Search for subsolar mass ultracompact binaries in Advanced LIGO’s second observing run

Abbott, B. P. et al. (2019) Search for subsolar mass ultracompact binaries in Advanced LIGO’s second observing run. Physical Review Letters, 123(16), 161102. (doi: 10.1103/PhysRevLett.123.161102)

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Abstract

We present an Advanced LIGO and Advanced Virgo search for sub-solar mass ultracompact objects in data obtained during Advanced LIGO’s second observing run. In contrast to a previous search of Advanced LIGO data from the first observing run, this search includes the effects of component spin on the gravitational waveform. We identify no viable gravitational wave candidates consistent with sub-solar mass ultracompact binaries with at least one component between 0.2 − 1.0 M⊙. We use the null result to constrain the binary merger rate of (0.2 M⊙, 0.2 M⊙) binaries to be less than 3.7 × 105 Gpc−3yr−1 and the binary merger rate of (1.0 M⊙, 1.0 M⊙) binaries to be less than 5.2 × 103 Gpc−3yr−1. Sub-solar mass ultracompact objects are not expected to form via known stellar evolution channels, though it has been suggested that primordial density fluctuations or particle dark matter with cooling mechanisms and/or nuclear interactions could form black holes with sub-solar masses. Assuming a particular primordial black hole formation model, we constrain a population of 0.2M⊙ black holes to account for less than 16% of the dark matter density and a population of 1.0 M⊙ black holes to account for less than 2% of the dark matter density. We discuss how constraints on the merger rate and dark matter fraction may be extended to arbitrary black hole population models that predict sub-solar mass binaries.

Item Type:Articles
Keywords:Dark matter, gravitational wave sources, massive compact halo objects.
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Grant, Mr Alastair and Spencer, Mr Andrew and Pearlstone, Brynley and Messenger, Dr Christopher and Masso Reid, Ms Mariela and Isa, Hafizah Noor Binti and Bell, Dr Angus and Williams, Mr Daniel and Pascucci, Daniela and Toland, Mr Karl and Hayes, Mr Fergus and Hammond, Professor Giles and Hild, Professor Stefan and Barr, Dr Bryan and Sorazu Lucio, Dr Borja and Lee, Kyung Ha and Barclay, Sheena Elaine and Steinlechner, Dr Jessica and Veitch, Dr John and Kinley-Hanlon, Maya Marie Antoinette and Heng, Professor Ik Siong and van Veggel, Dr Marielle and Tait, Mr Simon and Briggs, Mr Joseph and Cunningham, Dr William and Zhang, Teng and Hendry, Professor Martin and Scott, Dr Jamie and Mangano, Valentina and Rowan, Professor Sheila and Martin, Dr Iain and Robertson, Professor Norna and Chan, Mr Man Leong and Tornasi, Zeno and Cumming, Dr Alan and Dupej, Mr Peter and Gabbard, Mr Hunter and Berry, Dr Christopher and Gray, Ms Rachel and Woan, Professor Graham and WRIGHT, Jennifer and Steinlechner, Dr Sebastian and Datrier, Ms Laurence and Hough, Professor James and Huttner, Dr Sabina and FLETCHER, MARK and Bayley, Mr Joseph and Strain, Professor Kenneth and Eddolls, Graeme and Jones, Mr Russell and Haughian, Dr Karen and Pitkin, Dr Matthew and Murray, Dr Peter
Authors: Abbott, B. P., Abbott, R., Abbott, T. D., Abraham, S., Acernese, F., Ackley, K., Adams, C., Adhikari, R. X., Adya, V. B., Affeldt, C., Agathos, M., Agatsuma, K., Aggarwal, N., Aguiar, O. D., Aiello, L., Ain, A., Ajith, P., Allen, G., Allocca, A., Aloy, M. A., Altin, P. A., Amato, A., Anand, S., Ananyeva, A., Anderson, S. B., Anderson, W. G., Angelova, S. V., Antier, S., Appert, S., Arai, K., Araya, M. C., Areeda, J. S., Arène, M., Arnaud, N., Aronson, S. M., Arun, K. G., Ascenzi, S., Ashton, G., Aston, S. M., Astone, P., Aubin, F., Aufmuth, P., AultONeal, K., Austin, C., Avendano, V., Avila-Alvarez, A., Babak, S., Bacon, P., Badaracco, F., Bader, M. K. M., Bae, S., Baird, J., Baker, P. T., Baldaccini, F., Ballardin, G., Ballmer, S. W., Bals, A., Banagiri, S., Barayoga, J. C., Barbieri, C., Barclay, S. E., Barish, B. C., Barker, D., Barkett, K., Barnum, S., Barone, F., Barr, B., Barsotti, L., Barsuglia, M., Barta, D., Bartlett, J., Bartos, I., Bassiri, R., Basti, A., Bawaj, M., Bayley, J. C., Bazzan, M., Bécsy, B., Bejger, M., Belahcene, I., Bell, A. S., Beniwal, D., Benjamin, M. G., Berger, B. K., Bergmann, G., Bernuzzi, S., Berry, C. P. L., Bersanetti, D., Bertolini, A., Betzwieser, J., Bhandare, R., Bidler, J., Biggs, E., Bilenko, I. A., Bilgili, S. A., Billingsley, G., Birney, R., Birnholtz, O., Biscans, S., Bischi, M., Biscoveanu, S., Bisht, A., Bitossi, M., Bizouard, M. A., Blackburn, J. K., Blackman, J., Blair, C. D., Blair, D. G., Blair, R. M., Bloemen, S., Bobba, F., Bode, N., Boer, M., Boetzel, Y., Bogaert, G., Bondu, F., Bonnand, R., Booker, P., Boom, B. A., Bork, R., Boschi, V., Bose, S., Bossilkov, V., Bosveld, J., Bouffanais, Y., Bozzi, A., Bradaschia, C., Brady, P. R., Bramley, A., Branchesi, M., Brau, J. E., Breschi, M., Briant, T., Briggs, J. H., Brighenti, F., Brillet, A., Brinkmann, M., Brockill, P., Brooks, A. F., Brooks, J., Brown, D. D., Brunett, S., Buikema, A., Bulik, T., Bulten, H. J., Buonanno, A., Buskulic, D., Buy, C., Byer, R. L., Cabero, M., Cadonati, L., Cagnoli, G., Cahillane, C., Calderón Bustillo, J., Callister, T. A., Calloni, E., Camp, J. B., Campbell, W. A., Cannon, K. C., Cao, H., Cao, J., Carapella, G., Carbognani, F., Caride, S., Carney, M. F., Carullo, G., Casanueva Diaz, J., Casentini, C., Caudill, S., Cavaglià, M., Cavalier, F., Cavalieri, R., Cella, G., Cerdá-Durán, P., Cesarini, E., Chaibi, O., Chakravarti, K., Chamberlin, S. J., Chan, M., Chao, S., Charlton, P., Chase, E. A., Chassande-Mottin, E., Chatterjee, D., Chaturvedi, M., Chatziioannou, K., Cheeseboro, B. D., Chen, H. Y., Chen, X., Chen, Y., Cheng, H.-P., Cheong, C. K., Chia, H. Y., Chiadini, F., Chincarini, A., Chiummo, A., Cho, G., Cho, H. S., Cho, M., Christensen, N., Chu, Q., Chua, S., Chung, K. 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Subjects:Q Science > QB Astronomy
Q Science > QC Physics
College/School:College of Science and Engineering > School of Physics and Astronomy
Research Group:Institute for Gravitational Research
Journal Name:Physical Review Letters
Publisher:American Physical Society
ISSN:0031-9007
ISSN (Online):1079-7114
Copyright Holders:Copyright © 2019 American Physical Society
First Published:First published in Physical Review Letters 123(16): 161102
Publisher Policy:Reproduced in accordance with the publisher copyright policy
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Project CodeAward NoProject NamePrincipal InvestigatorFunder's NameFunder RefLead Dept
173808Investigations in gravitational radiationSheila RowanScience and Technology Facilities Council (STFC)ST/N005422/1P&S - Physics & Astronomy
172131Proposal for UK Involvement in the Operation of Advanced LIGOKenneth StrainScience and Technology Facilities Council (STFC)ST/N00003X/1P&S - Physics & Astronomy