[Hps] [EXTERNAL] Re: [PRad] A new exclusion limit

[Nelson, Timothy Knight]

Hi Stepan,

Perhaps the wrong link was sent?  This paper is a missing energy search for dark matter (a la LDMX), not visibly decaying dark photons - it cannot exclude anything in the visible search parameter space.  (Any visible decay will be vetoed in this search.)

Tim

> On Jul 21, 2023, at 11:30 AM, Stepan Stepanyan via Hps <hps at jlab.org> wrote:
> 
> The new results from NA64 cuts very close to our overtaxing region!
> 
> Stepan 
> 
>> Begin forwarded message:
>> 
>> From: Rafayel Paremuzyan via PRad <prad at jlab.org>
>> Subject: [PRad] A new exclusion limit
>> Date: July 21, 2023 at 11:46:29 AM EDT
>> To: "prad at jlab.org" <prad at jlab.org>
>> Reply-To: Rafayel Paremuzyan <rafopar at jlab.org>
>> 
>> Hello all,
>> 
>> here is the new paper (still in the Arxiv) that reports a huge new exclusion limit
>> https://urldefense.proofpoint.com/v2/url?u=https-3A__arxiv.org_abs_2307.02404&d=DwIFAg&c=CJqEzB1piLOyyvZjb8YUQw&r=ErLkbYGWd8oSAZ70ywHxhA&m=9RKBthU7PPqHGurhmXjW8nIul8HkuUV9TjCqFfxelYt0Ecz5fF-x4YJ7zUXeJepO&s=slZj9qYPT8Sgy2hkNLSvp4dUxg4LbJrb6IhAlrmGDzA&e= 
>> 
>> Rafo
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> 
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