NNV section for (astro)particle physics fall meeting

Session

Parallel Sessions (III)

8 Nov 2024, 15:20

Kontakt der Kontinenten

Conveners

Parallel Sessions (III): Session 3C - gamma

• Håkan Wennlöf (Nikhef)

Parallel Sessions (III): Session 3A - alpha

• Marjolein van Nuland-Troost (Nikhef)

Parallel Sessions (III): Session 3B - beta

• Andrea Garcia Alonso (Nikhef National institute for subatomic physics (NL))

8. Accidental Coincidences in Dark Matter Detectors

Pranati Kharbanda

08/11/2024, 15:20

XENONnT is one of the leading dark matter (DM) direct detection experiments, designed to search for weakly interacting massive particles (WIMPs), a promising dark matter candidate. Its next-generation successor, DARWIN, is being designed to comprehensively explore the accessible WIMP parameter space. As we probe certain ranges of DM masses, one significant background that increasingly impacts...

7. First Search for Ultralight Dark Matter Using a Magnetically Levitated Particle

Christopher Tunnell

08/11/2024, 15:20

There has been growing interest in using quantum sensing technologies for novel particle physics measurements. We perform the first search for ultralight dark matter using a magnetically levitated particle at Leiden University. A sub-millimeter permanent magnet is levitated in a superconducting trap with a measured force sensitivity of \SI{0.2}{fN/\sqrt{Hz}}. We find no evidence of a signal...

19. Improving time resolution of silicon pixel detectors using correction algorithms

Andrej Sarnatskiy

08/11/2024, 15:20

The LHCb detector will be upgraded during Long Shutdown 4 of the LHC (2033-2035) to increase the average number of visible proton-proton interactions per bunch crossing from 5 to 40. The current detector will not be able to match any secondary vertex with a primary with such pile-up. This is problematic for the detection and identification of short lived particles. Among the upgraded...

9. New results from fast timing iLGAD sensors on Timepix4

Daan Oppenhuis

08/11/2024, 15:40

With the High-Luminosity Large Hadron Collider (HL-LHC) the number of events per bunch crossing increases. This sets new requirements for the detectors. To distinguish all the tracks from quasi simultaneous collisions time information must be used in addition to spatial information. This requires an intensive R&D program. We aim to reach a time resolution of the order of 50 ps for silicon...

22. Preliminary results of $v_n$ measurements in Run 3 with ALICE

Noor Koster

08/11/2024, 15:40

Collective flow in heavy ion collisions is seen as a key signature of the Quark-Gluon Plasma, a state of matter that is created in ultra-relativistic Pb-Pb collisions at the Large Hadron Collider. This observable has been measured with high precision by ALICE in the last decade, providing crucial insights into the nature of the QGP. With the transition to Run 3, many detectors have been...

15. Timing performance of a 3D silicon sensor on Timepix4

Evridiki Chatzianagnostou

08/11/2024, 15:40

The upcoming high-luminosity era of the LHC will impose strict requirements on detector technology, particularly in achieving timing resolutions on the order of 50 ps for every pixel of the pixel detectors.
A possible solution is obtained with 3D silicon sensors. They are structured with electrodes penetrating into the substrate, which improves radiation hardness and reduces drift distance,...

23. Exploring the reaction 64-Ni + 238-U at RITU

Jennifer Brigitte Cipagauta Mora

08/11/2024, 16:00

Multi-nucleon transfer (MNT) reactions have shown promising tool to produce exotic nuclei and probe the reaction mechanisms that govern nuclear matter under extreme conditions [1].

The gas-filled recoil separator RITU [2] at Jyväskylä Accelerator Laboratory, enables the study of a fraction of transfer products emitted close to zero degrees from the beam. By combining RITU [3] detector...

16. Improving the invariant mass resolution in the search for Higgs to dimuon decays

Marten Barel (Nikhef National institute for subatomic physics (NL))

08/11/2024, 16:00

The Higgs boson decay to two muons allows for the first measurement of the Yukawa coupling of the Higgs to second generation fermions. Despite the relative simplicity of the decay channel, the small mass of the muons and the large irreducible background from off-shell Z and $\gamma$ decays make this very challenging. In this talk I will present a new method for improving the resolution of the...

35. No talk

08/11/2024, 16:00