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SUMMARY:First Physics Results from millliQan with LHC Run3 Data
DTSTART:20250929T123000Z
DTEND:20250929T143000Z
DTSTAMP:20260420T103400Z
UID:indico-event-46980@agenda.infn.it
DESCRIPTION:Speakers: Giacomo Zecchinelli (Boston University)\n\nSearching
  for dark matter (DM) particles is a central goal of experimental particle
  physics\, since despite the strong astrophysical evidence for its existen
 ce\, the Standard Model of elementary particles provides no explanation fo
 r it.\nThe MilliQan experiment is an ongoing search for millicharged parti
 cles (mCPs)\, which naturally arise in many extensions of the SM\, which p
 rovide DM candidates via the introduction of a dark sector. The detector i
 s located just above the CMS experiment at the LHC\, where it benefits fro
 m both proximity to the interaction point\, where mCPs can be produced\, a
 nd significant shielding from most Standard Model backgrounds. This setup 
 allows MilliQan to probe mCPs in a broad mass range 0.01 GeV - 45 GeV \, w
 ith sensitivity to charges as low as 10−3 the charge of the electron. To
  cover this wide parameter space\, two complementary detector designs have
  been realized: a bar detector\, featuring long scintillating bars optimiz
 ed for low-charge\, low-mass sensitivity\, and a slab detector with wide s
 cintillating slabs designed for higher charges and masses mCPc scenarios.\
 nThe bar detector collected data for about two years during the LHC Run3\,
  corresponding to an integrated luminosity of 127 fb−1. In the summer of
  2024\, the slab detector was fully assembled\, and commissioning has sinc
 e been ongoing. The current status of the experiment will be presented\, i
 ncluding results from the 2024 bar detector dataset\, as well as recent co
 mmissioning studies of the slab detector and its early 2025 data.\n\nhttps
 ://agenda.infn.it/event/46980/
LOCATION:Aula Conversi (Dipartimento di Fisica-Ed. Marconi)
URL:https://agenda.infn.it/event/46980/
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