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CERN Document Server 89 записей найдено  1 - 10следующийконец  перейти к записи: Поиск длился 0.53 секунд. 
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Field Redefinitions Can Be Nonlocal / Cohen, Timothy (CERN ; EPFL, Lausanne, LPTP ; Oregon U.) ; Forslund, Matthew (YITP, Stony Brook ; Brookhaven) ; Helset, Andreas (CERN)
We revisit the lore establishing the allowed space of field redefinitions and show that there are essentially no restrictions. [...]
CERN-TH-2024-216 ; YITP-SB-2024-35 ; arXiv:2412.12247.
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What is the Geometry of Effective Field Theories? / Cohen, Timothy (CERN ; EPFL, Lausanne, LPTP ; Oregon U.) ; Lu, Xiaochuan (UC, San Diego (main)) ; Zhang, Zhengkang (U. Utah, Salt Lake City)
We elaborate on a recently proposed geometric framework for scalar effective field theories. [...]
CERN-TH-2024-176 ; arXiv:2410.21378.
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Operator Origin of Anomalous Dimensions in de Sitter Space / Cohen, Timothy (CERN ; EPFL, Lausanne, LPTP ; Oregon U.) ; Green, Daniel (UC, San Diego (main)) ; Huang, Yiwen (UC, San Diego (main))
The late time limit of the power spectrum for heavy (principal series) fields in de Sitter space yields a series of polynomial terms with complex scaling dimensions. [...]
CERN-TH-2024-103 ; arXiv:2407.08581.
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Theoretical Concepts in Particle Physics 5/5 / Cohen, Tim (speaker) (CERN)
2024 - 3592. Summer Student Lecture Programme 2024; Summer Student Lecture Programme 2024 External links: Talk details; Event details In : Summer Student Lecture Programme 2024
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Theoretical Concepts in Particle Physics 4/5 / Cohen, Tim (speaker) (CERN)
2024 - 3435. Summer Student Lecture Programme 2024; Summer Student Lecture Programme 2024 External links: Talk details; Event details In : Summer Student Lecture Programme 2024
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Theoretical Concepts in Particle Physics 3/5 / Cohen, Tim (speaker) (CERN)
2024 - 3419. Summer Student Lecture Programme 2024; Summer Student Lecture Programme 2024 External links: Talk details; Event details In : Summer Student Lecture Programme 2024
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Theoretical Concepts in Particle Physics 2/5 / Cohen, Tim (speaker) (CERN)
2024 - 3495. Summer Student Lecture Programme 2024; Summer Student Lecture Programme 2024 External links: Talk details; Event details In : Summer Student Lecture Programme 2024
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Theoretical Concepts in Particle Physics 1/5 / Cohen, Tim (speaker) (CERN)
2024 - 3291. Summer Student Lecture Programme 2024; Summer Student Lecture Programme 2024 External links: Talk details; Event details In : Summer Student Lecture Programme 2024
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Recursion for Wilson-line Form Factors / Cohen, Timothy (CERN ; EPFL, Lausanne, LPTP ; Oregon U.) ; Riembau, Marc (CERN)
Matrix elements of Wilson-line dressed operators play a central role in the factorization of soft and collinear modes in gauge theories. When expressed using spinor helicity variables, these so-called form factors admit a classification starting from a Maximally Helicity Violating configuration, in close analogy with gauge theory amplitudes. [...]
arXiv:2406.03540; CERN-TH-2024-069.- 2024-10-17 - 28 p. - Published in : JHEP 2410 (2024) 132 Fulltext: 2406.03540 - PDF; document - PDF;
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On Amplitudes and Field Redefinitions / Cohen, Timothy (CERN ; EPFL, Lausanne, LPTP ; Oregon U.) ; Lu, Xiaochuan (UC, San Diego) ; Sutherland, Dave (Glasgow U.)
We derive an off-shell recursion relation for correlators that holds at all loop orders. This allows us to prove how generalized amplitudes transform under generic field redefinitions, starting from an assumed behavior of the one-particle-irreducible effective action. [...]
arXiv:2312.06748; CERN-TH-2023-233.- 2024-06-24 - 50 p. - Published in : JHEP 2406 (2024) 149 Fulltext: 2312.06748 - PDF; document - PDF;

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