NNV section for (astro)particle physics fall meeting

Session

Parallel Sessions (II)

Nov 3, 2023, 1:50 PM

de Werelt (Lunteren)

Conveners

Parallel Sessions (II): Session 2A - Room Air

• Clara Nellist

Parallel Sessions (II): Session 2C - Room Fire 2

• Andrii Usachov

Parallel Sessions (II): Session 2B - Room Fire 1

• Tina Pollmann

9. DUNE near detector 2x2 prototype

Marjolein van Nuland-Troost (Nikhef)

11/3/23, 1:50 PM

The Deep Underground Neutrino Experiment (DUNE) is a next-generation neutrino oscillation experiment currently under construction in the United States. The far detector site (at SURF) and near detector site (at Fermilab) are separated by a baseline of 1300 km. At the near detector site, a liquid argon detector (ND-LAr) with 70 optically separated time projection chambers (TPCs) will be...

10. Improving theoretical predictions for LHC processes by means of resummation

Robin van Bijleveld

11/3/23, 1:50 PM

The precision of experimental measurements continuously increases, which requires the theoretical predictions to improve as well. The problem of including higher order loop calculations in QCD is that large terms appear at all orders in perturbation theory, even though the coupling constant is small. They become for example large in the kinematic limit where the final state particles are...

11. Study of jet substructure correlations in pp and Pb-Pb collisions at $\sqrt{s_{\mathrm{NN}}} = 5.02$ TeV with ALICE.

Bas Hofman

11/3/23, 1:50 PM

The internal structure of jets is modified in the quark-gluon plasma due to parton-medium interactions.
This has been studied extensively in recent years by various experiments.
Current measurements can be described by a variety of models that implement different physics mechanisms, such as medium-induced radiation, medium response and color coherence

In this new study, we explore...

14. Detection of anomalies amongst LIGO's glitch populations with autoencoders

Melissa Lopez

11/3/23, 2:10 PM

Non-gaussian, transient bursts of noise in gravitational wave (GW) interferometers, also known as glitches, hinder the detection and parameter estimation of short- and long-lived GW signals in the main detector strain. Glitches, come in a wide range of frequency-amplitude-time morphologies and may be caused by environmental or instrumental processes, so a key step towards their mitigation is...

18. Dynamical position and orientation calibration of the KM3NeT telescope

Clara Gatius Oliver (PhD student)

11/3/23, 2:10 PM

KM3NeT is an underwater neutrino telescope which detects the Cherenkov radiation created by the products of neutrino interactions. To accurately reconstruct neutrino events, a precise determination of the position and orientation of the optical modules, which detect the Cherenkov radiation, is required. As the detector elements sway with the deep sea currents, a continuous tracking of the...

12. Neutrino astronomy with KM3NeT/ARCA

Thijs Juan van Eeden

11/3/23, 2:10 PM

The identification of cosmic objects emitting high energy neutrinos provides new insights about the
Universe and its active cosmic ray sources. The existence of cosmic neutrinos has been proven by the IceCube
Neutrino Observatory, but the big question of which sources these neutrinos originate from remains
largely unanswered. The KM3NeT/ARCA neutrino detector is currently under construction...

3. "Investigating test mass parameters for the Einstein Telescope interferometer "

Antonella Bianchi

11/3/23, 2:30 PM

"The ambitious Einstein Telescope (ET) project aims to prove an up-close examination of gravitational waves originating from sources near the birth of the Universe. This study's objective is to investigate parameter specifications for the interferometer's mirrors, including the level of surface distortion necessary for the detector to operate at the required sensitivity.
To achieve this, we...

23. Charming decay of the Higgs boson

Zhuoran Feng (Nikhef National institute for subatomic physics)

11/3/23, 2:30 PM

An important approach to fully understanding the mechanism how particles acquire mass is the coupling between the Higgs boson to first-generation fermions and to second-generation quarks. Among the searches for these types of coupling, the Higgs boson decay to charm quarks is the most promising mode to investigate. This talk will focus on the latest results of the Higgs boson to charm decay...

30. Quantum algorithm for track reconstruction in the LHCb vertex locator

Davide Nicotra

11/3/23, 2:30 PM

Using the LHCb vertex locator as a use-case, I will present a new algorithm for particle track reconstruction based on the minimisation of an Ising-like Hamiltonian using a linear algebra approach. This new formulation of the problem is suitable to be solved using the Harrow-Hassadim-Lloyd (HHL) quantum algorithm: if the hypotheses for an efficient implementation are met, this approach can...

29. Detecting the Cosmic Neutrino Background with PTOLEMY

Inge van Rens (Radboud University)

11/3/23, 2:50 PM

The PTOLEMY collaboration aims to detect the Cosmic Neutrino Background, the signal of neutrino freeze-out 1 second after the Big Bang. The CNB has been predicted, but not yet been measured. In this talk, I will give an overview of the PTOLEMY experiment and the challenges that need to be solved to make this experiment viable. Specifically, I will talk about progress on the development of the...

16. Inspecting The Higgs sector via H to H(bb)H(tautau) decay at ATLAS

Osama Karkout

11/3/23, 2:50 PM

Double-Higgs (HH) production is one of the most sought-after measurements at the LHC, as it is a direct probe of the Higgs self-coupling coming from the Higgs potential which will shed light on the Higgs sector. I will present the search for HH production in the bottom-quark and tau-lepton pairs decay channel. I focus on the ongoing analysis of the LHC Run-2 dataset, discussing the strategy to...

17. Searching for new physics using hadronic decays of W and Z bosons in the ATLAS detector

Dylan van Arneman

11/3/23, 2:50 PM

Fully hadronic decays of diboson (WW, ZZ, WZ) pairs into large-R jets may be more sensitive to currently undiscovered phenomena. As weak bosons are able to interact with spin-0, spin-1 and spin-2 particles, they act as a good tool for probing resonances of new physics beyond the standard model. Due to its large branching fraction, studying the hadronic channels is advantageous, as it can yield...