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Clay Barton (Lund University)24/11/2025, 09:40
The Light Dark Matter eXperiment (LDMX) is a ‘missing momentum’ experiment searching for dark matter in the MeV to GeV-equivalent mass range. LDMX plans to use a high-repetition, low-current 8 GeV electron beam along with a high-Z target to potentially produce DM through high-statistics electron-nucleus interactions. Using a sophisticated system of complementary taggers, trackers, and...
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Andreas Pettersson (Lund University), Verena Hehl (Lund University)24/11/2025, 10:00
The Light Dark Matter eXperiment (LDMX) is a fixed-target electron-beam experiment aimed at observing light dark matter (LDM) production through missing momentum. LDMX’s electronic and hadronic calorimeter uses the HGCROC ASIC from the CMS experiment for electronic readout. This work focuses on the characteristic behavior of the ASIC’s Analogue to Digital Converter (ADC). The linearity of ADC...
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Taylor Gray (Chalmers University of Technology)24/11/2025, 10:15
Sub-GeV, or light, dark matter (DM) has emerged as a compelling candidate for the observed DM in the universe. Unlike the canonical WIMP, light DM can account for the thermal relic abundance while evading nuclear recoil direct detection constraints, due to its limited momentum transfer. This motivates alternative search strategies, such as electron recoil direct detection and accelerator based...
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Theresa Magdalena Backes (Chalmers)24/11/2025, 10:30
Dark photons are massive U(1) gauge bosons that interact with the Standard Model solely through kinetic mixing with standard photons. For sub-keV mass dark photons produced in the sun, absorption provides a possible detection channel. To maximize the detection probability, an optimal detector material needs to be identified. We develop a strategy to compare materials based on the calculation...
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