Observation of a new χ b state in radiative transitions to Y(1S) and Y(2S) at ATLAS

The χ b (nP) quarkonium states are produced in proton-proton collisions at the Large Hadron Collider at √s=7TeV and recorded by the ATLAS detector. Using a data sample corresponding to an integrated luminosity of 4.4fb - 1, these states are reconstructed through their radiative decays to Υ(1S,2S) wi...

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Autor principal:	Aad, G.
Formato:	JOUR
Materias:	ATLAS detectors Data sample Decay mode Integrated luminosity Large Hadron Collider Proton proton collisions Quarkonium Radiative decay Radiative transitions Radioactivity Tellurium compounds High energy physics
Acceso en línea:	http://hdl.handle.net/20.500.12110/paper_00319007_v108_n15_p_Aad
Aporte de:	Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires

id	todo:paper_00319007_v108_n15_p_Aad
record_format	dspace
spelling	todo:paper_00319007_v108_n15_p_Aad2023-10-03T14:42:16Z Observation of a new χ b state in radiative transitions to Y(1S) and Y(2S) at ATLAS Aad, G. ATLAS detectors Data sample Decay mode Integrated luminosity Large Hadron Collider Proton proton collisions Quarkonium Radiative decay Radiative transitions Radioactivity Tellurium compounds High energy physics The χ b (nP) quarkonium states are produced in proton-proton collisions at the Large Hadron Collider at √s=7TeV and recorded by the ATLAS detector. Using a data sample corresponding to an integrated luminosity of 4.4fb - 1, these states are reconstructed through their radiative decays to Υ(1S,2S) with Υ→μ + μ - . In addition to the mass peaks corresponding to the decay modes χ b (1P,2P)→Υ(1S)γ, a new structure centered at a mass of 10.530±0.005(stat)±0.009(syst)GeV is also observed, in both the Υ(1S)γ and Υ(2S)γ decay modes. This structure is interpreted as the χ b (3P) system. © 2012 CERN. JOUR info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_00319007_v108_n15_p_Aad
institution	Universidad de Buenos Aires
institution_str	I-28
repository_str	R-134
collection	Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
topic	ATLAS detectors Data sample Decay mode Integrated luminosity Large Hadron Collider Proton proton collisions Quarkonium Radiative decay Radiative transitions Radioactivity Tellurium compounds High energy physics
spellingShingle	ATLAS detectors Data sample Decay mode Integrated luminosity Large Hadron Collider Proton proton collisions Quarkonium Radiative decay Radiative transitions Radioactivity Tellurium compounds High energy physics Aad, G. Observation of a new χ b state in radiative transitions to Y(1S) and Y(2S) at ATLAS
topic_facet	ATLAS detectors Data sample Decay mode Integrated luminosity Large Hadron Collider Proton proton collisions Quarkonium Radiative decay Radiative transitions Radioactivity Tellurium compounds High energy physics
description	The χ b (nP) quarkonium states are produced in proton-proton collisions at the Large Hadron Collider at √s=7TeV and recorded by the ATLAS detector. Using a data sample corresponding to an integrated luminosity of 4.4fb - 1, these states are reconstructed through their radiative decays to Υ(1S,2S) with Υ→μ + μ - . In addition to the mass peaks corresponding to the decay modes χ b (1P,2P)→Υ(1S)γ, a new structure centered at a mass of 10.530±0.005(stat)±0.009(syst)GeV is also observed, in both the Υ(1S)γ and Υ(2S)γ decay modes. This structure is interpreted as the χ b (3P) system. © 2012 CERN.
format	JOUR
author	Aad, G.
author_facet	Aad, G.
author_sort	Aad, G.
title	Observation of a new χ b state in radiative transitions to Y(1S) and Y(2S) at ATLAS
title_short	Observation of a new χ b state in radiative transitions to Y(1S) and Y(2S) at ATLAS
title_full	Observation of a new χ b state in radiative transitions to Y(1S) and Y(2S) at ATLAS
title_fullStr	Observation of a new χ b state in radiative transitions to Y(1S) and Y(2S) at ATLAS
title_full_unstemmed	Observation of a new χ b state in radiative transitions to Y(1S) and Y(2S) at ATLAS
title_sort	observation of a new χ b state in radiative transitions to y(1s) and y(2s) at atlas
url	http://hdl.handle.net/20.500.12110/paper_00319007_v108_n15_p_Aad
work_keys_str_mv	AT aadg observationofanewchbstateinradiativetransitionstoy1sandy2satatlas
_version_	1807323582990123008

Observation of a new χ b state in radiative transitions to Y(1S) and Y(2S) at ATLAS

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