I have explored a google-search for days but I could not find a list of stantard outcomes of p-p collisions: they just say there are tens up to hundreds particles.
The only "standard" outcome is that depending on the energy of the incoming protons, at leas two baryons ( neutrons or protons) will come out, and the total charge of all particles should be two. From then on one has to study multiplicity distributions for charged particles at each energy studied and there are a lot of publications. This article has a review for charged particle multiplicities:
This article summarizes and critically reviews measurements of charged-particle multiplicity distributions and pseudorapidity densities in p+p(pbar) collisions between sqrt(s) = 23.6 GeV and sqrt(s) = 1.8 TeV. Related theoretical concepts are briefly introduced. Moments of multiplicity distributions are presented as a function of sqrt(s). Feynman scaling, KNO scaling, as well as the description of multiplicity distributions with a single negative binomial distribution and with combinations of two or more negative binomial distributions are discussed.
It needs a lot of interest and background in analysing data to be understood.
Can you say (or give a link) what is the lowest number of particles and what they are? Does that occur at lower energies?
Always the minimum is two, for all energies, called elastic proton proton scattering.Example for high energy and low energy. From then on one has individual channels . The multiplicity distributions give the probability of generating a specific number of charged particles when a proton hits a proton at a specific energy.
In particular , I'd like to know if there are negative charges (electrons, muons negative pions...) among the shattered particle and what is the greatest number of such charges that can be found after a collision.
There are charged pions and (kaons which decay into pions) which will decay to muons ( mostly) and electrons and more exotic resonances which will also decay into muons and electrons. A great multiplicity of channels that has to be studied and modeled individually. Of course conservation of charge will be observed, the sum being +2.