Objective
The average spectrum of the cosmic microwave background (CMB) has long been known to be extremely close to a perfect blackbody. Yet, several processes, standard and non-standard, exist that may cause deviations from a blackbody spectrum, commonly referred to as CMB spectral distortions. Classical distortion shapes are known as Compton-y and chemical potential (µ-type) distortions; however, recently it has been shown that more general distortions can be created at redshifts 10^4 < z < 3×10^5. This makes spectral distortions a unique and powerful probe of different early-universe processes. The immense potential of CMB spectral distortion measurements and their synergies with upcoming CMB anisotropy studies (Litebird, COrE+, Stage-IV CMB) has identified them as an important future target, with several innovative experimental concepts (e.g. PIXIE, APSERa) being actively discussed by the cosmology community.
This proposal has one main goal: to transform the emerging field of CMB spectral distortions into a mature scientific discipline. The team will significantly expand and strengthen the spectral distortion science case with particular emphasis on novel time-dependent information from the recombination era (10^3 < z < 10^4) and various photon injection processes. By combining all available information, we will investigate what spectral distortions could teach us about early-universe physics and the cosmological ionization history. Novel foreground parameterizations and experimental setups will be studied and simulation pipelines will be developed. Our work could deliver new tests for inflation, reionization and particle physics as well as extend our ability to distinguish sources of different distortion signals in the presence of foregrounds. We will identify novel spectral distortion science goals that will drive the experimental designs of future CMB spectroscopy experiments, pioneering and facilitating spectral distortion activities in Europe and worldwide.
Fields of science (EuroSciVoc)
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
- humanities history and archaeology history
- natural sciences earth and related environmental sciences geochemistry cosmochemistry
- natural sciences physical sciences astronomy physical cosmology
- natural sciences physical sciences theoretical physics particle physics photons
- natural sciences physical sciences optics spectroscopy
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Keywords
Project’s keywords as indicated by the project coordinator. Not to be confused with the EuroSciVoc taxonomy (Fields of science)
Project’s keywords as indicated by the project coordinator. Not to be confused with the EuroSciVoc taxonomy (Fields of science)
Programme(s)
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
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H2020-EU.1.1. - EXCELLENT SCIENCE - European Research Council (ERC)
MAIN PROGRAMME
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Topic(s)
Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
Funding Scheme
Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
ERC-COG - Consolidator Grant
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Call for proposal
Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.
Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.
(opens in new window) ERC-2016-COG
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Net EU financial contribution. The sum of money that the participant receives, deducted by the EU contribution to its linked third party. It considers the distribution of the EU financial contribution between direct beneficiaries of the project and other types of participants, like third-party participants.
M13 9PL Manchester
United Kingdom
The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.