1672. MCP file was  (recoils) was not closed when we refilled the Xrays and did the cable change of 90 and 145 xrays
These stored in lxg1299 local disk

We didmt see any effect on the lifetime if the target is switched on. It is because we use only hydrogen target (but why 
is.it so?)

Beam lifetime is estimated to be 11sec at least (hard to.see with the cursor the corrct values on the shottky monitor) 
but Yury says it is even 
~20sec. The particle njmbers are on the attached picture, however at 10Mev the cirrent measurement is not.really 
teustable (too low beam current)

This entry is the continuation of the cascade effects on the pg peak shape entry:

https://exp-astro.physik.uni-frankfurt.de:8080/E108/475

The main point is that having more cascade makes the impulse carried by one photon smaller --> recoil cone is
smaller --> pg peak gets more centered

When one wants to make an "all-inklusive" simulation the problem comes, that there are too many populated states
after CN* decay (many are just theoretical), also many cascades afterwards as well.
Instead, one can make a "statistical approach":
 1, take an average 1st populated state after the gamma emission of the CN*.
 2, take an average of the gamma energies after the p-capture. (it includes also the photons from the CM* to the
1st state after g emission with energy of [(E_CM - Q) - E_1st_state] --> should these be excluded from the avg.
gamma energy calculation?)
 3, the excited compound nucleus first decays to 1, then cascading down with the avg energy of 2,

    number_of_cascades = E_1st_state/E_avg_gamma. 

    For the 124Xe at 7AMeV using the TALYS code the above values are:
    E_1st_state = 6.74 MeV
    E_avg_gamma = 2.75 MeV
    number_of_cascades = 2.45

To reproduce the resulting avg. pg peak, I took a 2 and a 3 cascade simulations produced by MOCADI and mixed
them as 55% of the 2-cascade and 45% of the 3-cascade for this naiv, statistical model.
Then, to test the peakshape, I fit this mixed distribution to a part our measurement data at 7AMeV after a
sloppy Rutherford background removal (the background removal can be more improved, I used this as a quick method
for now). The calculated Chi^2/NDF ~ 3, which is not a super good value, but taking into account that this is a
strongly naiv model, and the background removal can be also improved, the chi^2/NDF value can be also
interpreted as promising.

The attached spectrum is for the 90 degree X-ray detector taken for about 3 hours with 118Te52+.
We see two peaks at ~29 keV (K-alpha) and 44 keV (K-REC).

The resolution is about 1.5 keV, and the signal-to-background ratio is also really bad.

The increase of background events at higher E might be induced by Compton scattering of a high E gamma ray from the BaF detectors, which are active and sit close by (not anymore).

This is the summary of all Si data collected at 6 MeV/u until run174 before the Alvarez problem.
We have roughly 50-60 counts in the peak region.
This data corresponds roughly to 36hours of beam, which means ~1.5 to 2 counts/hour.

The two attached plots show the collected Si data up to run0115.

Within this ~15h we have about ~70 counts in the peak region.

This translates to ~4.5 counts per hour.
And shall be compared to the 1 count/hour we had last year.

Run0114 was started after ESR optimization but immedieatly again stopped...

at 09:52:34 on 25.05.2021

from the SIS side they could optimize the intensity. we gained a factor ~3. Now the SIS intensity is at