Preprints

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2025-09-29
10:13
[PUBDB-2025-04130] Preprint
; ; ; et al
Position-Blind Ptychography: Viability of image reconstruction via data-driven variational inference
 GO
In this work, we present and investigate the novel blind inverse problem of \emph{position-blind ptychography}, i.e., ptychographic phase retrieval without any knowledge of scan positions, which then must be recovered jointly with the image. The motivation for this problem comes from single-particle diffractive X-ray imaging, where particles in random orientations are illuminated and a set of diffraction patterns is collected. [...]

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2025-09-25
16:53
OpenAccess [PUBDB-2025-04099] Preprint
; ; ; et al
Cost for research -- how cost data of research can be included in open metadata to be reused and evaluated
arXiv () [10.48550/ARXIV.2506.18517]  GO
The openCost project aims to enhance transparency in research funding by making publication-related costs publicly accessible, following FAIR principles. It introduces a metadata schema for cost data, allowing aggregation and analysis across institutions. [...]
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2025-09-24
10:19
OpenAccess [PUBDB-2025-04077] Preprint

Monte Carlo Event Generators
[DESY-25-130; arXiv:2509.21611]
Monte Carlo event generators are in a modern terminology the digital twins of collider-based particle physics experiment. We give an introduction into the application of MC generators for particle physics, discuss their different components each simmulating a different aspect of physics. [...]

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2025-09-19
13:25
arXiv [PUBDB-2025-04038] Preprint
; ; ; et al
Measurements of ttW differential cross sections and the leptonic charge asymmetry at $\sqrt{s}$ = 13 TeV
[CERN-EP-2025-170; CMS-TOP-24-003; arXiv:2509.13512]
 GO
Measurements of properties of top quark-antiquark pair production in association with a W boson in proton-proton collisions at a center-of-mass energy of 13 TeV are presented, using a data sample corresponding to an integrated luminosity of 138 fb$^{-1}$, recorded by the CMS experiment at the CERN LHC. Events are selected based on the presence of either two leptons with the same electric charge or three leptons, and multiple jets and b-tagged jets. [...]
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2025-09-19
13:23
arXiv [PUBDB-2025-04037] Preprint
; ; ; et al
Search for resonances decaying to an anomalous jet and a Higgs boson in proton-proton collisions at $\sqrt{s}$ = 13 TeV
[CERN-EP-2025-190; CMS-B2G-24-015; arXiv:2509.13635]
 GO
This paper presents a search for new physics through the process where a new massive particle, X, decays into a Higgs boson and a second particle, Y. The Higgs boson subsequently decays into a bottom quark-antiquark pair, reconstructed as a single large-radius jet. [...]
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2025-09-19
13:21
arXiv [PUBDB-2025-04036] Preprint
; ; ; et al
DeepMET: Improving missing transverse momentum estimation with a deep neural network
[CERN-EP-2025-193; CMS-JME-24-001; arXiv:2509.12012]
 GO
At hadron colliders, the net transverse momentum of particles that do not interact with the detector (missing transverse momentum, $\vec{p}_\mathrm{T}^\text{miss}$) is a crucial observable in many analyses. In the standard model, $\vec{p}_\mathrm{T}^\text{miss}$ originates from neutrinos. [...]
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2025-09-19
13:18
arXiv [PUBDB-2025-04035] Preprint
; ; ; et al
Measurement of D$^0$ meson photoproduction in ultraperipheral heavy ion collisions
[CERN-EP-2025-095; CMS-HIN-24-003; arXiv:2509.08626]
 GO
This Letter reports the first measurement of photonuclear D$^0$ meson production in ultraperipheral heavy ion collisions. The study is performed using lead-lead collision data, with an integrated luminosity of 1.38 nb$^{-1}$, collected by the CMS experiment at a nucleon-nucleon center-of-mass energy of 5.36 TeV. [...]
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2025-09-19
13:12
arXiv [PUBDB-2025-04034] Preprint
; ; ; et al
Model-independent measurement of the Higgs boson associated production with two jets and decaying to a pair of W bosons in proton-proton collisions at $\sqrt{s}$ = 13 TeV
[CERN-EP-2025-173; CMS-HIG-24-004; arXiv:2509.07958]
 GO
A model-independent measurement of the differential production cross section of the Higgs boson decaying into a pair of W bosons, with a final state including two jets produced in association, is presented. In the analysis, events are selected in which the decay products of the two W bosons consist of an electron, a muon, and missing transverse momentum. [...]
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2025-09-16
00:36
OpenAccess [PUBDB-2025-03979] Preprint
; ; ; et al
Higher-Point Correlators in $\mathcal{N}$ = 4 SYM: Generating Functions
[DESY-25-126; arXiv:2509.14332]
We construct generating functions of five- and six-point correlators up to two loops at weak 't Hooft coupling in planar $\mathcal{N}$ = 4 SYM. These generating functions unify the correlators of the lightest scalar operator in the stress-tensor multiplet with those of all higher R-charge single-trace half-BPS scalar operators, thereby extending previous results for four-point loop integrands. [...]
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2025-09-02
12:29
[PUBDB-2025-03871] Preprint
; ; ; et al
Photoinduced Low Spin to High Spin Transition in a [2x2] Fe(II) Metallogrid: Diode Laser-Pumped Photocrystallography at the P11 Beamline in PETRA III, DESY
arXiv () [10.48550/ARXIV.2508.01734]  GO
We report on the photoinduced spin crossover (SCO) transition from a 2HS-2LS to a 3HS-1LS state in a [2x2] Fe(II) metallogrid complex using molecular crystals with static photocrystallography at a first ever attempt in the beamline P11 of the PETRA III synchrotron, DESY. A class 3B diode laser was used to induce the transition under controlled irradiation conditions. [...]
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