13 TeV, are described. When combined with previous VH measurements using data collected at s=7, 8, and 13 TeV, an excess of events is observed at mH=125 GeV with a significance of 4.8 standard deviations, where the expectation for the SM Higgs boson is 4.9. The corresponding measured signal strength is 1.01±0.22. The combination of this result with searches by the CMS experiment for H→bb¯ in other production processes yields an observed (expected) significance of 5.6 (5.5) standard deviations and a signal strength of 1.04±0.20. | |
| dc.description.version | Peer Reviewed | |
| dc.identifier | Phys.Rev.Lett. 121 (2018) 121801; DOI 10.1103/PhysRevLett.121.121801 | |
| dc.identifier.uri | http://dx.doi.org/10.1103/PhysRevLett.121.121801 | |
| dc.identifier.uri | http://hdl.handle.net/10400.26/27718 | |
| dc.language.iso | eng | |
| dc.title | Observation of Higgs boson decay to bottom quarks | |
| dc.type | journal article | |
| dspace.entity.type | Publication | |
| rcaap.rights | openAccess | pt |
| rcaap.type | article |