Publications database

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2024-12-12
15:04
arXiv [PUBDB-2024-07619] Preprint
; ; ; et al
The hunt for PeVatrons as the origin of the most energetic photons observed in the Galaxy
[arXiv:2404.16591]
 GO
Ultrarelativistic particles called cosmic rays permeate the Milky Way, propagating through the turbulent Galactic magnetic fields. The mechanisms under which these particles increase their energy can be reasonably described by current theories of acceleration and propagation of cosmic rays. [...]
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2024-12-12
14:06
OpenAccess [PUBDB-2024-07614] Preprint
; ; ; et al
Study of Υ(10753) decays to π$^{+}$π$^{−}$Υ(nS) final states at Belle II
[arXiv:2401.12021]
We present an analysis of the process e$^{+}$e$^{−}$ → π$^{+}$π$^{−}$Υ(nS) (where n = 1, 2, or 3) reconstructed in 19.6 fb$^{−1}$ of Belle II data during a special run of the SuperKEKB collider at four energy points near the peak of the Υ(10753) resonance. By analyzing the mass distribution of the π$^{+}$π$^{−}$Υ(nS) system and the Born cross sections of the e$^{+}$e$^{−}$ → π$^{+}$π$^{−}$Υ(nS) process, we report the first observation of Υ(10753) decays to the π$^{+}$π$^{−}$Υ(1S) and π$^{+}$π$^{−}$Υ(2S) final states, and find no evidence for decays to π$^{+}$π$^{−}$Υ(3S) [...]
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2024-12-12
13:38
OpenAccess [PUBDB-2024-07611] Preprint
; ; ; et al
Simultaneous Determination of Fragmentation Functions and Test on Momentum Sum Rule
[arXiv:2401.02781]
We perform a simultaneous global analysis of hadron fragmentation functions (FFs) to various charged hadrons (π±, K±, and p/p¯) at next-to-leading order in QCD. The world data include results from electron-positron single-inclusive annihilation, semi-inclusive deep inelastic scattering, as well as proton-proton collisions including jet fragmentation measurements for the first time, which lead to strong constraints on the gluon fragmentations. [...]
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2024-12-12
12:27
OpenAccess [PUBDB-2024-07607] Talk (non-conference)

Metadata at DESY Library: Metadata for physics experiment within DESY and outside of DESY
33. DESY Bibliothekskommission, DESY Bibkom, Deutsches Elektronen-SynchrotonHamburg, Deutsches Elektronen-Synchroton, Germany, 11 Dec 2024 - 11 Dec 20242024-12-112024-12-11 [10.3204/PUBDB-2024-07607]  GO
In this talk, we discuss the metadata-related topics that happen at Deutsches Elektronen-Synchroton DESY, including the metadata work that generates metadata records for the DESY ALPII experiment. Also an introduction of the NAPMIX (Nuclear, Astro, and Particle Metadata Integration for eXperiments) project that we closely collaborate with FAIR GSI and many other scientific institutes around Europe
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2024-12-12
12:17
OpenAccess [PUBDB-2024-07606] Preprint
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Two-loop five-point integrals: light, heavy and large-spin correlators
[arXiv:2401.06099]
We evaluated all two-loop conformal integrals appearing in five-point correlation functions of protected operators of $ \mathcal{N} $ = 4 Super Yang-Mills in several kinematical regimes. Starting from the correlation function of the lightest operators of the theory, we were able to extract structure constants of up to two spinning operators for small and large values of spin and the tensor structure label (polarization). [...]
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2024-12-12
11:59
arXiv [PUBDB-2024-07604] Preprint
; ; ; et al
Green's function Monte Carlo combined with projected entangled pair state approach to the frustrated J1-J2 Heisenberg model
[arXiv:2406.12207]
 GO
The tensor network algorithm, a family of prevalent numerical methods for quantum many-body problems, aptly captures the entanglement properties intrinsic to quantum systems, enabling precise representation of quantum states. However, its computational cost is notably high, particularly in calculating physical observables like correlation functions. [...]
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2024-12-12
11:37
[PUBDB-2024-07601] Contribution to a conference proceedings/Contribution to a book
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Quantitative Pulse Characterization of Octave Spanning Pulses in the MIR
CLEO 2024 : [Proceedings] - Optica Publishing Group Washington, D.C., 2024. - ISBN 978-1-957171-39-5 - doi:10.1364/CLEO_SI.2024.STh1C.1
CLEO: Science and Innovations, CharlotteCharlotte, North Carolina, 5 May 2024 - 10 May 20242024-05-052024-05-10
Optica Publishing Group Washington, D.C. STh1C.1 () [10.1364/CLEO_SI.2024.STh1C.1]  GO
We report on the pulse characterization of octave spanning pulses in the mid-infrared. By adapting two-dimensional shearing interferometry, we achieve precise quantitative measurements of octave spanning pulses..
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2024-12-12
10:51
[PUBDB-2024-07595] Talk (non-conference) (Invited)

The LUXE Detector Systems and their Synergies with E320
SLAC FPD Seminar, DESY / University HamburgMenlo Park, DESY / University Hamburg, USA, 11 Jun 2024 - 11 Jun 20242024-06-112024-06-11  GO
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2024-12-11
13:00
[PUBDB-2024-07575] Talk (non-conference) (Plenary/Keynote)

Particle physics at DESY: current projects and future plan
ESSnuSB+ 2nd Annual Meeting, University of HamburgHamburg, University of Hamburg, Germany, 23 Sep 2024 - 27 Sep 20242024-09-232024-09-27  GO
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2024-12-11
12:52
[PUBDB-2024-07574] Talk (non-conference)

Dunkle Materie am LHC
Seminar, Science CityHamburg, Science City, Germany, 1 Jun 2024 - 1 Jun 20242024-06-012024-06-01  GO
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