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SUMMARY:HAWC detection of SNR W28
DTSTART;VALUE=DATE-TIME:20261019T100000Z
DTEND;VALUE=DATE-TIME:20261019T101000Z
DTSTAMP;VALUE=DATE-TIME:20261112T103439Z
UID:indico-contribution-432-2253@events.ncbj.gov.pl
DESCRIPTION:Speakers: Suvendu  Giri (The Henryk Niewodniczański Institute
  of Nuclear Physics Polish Academy of Sciences)\nThe W28 supernova remnant
  is a promising site for studying the acceleration and propagation of Gala
 ctic cosmic rays. Its proximity to dense molecular clouds provides a natur
 al environment for cosmic-ray interactions and γ-ray production. We use d
 ata from the High-Altitude Water Cherenkov (HAWC) Observatory to investiga
 te the very-high-energy (VHE\; >100 GeV) γ-ray emission from the W28 regi
 on. We characterize the morphology of the emission and compare its spatial
  distribution with the surrounding molecular-cloud environment. HAWC detec
 ts significant VHE γ-ray emission from the region\, providing an opportun
 ity to probe the connection between the SNR\, cosmic rays\, and nearby mol
 ecular material. Our analysis aims to constrain the origin and propagation
  of the particles responsible for the observed γ-ray emission.\n\nhttps:/
 /events.ncbj.gov.pl/event/502/contributions/2253/
LOCATION:
URL:https://events.ncbj.gov.pl/event/502/contributions/2253/
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SUMMARY:Magnification bias for cross-correlation of CMB lensing and galaxy
  clustering in LSST
DTSTART;VALUE=DATE-TIME:20261019T093000Z
DTEND;VALUE=DATE-TIME:20261019T094500Z
DTSTAMP;VALUE=DATE-TIME:20261112T103439Z
UID:indico-contribution-432-2251@events.ncbj.gov.pl
DESCRIPTION:Speakers: Nicola Principi Cavaterra (NCBJ)\nCosmology is curre
 ntly in a period of rapid development. During the past decade\, increasing
  observational evidence has led to the establishment of the LCDM model. De
 spite its success\, the latter has recently been challenged by several ten
 sions. The combination of galaxy surveys and CMB lensing is a powerful pro
 be of the large-scale structure and a key tool for testing the standard co
 smological model in the era of next-generation experiments. Upcoming galax
 y surveys such as the Legacy Survey of Space and Time (LSST)\, together wi
 th CMB experiments such as the Simons Observatory (SO) and LiteBIRD\, will
  dramatically improve the volume of the available data. On the on the othe
 r hand\, such surveys will also require careful control of increasingly im
 portant observational systematics. One important effect is magnification b
 ias\, arising from lensing-induced fluctuations in observed galaxy number 
 counts. While previous studies focused on low redshift galaxy clustering a
 nd clustering-shear cross-correlations\, I will show that magnification bi
 as grows dramatically for the higher redhsifts probed by LSST. In particul
 ar\, I will present studies of the effect on the CMB lensing-galaxy cluste
 ring cross-correlation following a novel tomographic approach. Understandi
 ng and mitigating magnification bias will be crucial to fully exploit LSST
  data\, and to shed light on the unresolved cosmological tensions.\n\nhttp
 s://events.ncbj.gov.pl/event/502/contributions/2251/
LOCATION:
URL:https://events.ncbj.gov.pl/event/502/contributions/2251/
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SUMMARY:Impact of the systematic effects on the modified gravity and cosmo
 logical model constraints.
DTSTART;VALUE=DATE-TIME:20261019T094500Z
DTEND;VALUE=DATE-TIME:20261019T100000Z
DTSTAMP;VALUE=DATE-TIME:20261112T103439Z
UID:indico-contribution-432-2252@events.ncbj.gov.pl
DESCRIPTION:Speakers: Paweł Siegmund (NCBJ)\nThe combination of the data 
 from upcoming large-scale structure surveys - such as the Rubin Observator
 y Legacy Survey of Space and Time (LSST) - and CMB lensing experiments - l
 ike the Simons Observatory - offers a powerful tool to test deviations fro
 m ΛCDM. The robustness of these tests depends on our understanding of obs
 ervational and astrophysical systematics. In this talk\, I will present an
  investigation into the systematic effects that can have influence on robu
 stness of constraints on modified gravity and cosmological models. Specifi
 cally\, I will focus on likelihood-based analyses and the biases introduce
 d by photometric redshift errors in galaxy surveys.\n\nhttps://events.ncbj
 .gov.pl/event/502/contributions/2252/
LOCATION:
URL:https://events.ncbj.gov.pl/event/502/contributions/2252/
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