Gustavo Gil Da Silveira

Former member
Member from February 2012 to March 2014
Current position: Professor
Research statement
Working on high-energy photon interactions, particularly studying the electroweak boson photoproduction in exclusive events at the LHC. This approach allows one to employ the calculation with no need of a parametrization for the elastic interaction.

Working on exclusive production at the LHC, especially in the analysis of the data from the CMS detector.
Research directions:
Phenomenology of elementary particles
Data analysis in HEP and GW experiments
Detector commissioning, operation and data processing
Research and development of new detectors

Experiments and collaborations:

Active projects
GasToF: ultra fast timing detector
Krzysztof Piotrzkowski

GasToF (Gas Time-of-Flight) detector is a Cherenkov detector developed for very precise (with <10 ps resolution) flight time measurements of very forward protons at the LHC. Such an excellent time resolution allows, using z-by-timing technique, for precise measurements of the event vertex z-coordinate and the background reduction. Such a detector is essential for selecting exclusive and semi-exclusive processes at high luminosity, and can also be applied for the timing and particle ID at future experiments.

Investigate new techniques for ToF-PET.

External collaborators: CMS PPS project, M. Albrow (Fermilab), C. Royon (Kansas), J. Varela (Lisbon), and E. Schnys (Photonis) and J. Howorth (Photek Ltd).
High energy photon-induced interactions
Krzysztof Piotrzkowski

High-energy photon-photon and photon-proton interactions at the LHC offer interesting possibilities for the study of the electroweak sector up to TeV scale and the search for processes beyond the Standard Model. After in-depth exploratory studies, first measurements of two-photon muon pair production were performed as well as first ever observation of W boson pairs produced by photon fusion. Now unique investigations of quartic couplings between photons and W and Z bosons are being pursued.

Surveying the scientific potential of the new e-ion collider at Brookhaven (EIC).

External collaborators: CMS FSQ analysis group, B. Surrow (Philadelphia) and the group of A. Szczurek (Krakow).

Non-active projects
Publications in CP3
All my publications on Inspire

Number of publications as CP3 member: 7 Download BibTeX

Last 5 publications


CP3-16-13: Evidence for exclusive gamma-gamma to W+ W- production and constraints on anomalous quartic gauge couplings at sqrt(s) = 7 and 8 TeV
Khachatryan, Vardan and others

[Abstract] [PDF] [Journal] [Dial]
Submitted to JHEP
Refereed paper. April 19.


CP3-15-34: Evidence for exclusive gamma-gamma to W+ W- production and constraints on Anomalous Quartic Gauge Couplings at sqrt-s = 8 TeV
CMS collaboration

[Full text]
Public experimental note. October 3.


CP3-14-62: Central $\mu^{+}\mu^{-}$ production via photon-photon fusion in proton-proton collisions with proton dissociation
Gustavo Gil da Silveira, Laurent Forthomme, Krzysztof Piotrzkowski, Wolfgang Sch\"afer, and Antoni Szczurek

[Abstract] [PDF] [Journal] [Dial]
26 pages, 40 figures, 2 tables, submitted to JHEP
Refereed paper. September 4.
CP3-14-34: Exclusive processes in pp collisions in CMS
da Silveira, Gustavo G.

[Abstract] [PDF]
7 pages, 6 figures, presented at the XXI International Workshop on Deep-Inelastic Scattering and Related Subjects, April 2013, Marseille, France
Contribution to proceedings. June 11.
CP3-14-33: Exclusive production of $W$ pairs in CMS
da Silveira, Gustavo G.

[Abstract] [PDF]
8 pages, 10 figures, 1 table, Proceedings of the 2nd International Conference on New Frontiers in Physics, Kolymbari, Crete, Greece, Aug. 28th -- Sept. 5th, 2013
Contribution to proceedings. June 11.

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