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Event ID:  46491
Contact Name:  Instituto Internacional de Física da UFRN
Contact Email:  press@iip.ufrn.br
Contact Phone:  (84) 3342-2249
Organization:  Instituto Internacional de Física da UFRN
Event Web Site:  https://www.youtube.com/iiptv
Dates:  6th October 2021 to 10th October 2021
Physical Event:  No
Type:  Other
Start/End Type:  Both Starts and Ends During WSW
Country:  Brazil
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Event Name:  Seminário “From non- to ultra-relativistic gravitational scattering and radiation”
Event Description:  A apresentação “From non- to ultra-relativistic gravitational scattering and radiation” será transmitida ao vivo em www.youtube.com/iiptv, a partir das 13h do dia 06 de outubro. O Professor Veneziano possui interesses de pesquisa nas áreas de Cosmologia e Física das Astropartículas, Gravidade, QCD, Teoria Quântica de Campos, Teoria das Cordas. Ele foi o responsável por descobrir que a função beta de Euler servia para descrever muitas propriedades das partículas sob a influência da força nuclear forte. No seminário da próxima semana ele argumentará que os limites não relativísticos e ultrarrelativísticos do espalhamento gravitacional clássico são suavemente conectados no terceiro nível pós-Minkowskiano (PM), desde que os efeitos da reação de radiação sejam devidamente levados em consideração. We are excited to invite you to our next online seminar on October 6, at 01:00 PM Natal time (GMT-3). 💻 “From non- to ultra-relativistic gravitational scattering and radiation” 👉🏼SPEAKER: Gabriele Veneziano, CERN and College de France 👉🏼ABSTRACT: “Using the eikonal approximation for quantum scattering I will argue that the non-relativistic and ultra-relativistic limits of classical gravitational scattering are smoothly connected at the 3rd Post-Minkowskian (PM) level provided radiation reaction effects are properly taken into account. This solved, about a year ago, a two-year-old puzzle raised by the first 3PM result by Bern et al. Extending the connection to the next PM order looks both important and non-trivial.” If you want to received the seminar link, please fill out the form at https://docs.google.com/forms/d/e/1FAIpQLSfm5TBHIj1K5X50D2QavjLaMXwmlTsFv2PC1k98RqjdeSd4gw/viewform?fbclid=IwAR1xEuCADhGo8oQ9AMOZ_tt1zxpZzVrHNO01CKb_tgUKSx1Pn4UVVAcZnFY
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Attendance:  0
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