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First Search for Gravitational Waves from Known Pulsars with Advanced LIGO

Abbott, B. P. and Abbott, R. and Adhikari, R. X. and Ananyeva, A. and Anderson, S. B. and Appert, S. and Arai, K. and Araya, M. C. and Barayoga, J. C. and Barish, B. C. and Berger, B. K. and Billingsley, G. and Biscans, S and Blackburn, J. K. and Bork, R. and Brooks, A. F. and Brunett, S. and Cahillane, C. and Callister, T. A. and Cepeda, C. B. and Couvares, P. and Coyne, D. C. and Drever, R. W. P. and Ehrens, P. and Eichholz, J. and Etzel, T. and Fries, E. M. and Gossan, S. E. and Gushwa, K. E. and Gustafson, E. K. and Hall, E. D. and Heptonstall, A. W. and Isi, M. and Kanner, J. B. and Kondrashov, V. and Korth, W. Z. and Kozak, D. B. and Lazzarini, A. and Maros, E. and Massinger, T. J. and Matichard, F. and McIntyre, G. and McIver, J. and Meshkov, S. and Pedraza, M. and Perreca, A. and Quintero, E. A. and Reitze, D. H. and Robertson, N. A. and Rollins, J. G. and Sachdev, S. and Sanchez, E. J. and Schmidt, P. and Singer, A. and Smith, R. J. E. and Taylor, R. and Torrie, C. I. and Tso, R. and Urban, A. L. and Vajente, G. and Vass, S. and Venugopalan, G. and Wade, A. R. and Wallace, L. and Weinstein, A. J. and Williams, R. D. (2017) First Search for Gravitational Waves from Known Pulsars with Advanced LIGO. Astrophysical Journal, 839 (1). Art. No. 12. ISSN 0004-637X. http://resolver.caltech.edu/CaltechAUTHORS:20170413-084028541

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Abstract

A search is performed for Higgs-boson-mediated flavor-changing neutral currents in the decays of top quarks. The search is based on proton-proton collision data corresponding to an integrated luminosity of 19.7 fb^(−1) at a center-of-mass energy of 8 TeV collected with the CMS detector at the LHC. Events in which a top quark pair is produced with one top quark decaying into a charm or up quark and a Higgs boson (H), and the other top quark decaying into a bottom quark and a W boson are selected. The Higgs boson in these events is assumed to subsequently decay into either dibosons or difermions. No significant excess is observed above the expected standard model background, and an upper limit at the 95% confidence level is set on the branching fraction ℬ(t → Hc) of 0.40% and ℬ(t → Hu) of 0.55%, where the expected upper limits are 0.43% and 0.40%, respectively. These results correspond to upper limits on the square of the flavor-changing Higgs boson Yukawa couplings |λ_(tc)H|^2 < 6.9 × 10^(−3) and |λ_(tu)H|^2 < 9.8 × 10^(−3).


Item Type:Article
Related URLs:
URLURL TypeDescription
https://doi.org/10.3847/1538-4357/aa677fDOIArticle
http://iopscience.iop.org/article/10.3847/1538-4357/aa677f/metaPublisherArticle
https://doi.org/10.3847/1538-4357/aa9aeeDOIErratum
http://iopscience.iop.org/article/10.3847/1538-4357/aa9aee/metaErrataErratum
https://arxiv.org/abs/1701.07709arXivDiscussion Paper
ORCID:
AuthorORCID
Adhikari, R. X.0000-0002-5731-5076
Billingsley, G.0000-0002-4141-2744
Callister, T. A.0000-0001-9892-177X
Isi, M.0000-0001-8830-8672
Kanner, J. B.0000-0001-8115-0577
Korth, W. Z.0000-0003-3527-1348
Kozak, D. B.0000-0003-3118-8950
Massinger, T. J.0000-0002-3429-5025
Weinstein, A. J.0000-0002-0928-6784
Williams, R. D.0000-0002-9145-8580
Additional Information:© 2017 American Astronomical Society. Received 2017 January 26. Accepted 2017 March 15. Published 2017 April 7. The authors gratefully acknowledge the support of the United States National Science Foundation (NSF) for the construction and operation of the LIGO Laboratory and Advanced LIGO as well as the Science and Technology Facilities Council (STFC) of the United Kingdom, the Max-Planck-Society (MPS), and the State of Niedersachsen/Germany for support of the construction of Advanced LIGO and construction and operation of the GEO600 detector. Additional support for Advanced LIGO was provided by the Australian Research Council. The authors gratefully acknowledge the Italian Istituto Nazionale di Fisica Nucleare (INFN), the French Centre National de la Recherche Scientifique (CNRS), and the Foundation for Fundamental Research on Matter supported by the Netherlands Organisation for Scientific Research, for the construction and operation of the Virgo detector and the creation and support of the EGO consortium. The authors also gratefully acknowledge research support from these agencies as well as by the Council of Scientific and Industrial Research of India, Department of Science and Technology, India, Science & Engineering Research Board (SERB), India, Ministry of Human Resource Development, India, the Spanish Ministerio de Economía y Competitividad, the Vicepresidència i Conselleria d'Innovació Recerca i Turisme and the Conselleria d'Educació i Universitat of the Govern de les Illes Balears, the National Science Centre of Poland, the European Commission, the Royal Society, the Scottish Funding Council, the Scottish Universities Physics Alliance, the Hungarian Scientific Research Fund (OTKA), the Lyon Institute of Origins (LIO), the National Research Foundation of Korea, Industry Canada and the Province of Ontario through the Ministry of Economic Development and Innovation, the Natural Science and Engineering Research Council Canada, Canadian Institute for Advanced Research, the Brazilian Ministry of Science, Technology, and Innovation, Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP), Russian Foundation for Basic Research, the Leverhulme Trust, the Research Corporation, Ministry of Science and Technology (MOST), Taiwan, and the Kavli Foundation. The authors gratefully acknowledge the support of the NSF, STFC, MPS, INFN, CNRS, and the State of Niedersachsen/Germany for provision of computational resources.
Group:LIGO
Funders:
Funding AgencyGrant Number
NSFUNSPECIFIED
Science and Technology Facilities Council (STFC)UNSPECIFIED
Max Planck SocietyUNSPECIFIED
State of Niedersachsen/GermanyUNSPECIFIED
Australian Research CouncilUNSPECIFIED
Istituto Nazionale di Fisica Nucleare (INFN)UNSPECIFIED
Centre National de la Recherche Scientifique (CNRS)UNSPECIFIED
Stichting voor Fundamenteel Onderzoek der Materie (FOM)UNSPECIFIED
Nederlandse Organisatie voor Wetenschappelijk Onderzoek (NWO)UNSPECIFIED
European Gravitational ObservatoryUNSPECIFIED
Council of Scientific and Industrial Research (India)UNSPECIFIED
Department of Science and Technology (India)UNSPECIFIED
Science and Engineering Research Board (SERB)UNSPECIFIED
Ministry of Human Resource Development (India)UNSPECIFIED
Ministerio de Economía y Competitividad (MINECO)UNSPECIFIED
Vicepresidència i Conselleria d'Innovació Recerca i TurismeUNSPECIFIED
National Science Centre (Poland)UNSPECIFIED
European CommissionUNSPECIFIED
Royal SocietyUNSPECIFIED
Scottish Funding CouncilUNSPECIFIED
Scottish Universities Physics AllianceUNSPECIFIED
Hungarian Scientific Research Fund (OTKA)UNSPECIFIED
Lyon Institute of Origins (LIO)UNSPECIFIED
National Research Foundation of KoreaUNSPECIFIED
Industry CanadaUNSPECIFIED
Natural Sciences and Engineering Research Council of Canada (NSERC)UNSPECIFIED
Canadian Institute for Advanced Research (CIFAR)UNSPECIFIED
Ministério da Ciência, Tecnologia, Inovação e ComunicaçãoUNSPECIFIED
Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)UNSPECIFIED
Russian Foundation for Basic ResearchUNSPECIFIED
Leverhulme TrustUNSPECIFIED
Research CorporationUNSPECIFIED
Ministry of Science and Technology (Taipei)UNSPECIFIED
Kavli FoundationUNSPECIFIED
Conselleria d'Educació i Universitat of the Govern de les Illes BalearsUNSPECIFIED
Ontario Ministry of Research and InnovationUNSPECIFIED
Record Number:CaltechAUTHORS:20170413-084028541
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20170413-084028541
Official Citation:B. P. Abbott et al 2017 ApJ 839 12
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:76550
Collection:CaltechAUTHORS
Deposited By: Ruth Sustaita
Deposited On:13 Apr 2017 19:22
Last Modified:18 Dec 2017 15:32

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