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Comment: Snowmass deadlines

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The European Strategy Group (ESG) process has nearly completed. The next major decadal strategy effort is the US Snowmass process, which will be followed by P5 panel recommendations, which in turn will guide funding and resource decisions.

The first issue milestone for the US Snowmass process is was the submission of short 2-page LOI's by Aug 30th and longer documents before summer of next year (2021). on Aug 31st, 2020. Longer "White-Paper" documents are now due by January 2022. These White-Papers may update or go beyond the content of the Belle II Physics Book https://arxiv.org/abs/1808.10567 and/or may also discuss technical aspects of SuperKEKB accelerator and Belle II detector upgrades.

Detailed scientific discussions will take place during the next year and a half. A large close-out meeting is planned in Seattle, WA in but deferred to the summer of 2021.
The following draft LOIs have been prepared 2022 due to the pandemic. Participation of all international Belle II colleagues and especially junior colleagues is strongly encouraged in this high energy physics community process. Contributions from theoretical colleagues are also welcomed. Belle II colleagues are encouraged to join the Snowmass topical groups.

N.B. Some of the original deadlines have been revised due to the pandemic (White Papers→Jan 2022, Closeout →Summer 2022)

Talks at meetings/workshops

Letters of interest

The following LOIs have been prepared and submitted for Belle II:

1. Belle II/SuperKEKB upgrades and overview

Coordinator: Tom Browder (teb@phys.hawaii.edu)

Final version:

 

View file
nameSnowmass_
2021
2020_LOI
-Belle II+SuperKEKB_Upgrades+Overview_v2
_UpgradesOverview-FinalDraft.pdf
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2.  B physics at Belle II

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Coordinator: Soeren Prell (prell@iastate.edu)

Draft 1.0

Draft 2.0 (textual changes)

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Final version:

View file
nameBelle2_Snowmass_LOI_B_physics_v3.0.pdf
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3. Dark Sector Studies at Belle II

Coordinators: Chris Hearty (hearty@physics.ubc.ca), Kevin Flood (kflood@hawaii.edu)

Draft V2 

Draft V3: add dark photon search to pi+ pi- final state

Draft V4: add paragraph on long-lived particles 

Draft V5: add paragraph on sterile neutrinos in tau decay 

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Final version:

View file
nameSnowmass_BelleII_DarkSector_LOI.pdf
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4. Charm Physics at Belle II

Coordinator: Alan Schwartz (alan.j.schwartz@uc.edu)

Draft v1

Draft v2 (added text in red)

Draft v3 (added text in red)

Draft v4 (added text in blue)

Draft v4 (no colors)

Draft v5 (final) (LaTex) (author-usbelle2.tex)

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Final version:

View file
nameSnowmass_BelleII_charm_LOI.pdf
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5. Tau Physics and Precision Electroweak Physics with Polarized beams at SuperKEKB/Belle II

Coordinator: Swagato Banerjee (swagato.banerjee@louisville.edu)Evolving Overleaf draft (

Final version:

view-
only link)

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file
nameSnowmass_Tau_EW_LOI.pdf
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6. Hadron Spectroscopy at Belle II

Coordinator: Bryan Fulsom (bryan.fulsom@pnnl.gov)Evolving Overleaf draft (

Final version:

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file
nameSnowmass_Hadrons_BelleII_LOI.pdf
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7. Belle II/SuperKEKB capabilities for QCD

Coordinator: Anselm Vossen (anselm.vossen@duke.edu)Evolving Overleaf draft (

Final version:

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file
namesnowmass_QCD_LOI.pdf
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8. Belle II detector upgrades (plans for the instrumentation frontier) 

Coordinator: Sven Vahsen ( Sven Einar Vahsen)

Draft 1.0: Belle2_Snowmass_Instrumentation_LOI_v1.pdf

Draft 2.0: Belle2_Snowmass_Instrumentation_LOI_v2.pdf (text edits, cleaned up VXD part of summary table)

Draft 3.0: Final version:

View file
nameBelle2_Snowmass_Instrumentation_LOI_
v3
v6.pdf
(added author list, fixed 2032 luminosity, other minor corrections)

Evolving Overleaf draft (view-only link)

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9. Belle II plans for the computing frontier

Coordinator: Jake Bennett (jvbennet@olemiss.edu)

Evolving overleaf draft (Final version:

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only link)
file
nameSnowmass_BelleII_Computing_LOI.pdf
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