Shio Sakon
\nPennsylvania State University<\/p>\n
The LIGO-Virgo-KAGRA Collaboration\u2019s fourth observing run (O4) produced a remarkable expansion of the gravitational-wave transient catalog, with nearly three times as many significant detections as were known at the start of the run. Among these were several first-of-their-kind events that challenged existing theories, and the increased rate of detections reflected the improvement in detector sensitivity and analysis capabilities over the past decade. <\/p>\n
This seminar will focus on the development and operation of the GstLAL matched-filter search pipeline, which identified over 240 significant gravitational-wave candidates during O4. I will discuss the new method for constructing template banks, sets of simulated gravitational-wave signals that form the foundation of matched-filter searches, which improves the computational efficiency of bank generation. This approach was deployed in all O4 GstLAL production analyses, including the subsolar-mass search, which targets potential signatures of new physics and represents an additional area of my work.<\/p>\n
Gravitational-wave astronomy has an exciting future ahead. With upcoming observing runs starting in mid to late this year, future observing runs in the planning, and next-generation detectors on the horizon, the opportunities for discovery are rapidly expanding. Multi-messenger observations, deeper searches, and computationally efficient pipelines will play a central role in revealing new aspects of our Universe. I will outline the research I envision in the future observing runs with an emphasis on enabling future discoveries.<\/p>\n","protected":false},"excerpt":{"rendered":"
Detecting Gravitational Wave Signals – Methods, Challenges, and Opportunities<\/strong> The LIGO-Virgo-KAGRA Collaboration\u2019s fourth observing run (O4) produced a remarkable expansion of the gravitational-wave transient catalog, with nearly three times as many significant detections as were known at the start of the run. Among these were several first-of-their-kind events that challenged existing theories, and the increased rate of detections reflected the improvement in detector sensitivity and analysis capabilities over the past decade. <\/p>\n","protected":false},"author":9647,"featured_media":0,"template":"","meta":{"_acf_changed":false,"_tribe_events_status":"","_tribe_events_status_reason":"","_tribe_events_is_hybrid":"","_tribe_events_is_virtual":"","_tribe_events_virtual_video_source":"","_tribe_events_virtual_embed_video":"","_tribe_events_virtual_linked_button_text":"","_tribe_events_virtual_linked_button":"","_tribe_events_virtual_show_embed_at":"","_tribe_events_virtual_show_embed_to":[],"_tribe_events_virtual_show_on_event":"","_tribe_events_virtual_show_on_views":"","_tribe_events_virtual_url":"","footnotes":"","uwm_wg_additional_authors":[]},"tags":[],"tribe_events_cat":[46],"class_list":["post-9097","tribe_events","type-tribe_events","status-publish","hentry","tribe_events_cat-cgca-seminars","cat_cgca-seminars"],"yoast_head":"\n
\nShio Sakon
\nPennsylvania State University<\/p>\n