Physics

Deutsche Welle profile while I was a researcher in Munich:

How did the universe come into being? How did we end up here? This week in our series 'Brilliant Minds', a Canadian physicist wrestles with the big questions.

Video while I was a professor in Barcelona, promoting a new physics degree program.

 

Selected Publications

Direct measurement of resonances in 7Be(a,g)11C relevant to nu-p-process nucleosynthesis (2022).

First inverse kinematics measurement of resonances in 7Be(a,g)11C relevant to neutrino-driven-wind nucleosynthesis using DRAGON (2022).

The (6+) isomer in 102Sn revisited: neutron and proton effective charges close to the double shell closure (2021).

New experimental 23Na(a,p)26Mg reaction rate for massive star and type Ia supernova models (2021).

Sub-threshold states in 19Ne relevant to 18F(p,a)15O (2021).

First measurement of 30S+a resonant elastic scattering for the 30S(a,p) reaction rate (2018).

Thermonuclear 46Cr(p,g)47Mn rate in type I X-ray bursts (2017).

First measurement of the 34S(p,g)35Cl reaction rate through indirect methods for presolar nova grains (2017).

Non-extensive statistics to the cosmological lithium problem (2017).

Reaction rates of 64Ge(p,g)65As and 65As(p,g)66Se and the extent of nucleosynthesis in type I X-ray bursts (2016).

Toward concordance of Ex and J-Pi values for proton-unbound 31S states (2016).

Spectroscopy of 19Ne for the thermonuclear 15O(a,g)19Ne and 18F(p,a)15O reaction rates (2015).

Discovery of 34g,mCl(p,g)35Ar resonances activated at classical nova temperatures (2015).

Classical novae and type I X-ray bursts: challenges for the 21st century (2014).

Isotopic 32S/33S ratio as a diagnostic of presolar grains from novae (2014).

Strength of the ER=127 keV, 26Al(p,g)27Si resonance (2014).

Examination of the role of the 14O(a,p)17F reaction rate in type I X-ray bursts (2014).

Thermonuclear 42Ti(p,g)43V rate in type I X-ray bursts (2014).

Investigation of the thermonuclear 18Ne(a,p)21Na reaction rate via resonant elastic scattering of 21Na+p (2014).

Nucleosynthesis in type I X-ray bursts (2013).

Search for new resonant states in 10C and 11C and their impact on the cosmological lithium problem (2013).

Evidence for the existence of the astrophysically important 6.40-MeV state of 31S (2013).

Spectroscopic factor of the 1+, 25Al(p,g)26Si resonance at Ex= 5.68 MeV (2013).

Constraining nova observables: direct measurements of resonance strengths in 33S(p,g)34Cl (2013).

The effects of variations in nuclear interactions on nucleosynthesis in thermonuclear supernovae (2013).

The 18Ne(a,p)21Na breakout reaction in x-ray bursts: experimental determination of spin-parities for alpha resonances in 22Mg via resonant elastic scattering of 21Na+p (2013).

Is gamma-ray emission from novae affected by interference effects in the 18F(p,a)15O reaction? (2013).

Superallowed Gamow-Teller decay of the doubly-magic nucleus 100Sn (2012).

Constraints on the mass and radius of the accreting neutron star in the Rapid Burster (2012).

Production of 26Al in hydrogen-burning environments: spectroscopic properties of states in 27Si (2011).

Mass measurements of isotopes of Nb, Mo, Tc, Ru, and Rh along the nu-p and rp-process paths using the Canadian Penning trap mass spectrometer (2011).

Improving the 30P(p,g)31S rate in oxygen-neon novae: constraints on J-Pi values for proton-threshold states in 31S (2011).

Branches of 33S(p,g)34Cl at oxygen-neon nova temperatures (2011).

Properties of 20Na, 24Al, 28P, 32Cl, and 36K for studies of explosive hydrogen burning (2010).

Positive parity states in 208Pb excited by the proton decay of the isobaric analog intruder resonance j15/2 in 209Bi (2010).

Towards precision QEC values for the superallowed decays of T=2 nuclides: the masses of 20Na, 24Al, 28P and 32Cl (2010).

Hydrodynamic models of type I X-ray bursts: metallicity effects (2010).

Toward an experimentally determined 26mAl(p,g)27Si reaction rate in ONe novae (2009).

New 34Cl proton-threshold states and the thermonuclear 33S(p,g)34Cl rate in ONe novae (2009).

The thermonuclear 30S(p,g)31Cl reaction in type I X-ray bursts (2009).

Measurements of 31S energy levels and reevaluation of the thermonuclear resonant 30P(p,g)31S reaction rate (2009).

The impact of uncertainties in reaction Q-values on nucleosynthesis in type I X-ray bursts (2009).

Determination of the proton separation energy of 93Rh from mass measurements (2008).

The effects of variations in nuclear processes on type I X-ray burst nucleosynthesis (2008).

Nuclear structure relevant to neutrinoless double beta decay: 76Ge and 76Se (2008).

High-j single particle neutron states outside the N=82 core (2008).

Measurement of 23Mg(p,g)24Al resonance energies (2007).

New 30P(p,g)31S resonances and nucleosynthesis in oxygen-neon novae (2007).

Experimental evidence of a natural parity state in 26Mg and its impact on the production of neutrons for the s-process (2007).

Pair correlations in nuclei involved in neutrinoless double beta decay: 76Ge and 76Se (2007).

Measurement of the ECM = 184 keV resonance strength in the 26gAl(p,g)27Si reaction (2006).

Mass measurements of 22Mg and 26Si via the 24Mg(p,t)22Mg and 28Si(p,t)26Si reactions (2005).

Is the nuclear spin-orbit interaction changing with neutron excess? (2004).

Particle decay branching ratios for states of astrophysical importance in 19Ne (2004).

Scattering and diffraction in magnetospheres of fast pulsars (2000).