ET design update telecons

We will use team speak for the telecons together with slides posted on the wiki.

Teamspeak details are

  • server:
  • password: la$er
  • channel: ET

Future telecons

Telecons are usually held on every second Wednesday of a month, 4pm-5pm CET, 3pm-4pm UK time.

The next dates are:

  • 10th of July 2019
  • 14th of August 2019
  • 11th of September 2019
  • 9th of October 2019
  • 13th of November 2019
  • 11th of December 2019


12th of June 2019

  • Updates for ET site parameter evaluation WG2 and WG3:
    1. Federico Paoletti for WG2 (sensors and sensor installation): SLIDES
    2. Lino Grado for WG3 (site conditions: geology, (geo) hydrology, accessibility,…): SLIDES
  • Updates/summaries from recent meetings (GWADW, DAWN V etc)
  • AOB

Recording of the call: mp3-file

8th of May 2019

  • N. De Lillo, A. Utina, A. Singha: “3G sensitivities and how to and how to look at them.” Slides ppt, pdf
  • A. Singha: “A time domain simulator for ET” Slides ppt, pdf

13th of February 2019

  • Eugene Polzik: “GWD beyond SQL with the negative mass spin oscillator” slides (ppt; pdf)
  • Riccardo DeSalvo: “Considerations to reduce beamsize on ET beamsplitter” (slides, document)
  • All: Any other updates/news

16th of January 2019

  • Jan Harms: Site Evaluation Parameters
  • Michele: Updates from meeting with APPEC + updates from ET-steering group meetings.

21st of November 2018

  • Matt Pitkin et al: “Evidence for a minimum pulsar ellipticity?” (Slides, Paper)
  • Matyas Vashut: “Seismic noise measures” (slides)
  • Updates re ESFRI roadmap application
  • Any other news

18th of October 2018

19th of September 2018

  • Quick update from DAWN IV meeting (David S., all), Program: Slides:
  • News from ESFRI and APPEC (Michele). Note 2018 ESFRI roadmap now available here:
  • Discussion 1: How to be become confident to achieve ET LF sensitivity? What is required and what are the risks? (all)
    1. What can be tested before building ET?
    2. What is needed for such tests?
    3. What are the risks of committing to such test in advance of ET?
    4. How to trade off the risks vs confidence gained by funders in ET?
    5. Noises that need consideration: NN, susp, seismsic, radiation pressure noise, control noise, scattered light.
    6. Do we need a detailed technical noise budget (simulink NB or similar)? If yes, what level of detail is required? If yes, how can we organise this development as teamwork?
    7. Would it be useful to define a target/maximal slope of the LF wall (Think something 8 orders of magnitude in h/ decade in frequency)
  • Discussion 2: How to calculate the ET facility limits? (all)
    1. Background: We always make an emphasis that ET is an infrastructure, not a single detector generation. One way to stress this further would be to always show a strain facility limit in addition to any ET strain sensitivities we show.
    2. What do we need to include? NN + residual gas noise? Any reduction to be assumed for NN?
  • Any other news or topics?

7th of March 2018

7th of February 2018

10th Jan 2018

6th Dec 2017

/export0/wikidata/pages/et_update_2017/et_telecons.txt · Last modified: 2019/06/12 16:13 by stefan.hild
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