Tom et al. tuned the trigger this evening, before we began the runs.  (Run 82, or Run 83??)

===TRIGGER===

Trigger condition is: E OR HI/ds

We count the CAMAC OR signals as follows: A,B
    A: Which CAMAC module?  Left to right, 1,2,3,4,5
    B: Which module channel? This is the number engraved on the module by the LEMO output.

==E Definition==
All p-n sides of E detector: 
    RAL 109 discrim cable numbers: 4, 5, 7
       => Corresponds to CAMAC OR Numbers 2,2; 2,1; 3,1, respectively.
    
==HI/ds Definition==
All p-n sides of HI detector: 8, 9, 11
    RAL 109 discrim cable numbers 
       => Corresponds to CAMAC OR Numbers 4,3; 4,2; 5,3, respectively.

ds=Downscale; ds factor is 8 = 2^8 = 256

===SCALARS===

0: Ungated
1: Gated
2: dE (n-n) [Cable 3]
3: E (n-n)  [Cable 6]
4: HI (n-n) [Cable 10]
5: Pulser
6: Clock

===DISCUSSION===
The n-n side of the E detector seems to be noisier than the p-n side.  Thus the p-n side is used for the trigger logic, whilst the n-n side is used for the scalar.

However, there seems to be something confusing about using the p-n side for the true trigger but the n-n side for the scalars.  It means we cannot compare the scalars self-
consistently to each other.  That is, the gated or ungated signals do not have a strong correlation with the individual detector scalars.  In principle if we have enough LEMO 
cables and Fan In/Fan Out modules, we should simply propagate the p-n signals to both the trigger (when relevant, i.e. E detector) and the scalars alike.  For now we don't 
touch anything, though.

https://docs.google.com/spreadsheets/d/1kvCWF13RMH83fssuN2_JLZXJwNL4rUGSEeKOWAIHUi0/edit#gid=0

or

https://tinyurl.com/isolde-44ti

Each month's notes are attached.  Unfinished business naturally carries over to the next month.

This elog will be updated with new notes as necessary.

NB: These are the notes composed *prior* to the meeting, thus do not include any suggestions or corrections.

NB: This list may be incomplete!

CERN side: 

     Beam operators hope for a FC which can be automated at the end of SEC: Olof ?

     Gain resistors (and other items) sent to CERN.  Where are they?  KJ has them? Check with Karl

     w26 PC needs to get online.  Contact Olof when we return to ISOLDE to confirm the network port is still free.
Daid. Need to register the device to CERN

     Dry N2 bottle: ask Karl

Edinburgh side:

     Iris automated controls and mounts: in construction. Add additional stop so doesnt close all the way. Peter

     Cooling line chamber feed through: get spare. Peter
 
     Get Al degrader foil for heavy ions (~13 um), mount on dummy frame etc. probably fine from store. Should get 15
um for highest beam energy. With lowest beam energy we might need to change the foil: Daid

     Alpha spectral analysis: to be sorted. Daid, Claudia, Tom, Ruchi

     Sort routines for dE-E plots, etc, for online analysis: Tom

     Photo diodes x2 along with degrader foil: PCB for photodeiodes, PCB for photodiodes. extra holes for ladder. Peter

     Target ladder config finalization: 2 photodiodes, collimator (what size, we have 3 mm and 10mm), Beam viewer,
We need to verify how many positions we have. Need at least 2 CH2 and 1 Carbon. Daid, Claudia

     Extra ribbon cables are needed? need to check with calibration. Also need long ribbon cables

     Beam viewer: see target ladder

     Faraday cup SHV to SMA converter: Peter

     Window port for front of chamber? Peter

     Photographs and diagrams of experimental setup -- organized clearly for beam operators during tuning: add
technical drawing on elog. 

     Alignment -- 2 end caps and one target ladder mount for optics reflector (8 mm diameter?) For survey people. Peter

     Adjustable feet to be produced for radial alignment: Peter / Toby

     Contact CERN about date for beam connection: As soon as possible after 20th October. Talk to Karl/Olof. 

     Collimator at exit of SEC ? needs to be aligned. Ask what the other beamlines do - does olof have collimator
ahead of his chamber

     Calibration of Target ladder positions. Peter / Daid


Email to Karl & Olof about:
- FC after SEC
- Parcel of gain resistors
- date for connection of SEC to our chamber
- collimator in front of chamber ?
- N2 bottle

Photodiode
     Electronics
     Foil mount (12 um Al seems okay, but check more carefully)

Beam viewing material
     Previous order very delayed

==TDC data==

*Check for remaining LeCroy 622 quad logic unit
      ask Stephan http://www.ph.ed.ac.uk/people/stephan-eisenhardt

*Conversion cables for CAEN V767 TDC input

*RAL ADC output split of ribbon cable

==SSDs==

How to protect the S2s during beam tuning?
     Can the ISOLDE operators easily restore beam optics settings or not?
     (Determines if we can do all the beam tuning at once or if we have to separate them)
     Controlable iris aka Star Wars door -- contact Simon Fox at York

Dynamic range of the preamps is only maximum 200 MeV, so we need a foil to degrade the heavy ion energy

Gain resistors for up to three dynamic range settings

from ISOLDE webpage

Tinkering with configs for SYMPA email server to see if the elog info is sent to the mailing list or not

Normally it is sent by ELog@jast.ph.ed.ac.uk and I changed it to "restricted to local domain and subscribers" from "restricted to subscribers" under Edit List Config > Who can 
send messages.

Checking some server settings for the elog system regarding the email notification.

And testing updating an elog.


Testing again...

I asked IT about putting the elog name into the email subject line (useful for those of us subscribed to more than one elog).  They said they enabled it for ISOLDE.  Let's test 
to see!

Another test (June 1st)

From Alex, attached.

Faraday Cup (at end of Edinburgh chamber) measurements recorded in TIMBER (from approx 10.00 9/11/17).

http://www.dhl.com/en/express/tracking.html?AWB=1647723055&brand=DHL

For posterity

==========

Hi Ruchi,

Could you ask a friend for me to make a measurement with a ruler?  I
attach a PDF you may send along.  It shows a basic picture of the blue
chamber stand, a picture of the broken part, and an arrow with what I
need to know.  Second page of PDF shows what kind of signage should be
on the items of interest.

The steel wheel mounts have two bolts which connect them to the
struts.  We want to know the spacing between the *center* of one bolt
to the second bolt, so that we know the spacing to drill into the new
struts.  There are 4 such steel wheel mounts, two on a pair of struts.

My guess is the value is something around 12 cm give or take.  But I
need a precise value and I forgot to measure it in August.

The chamber stand is located to the beam left of XT01 (Miniball) in
ISOLDE hall, or it was ...

Cheers,
daid

Screen shots for accumulated data before the target went down.  Should be (at least) runs 53 & 54 inclusive, possibly back to the start of RI beam on CH2 target.

==BOX A==
VME crate
26 ribbon cables
    12 for analog
    12 for discrim
    2 extra

==BOX B==
RAL amp crate (full with modules)
Ribbon cables for patch
1 NIM Fan
2 Cable patch boxes

==BOX C==
RAP amp crate (only 5 modules)
Ribbon cables for patch
1 NIM Fan
2 Cable patch boxes

==BOX D==
Scrolling pump
Backflow interlock

==BOX A==  59kg - 600mm x 600mm x 800mm

VME crate, with power cable
    7 Silena ADCs
    1 S9418 ACQ controller
    2 CAEN V767 TDC
    CAEN 560
    MVME 24XX Motorola crate Controller
26 ribbon cables
    12 for analog
    12 for discrim
    2 extra


==BOX B==  49kg - 600mm x 600mm x 800mm

RAL amp crate (full with modules)
Ribbon cables for patch
1 NIM Fan
2 Cable patch boxes


==BOX C==  40kg - 600mm x 600mm x 800mm

RAP amp crate (only 5 modules)
Ribbon cables for patch
1 NIM Fan
2 Cable patch boxes


==BOX D==  29kg - 450mm x 450mm x 450mm

Scrolling pump
Backflow interlock


==BOX E==  

Target ladder and components


==BOX F==  92kg - 600mm x 600mm x 800mm

Large TMP
Small TMP
2 TMP controllers
2 Preamp feedthrough
   Bolts and washers
   2 O-Rings + 1 spare
2 Preamp power supplies
TMP bolts (large and small)
20x IEC leads
2x Swiss to UK leads
Box E
Box G
2x spare HVBNC cables
middle foot sections of blue frame
2x vacuum hoses


==BOX G==

2 inverse magnetron ion gauges
1 thermocouple vacuum gauge


==BOX H==

Multi gauge reader


==Box I==

Chiller & Pipes
Chamber, sliding mount
Box H (gauge reader)
Box E (target ladder)
4 Long ribbon cables
3 Power Bars


==BOX J==

6 feet for chamber stand
All bolts for chamber stand
Spacers


==BOX K==

Valve for TP 1 & 2
vacuum clamps


==BOX L==

Upstream beamline pipe
    Gate valve, nipple, adaptor flange to SEC
N2 pipe with valve
Mechanical pressure gauge and "plus" type connector
Swagelok nylon and brasss ferrels for gas line / coolant piping


==BOX M==

Bolts, nuts and spacers for chamber end flanges and center


==BOX N=

Blanking kindey plate
bellows
bellow cage
o-ring for ribbon feedthroughs
spare straight and right angle swagelok fittings
TMP/gauge mounting pipe
Faraday cup
dummy detectors
thermocouple cbable
cctv camera power lead
BNC to Lemo 
Lemo to Ribbon box
lemo cables
20 ~1 cm spacers for SSD mounting
9 ~2 cm spacers for SSD mounting


==BOX O==  84kg - 600mm x 600mm x 800mm

Box J, K. L. M, N, S, T
Old inv magnetron vac gauge meter
thin green polymer tubing (gas lines, cooling system)
current integrator for FC
3 large O-Rings for chamber (spare)
thermometer
short bits of blue frame
braces off blue frame
16way BNC multicore


==BOX P==  83kg - 600mm x 600mm x 800mm

Camac crate
     5x Logic Shaped Outputs (CAMAC)
     2x CAMAC / VME converter
     1 LeCroy 622 Quad Logic (NIM)
     1 Ortec 566 TAC (NIM)
     1 Lecroy 222 dual GDG
     1 Ortec 459 bias supply

NIM crate
     1 BNC PB-5 digital pulse generator
     1 BNC PB-4 analog pulse generator
     1 Analog ratemeter 4678
     1 ECL-NIM-ECL EC 1601
     1 Silena Quad Bias Supply 7710
     2 LeCroy 419A Logic FI/FO

     
==BOX Q==  52kg - 600mm x 600mm x 800mm

Sun Microsystems Tower


==BOX R==  37kg - 600mm x 450mm x 700mm

Wheels for frame
Tools
Safety boots and helmets-
    -Daid
    -Toby
    -Mirco
    -Claudia


==BOX S==

2 S2 1000 um SSDs


==BOX T==

3 S2 75 um SSDs


==Box U==

1 green gremlin
2 pink unicorns


==Bundle 1==  16kg - 1600mm x 400mm x 150mm


==Bundle 2==  8kg - 700mm x 150mm x 150mm


==Bundle 3==  15kg - 1400mm x 300mm x 150mm


==Bundle 4==  12kg - 650mm x 1150mm x 100mm


==Bundle 5==  23kg = 2300mm x 150mm x 150mm


Number of Packages: 10 Boxes, 5 Bundles


NET WEIGHT: ~800kg

status of the setup - 07/04/2017

status of the setup - 21/04/2017

in_atmosphere.png : schematic for testing gas-cell in atmosphere

Feedthrough.png : feed through schematic for testing vacuum chamber and gas cell