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For on physics perspectives for Alice and
run for

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Can you hear me?

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Yes, we can hear you. Well,

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okay, perfect. Just a moment. No problem.
Can you see the slides?

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Yes. Okay. Thank you very much. Thank you
very much. And good afternoon, everybody.

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It's a pleasure for me to be told on
behalf of the collaboration on the physics

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perfect perspectives for IBC. So, the
first say the primary physics programmer

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for the release experimenter is the study
of the properties of the colada confined

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medium called corpulent plasma, which is
created the neutral atavistic API on

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collisions such as C which presents a very
high initial energy density, and after a

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pre equilibrium phaser expands either
dynamically like hundred percent A liquid

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before other than icing in almost
thermography do. So, one of the key

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observables for these studies are the flip
of particles, since a flavors are created

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in short timescales compared to the
formation time, and then they experience

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the food system evolution and we can use
them as probes of the plasma. So, the

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Alice collaboration is preparing a wider
upgrade programs with the serum three and

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four, with the aim of increasing the
collected lead luminosity by more than one

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order of magnitude.

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And for this, the upgrades of the LDC
needed for this LED luminosity, we will

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already be completing the long shutdown to
suffer Aleksey factory. The main physics

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motivations for this upgrade, so include
the study of the trauma and introduction

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and under detection into quantum plasma,
the measurement of Konya down to PT zero

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in order to study that melting and
regeneration in the in the courtroom

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plasma thermal radiation and the possible
current symmetry separation at the phase

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transition and the precise measurements of
lighter hyper nuclei and the searches for

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more exotic nuclei such as chump icon. So,
the main requirements for this physics

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program are the increasing increase the
result writer to get with a reduction of

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the data size for the storage, the
improvement of the talking and the texting

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capabilities are low transfer mentum and
at the same time the preservation of

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particle identification capabilities of
the experiment. So the current upgrades

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that we are

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focusing on to include the the
substitution of the readout chambers for

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the time protection chamba in order to
cope with the higher event rate expected

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The replacement of the inner silicon
tracker of Elissa Dena tracking system

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with a new detector based on seven pixel
layers of mono mono etica active pixel

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sensors, which will also be used for a new
forward tracker is empty. That would be

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used to match the tracks measured in the
forward muon spectrometer with the central

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barrier of Elisa and finally had the
introduction of new detector forward

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detector for the trigger called the fast
interaction trigger for which we have two

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pulses. If you are interested, I invite
you to look at that. Together with these

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upgrades, we will also have to upgrade the
readout electronics or several detectors

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to cope with the with the iron production
right expected. If you missed the talk by

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kotra, I suggest you to look at the slides
that were uploaded yesterday. Took At the

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same time, we are preparing new upgrades
for the LSC ram four, which includes the

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introduction of our forward calorimeter
called photon and the further upgrade of

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the inner tracking system based on the
replacement of the three innermost layers.

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So, I will start with the discussion of
the focal calorimeter which will include

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an electro magnetic high granularity
silicon tungsten sampling Corona meter for

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the measurement of direct protons and the
zero mass also, and another ronica

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sampling kilometer for photon isolations
and jets. So, the main goal for this

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detector will be to set constraints on the
nuclear PDFs at smaller transfer mentum.

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And in particular to do on PDFs.

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The grown PDFs are, let's say not very
well constrained also for the proton in

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the low X ray drawn below 10 to the minus
four.

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And in particular,

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the measurement from measurements from
deep in elastic scattering indicates that

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the ground density increases rapidly at
low x and the digital output and BHK and

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equation so, predictor, I've had the
growth at lower x. So we can ask ourself,

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if we should expect an infinite growth or
a mechanism to tame the blue one subtle

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axes such as doing fusion or doing
subtraction.

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In fact,

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the classical way of studying PDFs, the
Gnostic scattering experiments, which

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however, are not sensitive to the dual
PDFs are at the leading order, while the

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measurement of isolated photons are
thorough there, it is sensitive about the

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leaky gut. And in particular, it is a very
large contribution from Compton

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scatterings So in this plot, you can see
basically, the region that will be covered

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in the Q and x by different experiments,
including Alexey but not not only at also

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electron Iam Collider. So, recap
experiments and then and then the next one

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so abcb in particular, and this new
detector for call that as you can see we'd

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have the lowest X ray feature of the other
experiments. In slide number eight, you

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can see the expected performance of for
this isolated photon measurement. And in

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particular, you can see the expected
performance for the nuclear modification

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factor which is a key observable in API on
collisions. And it's defined as the ratio

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between the piti differential it's
measured in ATM conditions in this case p

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delta Those are measured in equaliser
scaled by the average number of nuclear,

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nuclear and binary drops. So the expected
precision for this measurement will be

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about 20% above 60 v over c. And if you
look at it compared to the current

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parameterization of the blue and
nonnuclear PDFs from EP PPS 16. You will

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see you can see and appreciate the
significant improvement to the tool set to

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constrain those nuclear PDFs. This can be
seen even better in this plot, where you

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can see basically, the gray region which
represents the current knowledge of the

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nuclear PDFs from the opinion are six
scatterings which are basically

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unconstrained for 10 to the minus two of
the exit. Even if we currently have some

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constraints, which are provided by hf
measurements are followed the PDK by

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Edison receiving However, if you will
compare this fence with the one expected

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for electron Iam Collider in green and the
one for Can you you can appreciate how

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difficult would be crucial to set
constraints on these nuclear PDFs at very

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low X up to I would say 10 to the minus
510 to the minus six.

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I will now move to the second

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experiment for the LSU Drum Corps, which
will be the replacement of the three in

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three Nirmal slayers of the IPS and for
which are very new detector technology

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will be used in particular had this
technology and will will allow us to have

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three to the cylindrical pixel layer So,
based on this ultra thin Weber's wafer

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size the covert sensor

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for which you can ever let's see on

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a feeling good Looking at the picture in
the typewriter, which basically will allow

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us to reduce drastically the material
budget, in particular getting rid of

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external connections or cooling. And you
can see quantitatively in this table, how

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the material budget will be reduced. And
if we compared to the IQs 190s to the

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percentage of radiation length per layer,
we'd go from one point 14% to zero 38 in

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the first upgrade of the APS up to zero
down to zero dot 05 percent for the ITC.

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And, but this will not be the only key
feature of this detector. We will also go

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closer to the interaction point down to 18
millimeters and we will reduce the other

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the pixel sizes and the current proposal
is a 1515 Don't micrometres. So this will

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of course greatly improve our pointing
resolution by a factor of two compared to

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the first upgrade of the IPS in the foot
PT Ranger, but also the tracking

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efficiency that will increase by up to 1.2
to two compared to the inner tracking

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system to in the low PT region. So, below
under the V oversee several measurements

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will be greater and here I have a non
exhaustive list of data, which included

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the low mass di leptons are the
measurement of beauty strange medicines

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and beauty baryon. So, the champ strange
and strange variants production and the

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searches for light charm I've been apply
so I don't have time to discuss all of

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them. So I just chose some of these that I
will show you in the next face. I was

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taught from the law master leptons, which
is a Particularly particularly interesting

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in our field, because the slope of the
entire mass distribution at intermediate

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masses, so between say one and two is
related to the cutiepie temperature. So,

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the precise measurement will be very
important to define the TDP temperature

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and the IQ three will will greatly help in
this by providing a much better chance of

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rejection and also much better rejection
of the contribution from gamma

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conversions. The reduction of the
systematic uncertainty that we foresee

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with the ITC is up to up to two and the
statistical uncertainties are four factor

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three and you can see in the bottom right
plot, how this will impact in our

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determination of the PGP attack. The
second topic that I would like to discuss

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is the study of the beautiful colorization
mechanism in the courtroom plasma and in

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particular, I will start I will start to
discuss the recent nasm doctrine, which is

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expected to be announced if the beaut
quarks are denied via recombination in the

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plasma due to the analysis strange core
production in Indonesia itself. So, in the

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left plot, you can see the improvement in
the statistical significance that we

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expect in the measurement of the P sub s
Mason production with the ITC compared to

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the IPS tool, and on the writer you can
see the projected nuclear modification

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factor which as you can see, we provide
the basically, the ITC will provide us

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access to the measurement down to very,
very low PT for for idi conditions

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and the exclusive

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Trouble is the only way to measure the
beauty of strange production. In the in

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the courtroom plasma, we can also explore
to nonprofit service which largely come

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from be subsidized loans. So even if it's
not a direct measurement, it's sensitive

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to the service production and it has the
advantage of having legit statistical

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precision that exclusive b sub s
reconstruction. So, on the right again you

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can see the projected the

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expanded the

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Thank you, nuclear modification factor for
impromptu discipleship. And as you can

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see, we will have the sensitivity to
distinguish the two scenarios. So the one

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of the non prompt to the suppressor, which
comes from the B sub SDKs and the non prom

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to the zeros which means that comes from
non central demand zones and are not

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sensitive to destruction. Thanks to the
larger statistical procedures of the non

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property service, we will be able to To
look at more differential observables as

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the azimuthal anisotropy which is
connected to the participation of beauty

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quarks in the collective motion of the
system, and its possible thermalization in

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the problem plasma, so it gives us more
information about the beauty called

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diffusion coefficient in the queue GP. And
as you can see in this direction, the IDS

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three will give us enough precision to
distinguish between the expected as the

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motor isotropy for prompter and prompter D
sub s medicals.

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Finally, add

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beauty quantization can also be studied
via the production of beauty baryons. So,

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in round two Ellis already performed
several measurements of charm barium

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production and observed and mass
production compared to classy minds,

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collisions, already MPP collisions but
even even larger Let that conditions. So,

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the idea is when the ITC will provide us
the possibility to study also the beauty

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barium productions and the ITC will will
give an improvement of statistical

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significance of cofactor 2.5 with respect
to the idea is to the last topic that I

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want to discuss is expected performance
for the searches of term hyper nuclei

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which were predicted already in the 70s
and never observed. So, the lighter

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possible state is this bound state of
lambda C and the neutron which is called

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the neutron for which the ITC will be
crucial, since the expected decay length

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of the CDU term state is approximately the
same of the one of the lambda C which is

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around 60 microns. So, in this plot, you
can see basically the comparison between

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the impact parameters of neutrons from a
CD case which will be our signal and the

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primary neutrons which will compose the
largest contribution to the to the

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background. So, this brings me to my
summary at the Alice experiment is

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undergoing a major upgrade already long
shutdown to in view of the list here on

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three butter, we are preparing new
upgrades for the receipt on car which

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includes forward kilometer bespoke Allah
mendy for the to set constraints on them

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clarified yet so, in the low x region and
these innovative truly cylinder calcium

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detector for the inner layers of the IPS
which will be which will be based on new

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13 wave size sensor which will improve the
doctor the measurements of low mass

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electrons, hf particles and the searches
of exotics. And thank you for your

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attention.

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Thank you for Talk

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alright.

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Other Any questions?

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Does the raise hand function actually
work?

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Ah I see I see a raised hand on the
panelists Nicola please go ahead you can

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unmute yourself, can you hear me? Yes,

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yes, I was interested in the in the
measurements that you showed to the

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announcement of lambda c over d zero. So,

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this is

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measured only in this

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lead lead or it is also expected in other
collisions. So, in this plot, you can see

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basically the measurements in PP
collisions which had the green points and

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then in lead lead collisions, where you
have basically two centrality classes so

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in the ion collisions We divide the events
in society classes, and the red ones

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corresponds to the most central
conditions. And so as you can see the the

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announcement that we measure is already
there in the teepee conditions. And indeed

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there is a tension with the with the
measurement of ABCD.

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Because also for ECB, our

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announcement is measured, but it's
quantitatively smaller. So this is a is an

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open question at the moment, which could
point to rapidity dependence, but it's not

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not solved yet. Thank you.

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There are more questions.

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I don't see any more All right now,

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I think we can also just

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open it up for questions with respect to
all the talks, because we do still have

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about 10 minutes left for discussion if
needed. So, if there any more questions

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either on for Rich's talk or on any of the
other talks or somewhat related to the

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overall picture that was shown for the for
NHD experiments, some respect to their

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next upgrades

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Please go ahead.

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Okay, if not, I do have a question for
ability which is more hardware related but

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So I'm quite impressed by this ultra thin
wafer. So does it does it also contain the

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reader electronics in addition to the to
the center? So is it just the center?

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Yeah, so I mean, I didn't spend much on on
the other, but the sensor will be one

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monolithic active pixel sensors. So the
yard readout from the front end result

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would be in the in the chips themselves.
And these of course, will will lead to

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decrease even added the material budget.

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Absolutely.

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But unfortunate that we might have too
much radiation

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to the house for the detectors. Yeah, of
course, he nearly said the radiation is

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different than Atlas and CMS but yeah.

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And while you since you asked, I didn't
have time, but I also prepare the slider

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Next, the round five In preparation, where
this technology could be exploited even

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more, and we are thinking about this old
silicon detector, which, which of course

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in the inner layers will exploit to these
same sources. And this is also in my

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opinion very interesting, we will get rid
of well, we will remove, of course, to the

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PC to go faster in the result of events.
And, but, but keeping the particle

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identification with with time of flight
layers, and of course, if you're

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interested, we had a talk yesterday by
Roberto so you can have a look at the

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slides.

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That's indeed an interesting concept.

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Are there any more questions?

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I don't see any raised hands.

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Everybody wants coffee. I hope you all got
a coffee machine at home.

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Okay, in case there are no more questions

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I would just like to remind you all of the
coffee chat room that are failing to his

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slides in case you have more questions and
dialogues. But maybe also the other

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speakers from the session want to join
there and can also answer more questions

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in case they come up over coffee. And
other than that, I think