• Jodi Cooley (SMU), Tongyan Lin (UCSD), Hugh Lippincott (UCSB), and Tracy Slatyer (MIT)
  • You can also email us using this link, or write to cooley[at]physics.smu.edu, tongyan[at]physics.ucsd.edu, hlippincott[at]ucsb.edu, and tslatyer[at]mit.edu
• Email list: SNOWMASS-CF-01-DM-PARTICLE@FNAL.GOV
  • For instructions how to join an Email list refer to Cosmic Frontier/Communications
• Slack channel: cf01-dark_matter_particle
• Indico page with summer/fall meeting schedule: link

This group covers dark matter in the regime where it appears in experiments as individual quanta, rather than coherently via wave phenomena. Techniques to search for such particles include directly through its interaction with detector materials, indirectly from products of its annihilation, and via production at accelerators (primarily covered in other frontiers).

We are planning to hold a series of 60-90 minute meetings for the CF1 topical group over the next few months. These meetings will include a mixture of short talks, panels, and general discussion and questions, informed by the responses from the interest survey and the discussion at the kickoff meeting. Thanks to all of you who attended the meeting or filled in the survey.

The start time for meetings will generally be 1pm US Eastern time (10am Pacific time, 11am Mountain time, 12pm Central time), and we will plan to meet each Friday. If you are interested in CF1 meetings, please try to hold that timeslot open (although of course we understand that this time will not work for everyone, and we apologize to those who can’t make it).

Please refer to our Indico page for weekly meeting details: https://indico.fnal.gov/category/1193

A very tentative schedule of topics (subject to change) is:

• August 7: >10 GeV direct detection/G3 DM toward neutrino floor
• August 14: >10 GeV indirect detection/TeV scale
• August 21: ~1 GeV towards the neutrino floor
• August 28: Dark Matter models and theory for >1 GeV
• September 4: Dark Matter MeV - 1 GeV: Space based searches
• September 11: Dark Matter MeV - GeV: Model building and theory
• September 18: Dark Matter keV - MeV
• September 25: Dark Matter keV - 1 GeV: ER direct detection searches part 1
• October 2: Dark Matter keV - 1 GeV: ER direct detection searches part 2
• Future possible meetings
  • Dark matter constraints from early universe: Joint CF1/CF3
  • Dark Matter Constraints from primordial black holes: Joint CF1/CF7
  • Complementarity conference or workshop with other frontiers

MEETING MATERIALS INCLUDING RECORDING CAN BE FOUND ON INDICO

https://indico.fnal.gov/event/43903/

Dear Colleagues,

We would like to invite you to participate in the public kick-off meeting of the Snowmass Cosmic Frontier “CF1. Dark Matter: Particle-like“ Topical Group on June 26, at 1 pm Eastern time, 10 am Pacific time. For experimentalists, please also circulate this invitation in your collaborations. The agenda and zoom coordinates can be found here:

https://indico.fnal.gov/event/43903/

The CF1 topical group focuses on dark matter in the regime where it appears to cosmic frontier experiments/observatories as individual quanta. In particular, this topical group includes direct and indirect detection methods (and to some extent accelerator-based methods, although those are largely covered in other topical groups and frontiers). We draw the “particle-like” vs. “wave-like” boundary at a dark matter mass around 1 eV, with searches for sub-eV dark matter handled by the second CF group, CF2, and heaver dark matter covered in CF1 (this group). More details will be eventually found at the wiki page:

https://snowmass21.org/cosmic/dm_particle

The goal of the kickoff meeting will be to describe the process as we see it from CF1, get a broad picture of the scope of possible efforts that might fit into this topical group, prepare for a series of more focused meetings to follow this summer on particular aspects of particle-like dark matter, and get initial feedback from the community..

To gauge the interest of the community and help organize those meetings, if you are interested in particle-like dark matter in any way, please fill out the following questionnaire:

https://forms.gle/M2GEoMfqCYpdhNSb8

In the meantime, make sure you sign up for our email list if you haven’t already, and also join the snowmass slack channels - we will move to exclusively using those forms of communication after this blast email. Details on how to join can be found on the wiki:

https://snowmass21.org/cosmic/start#communications

Also, we hope that you are already thinking about your LOIs and white papers, and we will certainly discuss those topics at the meeting. The CF conveners have prepared a template for LOIs that may be useful, found here:

https://snowmass21.org/cosmic/start#submissions

Apologies if you receive this multiple times. Best, Jodi Cooley (SMU), Tongyan Lin (UCSD), Hugh Lippincott (UCSB), Tracy Slatyer (MIT), Co-conveners of CF1

Here is the list of submitted LOIs to this topic. First index before ”/“ corresponds to the primary frontier used for the submission.