[Esr-users] Cooldown of Hall C target

[Ruben Fair]

All, 

Hall B will be ramping the solenoid and torus magnets shortly - i.e. within the next 30 minutes or so. 

Ruben 



From: "David Meekins" <meekins at jlab.org> 
To: "Joe D. Wilson, Jr" <jwilson at jlab.org> 
Cc: esr-users at jlab.org 
Sent: Wednesday, January 24, 2018 8:56:30 AM 
Subject: Re: [Esr-users] Cooldown of Hall C target 

Hi, 

I think that we need to make a correction to that announcement. There is no reason not to cool down this AM that I am aware of. 

Thanks 

David Meekins 
Staff Scientist 
Thomas Jefferson National Accelerator Facility 
12000 Jefferson Ave 
Newport News Va. 23606 

Office: 757-269-5434 
Cell: 757-968-9076 


From: "Joe D. Wilson, Jr" <jwilson at jlab.org> 
To: esr-users at jlab.org 
Sent: Wednesday, January 24, 2018 8:27:27 AM 
Subject: [Esr-users] Cooldown of Hall C target 



Hello, 

As of 0800 on 23Jan18 (today), it was announced at MCC that the Hall C 15K target cooldown may occur on late afternoon today, pending information update. Of course, the Cryogenics Department appreciates any updates with respect to any anticipated changes to the ESR loads. 

Thanks! 




----------------- 

Joe D. Wilson, Jr. 

Cryogenic Operations Engineer 



Jefferson Lab 

www.jlab.org 

757-269-7722 

jwilson at jlab.org 







From: Joe D. Wilson, Jr [mailto:jwilson at jlab.org] 
Sent: Tuesday, January 23, 2018 6:45 PM 
To: 'esr-users at jlab.org' <esr-users at jlab.org> 
Subject: FW: Cool down of Hall C target 




From: David Meekins [ mailto:meekins at jlab.org ] 
Sent: Tuesday, January 23, 2018 6:40 PM 
To: Christopher Perry < cperry at jlab.org >; Joe Wilson < jwilson at jlab.org > 
Cc: Christopher Keith < ckeith at jlab.org >; Dave Kashy < kashy at jlab.org >; Heidi Fansler < fansler at jlab.org > 
Subject: Cool down of Hall C target 




Hi Chris and Joe, 





I discovered that my phone is no longer sending mails so I apologize for not sending notice to you that Hall C would like to cool down their target in the AM on 1/24. We anticipate that this will take about 4 hours to get onto the cold return and another 4 hours to condense the H2/D2. 





Thanks 





David Meekins 
Staff Scientist 
Thomas Jefferson National Accelerator Facility 
12000 Jefferson Ave 
Newport News Va. 23606 

Office: 757-269-5434 
Cell: 757-968-9076 

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