The future of particle physics

I review the prospects for future progress in accelerator-based particle physicsComment: Opening talk at the 10th Pisa meeting on advanced detectors, La Biodola, May 22-27 200

The saga of bottom production in proton-antiproton collisions

I review here the history of bottom quark cross section measurements and theoretical predictions. Starting form the early days of UA1, and going through the sequence of the large excesses reported during run 0 and I at the Tevatron by CDF and D0, I summarize how both data and theory have evolved in time, thanks to improved experimental techniques, more data, and improved control over the main ingredients of the theoretical calculations. I conclude with the discussion of the preliminary data from run II, which appear to finally give a satisfactory picture of the data vs theory comparison.Comment: 14 pages, Presented at the 2004 Hadron Collider Physics Workshop, East Lansing, MI, June 200

Phenomenology of Quarkonium Production in Hadronic Collisions

We review recent progress made in the theory of quarkonium production in hadronic collisions.Comment: 15 pages, Latex, 6 PS figures included via psfig. To appear in the Proceedings of the Xth Topical Workshop on Proton--Antiproton Collider Physics, Batavia, IL, USA, May 199

QCD Tests in Proton-Antiproton Collisions

We review the status of QCD tests in high energy p-pbar collisions. Contents: i) Introduction ii) QCD in Hadronic Collisions iii) Jet Production iv) Heavy Flavour Production v) W and Z Production vi) Direct Photons.Comment: 30 pages + 26 figs (available upon request), IFUP-TH 4/93, Fermilab-PUB-93/19-E, to appear in Annual Review of Nuclear and Particle Science, vol 4

Observables for possible QGP signatures in central pp collisions

Proton-proton (pp) data show collective effects, such as long-range azimuthal correlations and strangeness enhancement, which are similar to phenomenology observed in heavy ion collisions. Using simulations with and without explicit existing models of collective effects, we explore new ways to probe pp collisions at high multiplicity, in order to suggest measurements that could help identify the similarities and differences between large- and small-scale collective effects. In particular, we focus on the properties of jets produced in ultra-central pp collisions in association with a Z boson. We consider observables such as jet energy loss and jet shapes, which could point to the possible existence of an underlying quark-gluon plasma, or other new dynamical effects related to the presence of large hadronic densities.Comment: 32 pages, 20 figure

Comments on claimed risk from metastable black holes

In a recent note, arXiv:0808.1415, it was argued that a hypothetical metastable black hole scenario could pose collider risk not excluded by our previous study. We comment on inconsistency of this proposed scenario.Comment: 3 pages; comment on arXiv:0808.141

TASI Lectures on Future Colliders

These lectures review the main motivations for future high-energy colliders, focusing on the understanding of electroweak symmetry breaking and on the search for physics beyond the Standard Model. The open questions and the challenges are common to all future projects; for concreteness, I will use studies of the potential of $\rm e^+e^-$ and pp circular colliders to provide examples of the anticipated physics reach.Comment: 68 pages. Lectures delivered at the 2018 TASI schoo