Name: Challenges at the CMB Frontier
Start: 2026-06-29T10:30:00+09:00
End: 2026-07-03T17:40:00+09:00
Location: Chino Cultural Complex

Challenges at the CMB Frontier

de lundi 29 juin 2026 (10:30) à vendredi 3 juillet 2026 (17:40)

lundi 29 juin 2026

10:30 Coffee and Reception
Coffee and Reception
10:30 - 11:00

11:00 Remarks: Opening
Opening
11:00 - 11:10
11:10 CMB & Cosmology: Current Status
Current Status
11:10 - 12:30
Contributions

11:10 Cosmology at a Crossroads: Tensions, Synergies, and the Future Role of the CMB - Elisa Ferreira (Kavli IPMU)
12:30 Lunch
Lunch
12:30 - 14:00
14:00 CMB Experiments: CMB Spectral Distortions
CMB Spectral Distortions
14:00 - 15:40
Contributions

14:00 Measuring CMB spectral distortions with FOSSIL and BISOU - Bruno Maffei (IAS Paris)

14:40 APSERa and PRATUSH - Mayuri S. Rao (Raman Research Institute)

15:10 COSMO - Luca Lamagna (U Rome Sapienza)
15:40 Coffee Break
Coffee Break
15:40 - 16:10
16:10 CMB Experiments: CMB Experiment Design and Development
CMB Experiment Design and Development
16:10 - 17:30
Contributions

16:10 FOSSIL's preliminary thermal architecture - Valentin SAUVAGE (Institut d'Astrophysique Spatiale)

16:30 BISOU: A Balloon-Borne Pathfinder for CMB Spectral Distortion Measurements - Morgane LOQUET LE GALL

16:50 Study of cosmic ray impacts on cryogenic high sensitivity detectors - Anaïs Besnard (Institut d'Astrophysique Spatiale (IAS))

17:10 Modeling thermal contribution produced by Cosmic Rays impact on a sub-K bolometric array at L2 - Guillermo Pascual-Cisneros (Kavli IPMU)
17:30 CMB & Cosmology: Computing
Computing
17:30 - 18:10
Contributions

17:30 CPU vs GPU (TBD) - Yusuke Takase (NTT Inc.)
mardi 30 juin 2026

13:30 Outreach Event: Public Lecture
Public Lecture
13:30 - 15:00
mercredi 1 juillet 2026
09:30 CMB Experiments: CMB Experiments
CMB Experiments
09:30 - 10:50
Contributions

09:30 LiteBIRD - Ryota Takaku (Okayama University)

10:10 Simons Observatory - Yoshinori Sueno (Kavli IPMU)
10:50 Coffee Break
Coffee Break
10:50 - 11:10
11:10 CMB Experiments: CMB Experiments
CMB Experiments
11:10 - 12:10
Contributions

11:10 GroundBIRD: A Fast-Rotating Polarimeter for Large-Scale CMB Polarization Measurements - Junya Suzuki

11:50 GroundBIRD: Preliminary Results on Polarization Angle Calibration with a Sparse Wire Grid - Miku Tsujii (Tohoku University)
12:10 Lunch
Lunch
12:10 - 13:40
13:40 CMB Experiments: Instrumental Systematic Effects
Instrumental Systematic Effects
13:40 - 15:00
Contributions

13:40 Overview of Instrumental Systematics - Marta Monelli (Kavli IPMU)

14:20 Ungrasp: Coordinate-Independent Beam Modeling for CMB Experiments via Spherical Wave Expansion - Maurizio Tomasi (Università degli Studi di Milano)

14:40 Systematic effect induced by misalignment in a Reflective Polarization Modulator for CMB, and application to the LiteBIRD case - Simone Stellati
15:00 Coffee Break
Coffee Break
15:00 - 15:20
15:20 CMB Experiments: Instrumental Systematic Effects
Instrumental Systematic Effects
15:20 - 16:20
Contributions

15:20 Mitigating correlated 1/f noise in map-making: A comparison of approximate and exact noise covariance models - Avinash Anand (University of Rome "Tor Vergata")

15:40 The Simons Observatory: A framework for efficient map-based simulations of instrumental systematics for CMB surveys - Magdy Morshed

16:00 An efficient way to compute beam convolution at the map level - Camille Demay (University of Trento, University of Ferrara)
16:20 Poster Session: Fire Slides
Fire Slides
16:20 - 16:40

16:40 Poster Session: Poster Session
Poster Session
16:40 - 18:30

18:30 Dinner
Dinner
18:30 - 20:30
jeudi 2 juillet 2026
09:30 CMB Experiments: CMB Experiments
CMB Experiments
09:30 - 10:10
Contributions

09:30 South Pole Observatory - Dominic Beck (Stanford University)
10:10 Astronomy: Astronomy
Astronomy
10:10 - 10:50
Contributions

10:10 Line Intensity Mapping as a Probe of Galaxy Formation, Reionization, and Cosmology - Kana Moriwaki (The University of Tokyo)
10:50 Coffee Break
Coffee Break
10:50 - 11:10
11:10 Astronomy: Astronomy
Astronomy
11:10 - 12:10
Contributions

11:10 DESHIMA 2.0: Observations, Calibration, and Data Analysis with an Ultra-wideband Submillimeter Integrated Superconducting Spectrometer - Akio Taniguchi (Kitami Institute of Technology)

11:50 SPT-3G Lensing Templates for South Pole Observatory - Yuka Nakato (Stanford University)
12:10 Lunch
Lunch
12:10 - 13:40
13:40 CMB Experiments: Foreground Modeling & Component Separation
Foreground Modeling & Component Separation
13:40 - 15:00
Contributions

13:40 Galactic Foregrounds (TBD) - Nicoletta Krachmalnicoff (SISSA)

14:20 Component Separation for CMB Experiments (TBD) - Alessandro Carones (SISSA)
15:00 Coffee Break
Coffee Break
15:00 - 15:20
15:20 CMB Experiments: Foreground Modeling & Component Separation
Foreground Modeling & Component Separation
15:20 - 17:00
Contributions

15:20 Combining Parametric Methods and Observation Matrices for Foreground Cleaning in the context of Simons Observatory - Baptiste Jost (Kavli IPMU)

15:40 Component Separation and Cosmological Parameter Estimation from Planck Data - Camille Gubeno (ENS Paris)

16:00 Addressing Synchrotron Challenges for CMB Observations: ELFS-SA Collaboration - Elena De La Hoz (NASA Goddard)

16:20 Semi-blind component separation for measuring CMB B-mode polarization with a satellite mission - Hoang Viet Tran

16:40 Foreground Cleaning with Delta-map for Large-scale CMB B-mode Polarization - Kiyoshi Ikuma
vendredi 3 juillet 2026
09:30 CMB Experiments: Dark Matter and Dark Energy
Dark Matter and Dark Energy
09:30 - 10:50
Contributions

09:30 Exploring dark matter on Earth - Shunsuke Adachi

10:10 From DESI to PFS: Cosmology with Spectroscopic Surveys and Connections to the CMB - Jingjing Shi (Kavli IPMU)
10:50 Coffee Break
Coffee Break
10:50 - 11:10
11:10 Astronomy: Astronomy
Astronomy
11:10 - 12:10
Contributions

11:10 Galaxy Formation in Cosmic Large-Scale Structures - Hideki Umehata (Nagoya University)

11:50 GION Multi-Wavelength Lightcone Cosmological Simulations: Applications to CMB x LSS Cross-Correlations - Ken Osato (Chiba University)
12:10 Lunch
Lunch
12:10 - 13:40
13:40 CMB & Cosmology: CMB & Cosmology
CMB & Cosmology
13:40 - 15:00
Contributions

13:40 Mapmaking and Likelihood - Giacomo Galloni (Universita di Ferrara)

14:20 High-Sensitivity Maps of CMB B-modes and Galactic Dust from the BICEP/Keck - Dominic Beck (Stanford University)

14:40 Unlocking reionisation with Planck and WMAP low-ℓ polarisation: a unified CMB likelihood approach - Valentina Genesini (Universita di Ferrara)
15:00 Coffee Break
Coffee Break
15:00 - 15:20
15:20 CMB & Cosmology: CMB and Cosmology
CMB and Cosmology
15:20 - 16:40
Contributions

15:20 Discovering Axion-like particles using CMB as a backlight - Harsh Metha (Tata Institute of Fundamental Research, Mumbai)

15:40 Resolving CMB-BAO tension with a large cosmic birefringence angle during reionization - Salvatore Sirletti (Kavli IPMU)

16:00 LiteBIRD’s view on the relativistic Sunyaev-Zel’dovich effect - Vipul Prasad Maranchery (University of Rome Tor Vergata, Italian Space Agency)

16:20 Probing time-dependent cosmic birefringence with LiteBIRD - Ippei Obata (IPNS-KEK)
16:40 Remarks: Closing
Closing
16:40 - 16:50

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