2025-03-25 15:26 |
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2025-03-25 11:38 |
[PUBDB-2025-01141]
Preprint
Völkel, U.
Particle Loss by Touschek Effect in a Storage Ring
[DESY-67-005]
A formula for the loss rate of electrons from a stored beam due to the so-called "Touschek Effect" is derived starting with the exact M~ller scattering crosssection. For rectangular distribution of transverse momentum, this formula is integrated explicitly. [...]
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2025-03-24 14:41 |
[PUBDB-2025-01137]
Contribution to a conference proceedings/Contribution to a book
Gehlot, M. ; N'gotta, P. ; Ramm, T. ; et al
Design of permanent magnet dipoles-quadrupoles with longitudinal gradient for the PETRA IV storage ring
2023[Ebook] IPAC'23 : 14th International Particle Accelerator Conference, 7-12 May 2023, Venice, Italy : proceedings / hosting institutions: INFN, Elettra Sincotrone Trieste , [Geneva] : JACoW Publishing, [2023], 14th International Particle Accelerator Conference, IPAC'23, VeniceVenice, Italy, 7 May 2023 - 12 May 20232023-05-072023-05-12
[Geneva] : JACoW Publishing 3798 - 3800 (2023) [10.18429/JACoW-IPAC2023-WEPM100]2023
The PETRA IV storage ring is a project planned to upgrade the synchrotron light source PETRA III at DESY. The main aim is to decrease the horizontal emittance as low as 20 pmrad. [...]
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2025-03-24 14:18 |
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2025-03-24 11:11 |
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2025-03-24 10:33 |
[PUBDB-2025-01133]
Preprint
Ma, Y. ; Celada, E. ; Han, T. ; et al
Higgs-muon interactions at a multi-TeV muon collider
[COMETA-2024-25; DESY-24-150; IRMP-CP3-24-29; MSUHEP-24-017; PITT-PACC-2410; SI-HEP-2024-22; arXiv:2410.06991]
We establish a simple yet general parameterization of Higgs-muon interactions within the effective field theory frameworks, including both the Higgs Effective Field Theory (HEFT) and the Standard Model Effective Field Theory (SMEFT). We investigate the potential of a muon collider, operating at center-of-mass energies of 3 and 10 TeV, to probe Higgs-muon interactions. [...]
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2025-03-24 08:14 |
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2025-03-21 13:42 |
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2025-03-21 12:17 |
[PUBDB-2025-01128]
Preprint
Clemente, G. ; Crippa, A. ; Jansen, K. ; et al
Variational quantum eigensolver for causal loop Feynman diagrams and directed acyclic graphs
[IFIC/22-28; arXiv:2210.13240]
We present a variational quantum eigensolver (VQE) algorithm for the efficient bootstrapping of the causal representation of multiloop Feynman diagrams in the loop-tree duality or, equivalently, the selection of acyclic configurations in directed graphs. A loop Hamiltonian based on the adjacency matrix describing a multiloop topology, and whose different energy levels correspond to the number of cycles, is minimized by VQE to identify the causal or acyclic configurations. [...]
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2025-03-21 12:07 |
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