Search for Higgs and Z Boson Decays to J/ψγ and Υ(nS)γ with the ATLAS Detector

ATLAS, Collaboration; Beck, Hans Peter; Cervelli, Alberto; Ereditato, Antonio; Haug, Sigve; Kabana, Sonja; Meloni, Federico; Pretzl, Klaus-Peter; Stramaglia, Maria Elena; Stucci, Stefania; Weber, Michael (2015). Search for Higgs and Z Boson Decays to J/ψγ and Υ(nS)γ with the ATLAS Detector. Physical review letters, 114(12), p. 121801. American Physical Society 10.1103/PhysRevLett.114.121801

[img]
Preview
Text
PhysRevLett.114.pdf - Published Version
Available under License Creative Commons: Attribution (CC-BY).

Download (424kB) | Preview

A search for the decays of the Higgs and Z bosons to J/ψγ and Υ(nS)γ (n=1,2,3 ) is performed with pp collision data samples corresponding to integrated luminosities of up to 20.3fb¯¹ collected at √s =8TeV with the ATLAS detector at the CERN Large Hadron Collider. No significant excess of events is observed above expected backgrounds and 95\% CL upper limits are placed on the branching fractions. In the J/ψγ final state the limits are 1.5×10¯³ and 2.6×10¯⁶ for the Higgs and Z boson decays, respectively, while in the Υ(1S,2S,3S)γ final states the limits are (1.3,1.9,1.3)×10¯³ and (3.4,6.5,5.4)×10¯⁶, respectively.

Item Type:

Journal Article (Original Article)

Division/Institute:

10 Strategic Research Centers > Albert Einstein Center for Fundamental Physics (AEC)
08 Faculty of Science > Physics Institute > Laboratory for High Energy Physics (LHEP)

UniBE Contributor:

Beck, Hans Peter; Cervelli, Alberto; Ereditato, Antonio; Haug, Sigve; Meloni, Federico; Pretzl, Klaus-Peter; Stramaglia, Maria Elena; Stucci, Stefania and Weber, Michael

Subjects:

500 Science > 530 Physics

ISSN:

0031-9007

Publisher:

American Physical Society

Language:

English

Submitter:

Annette Krebs-Wegenast

Date Deposited:

07 Sep 2016 11:33

Last Modified:

11 Sep 2016 02:13

Publisher DOI:

10.1103/PhysRevLett.114.121801

ArXiv ID:

1501.03276

Additional Information:

Kollaboration - Es sind nur die Berner Autoren namentlich erwähnt

BORIS DOI:

10.7892/boris.87665

URI:

https://boris.unibe.ch/id/eprint/87665

Actions (login required)

Edit item Edit item
Provide Feedback