Photofragment spectroscopy of ozone by Ball, S, Hancock, G, DeMoira, J, Sadowski, C, Winterbottom, F

Photochemistry of ozone: Surprises and recent lessons by Ravishankara, A, Hancock, G, Kawasaki, M, Matsumi, Y

Spin-forbidden dissociation of ozone in the Huggins bands by Denzer, W, Hancock, G, de Moira, J, Tyley, P

“…Dissociation of ozone close to room temperature in the Huggins bands between 310 and 328 nm has been studied by time-of-flight spectroscopy of the resultant O(1D) and O2(a 1Δg) fragments. …”

Product channels in the near-UV photodissociation of ozone by Ball, S, Hancock, G, Winterbottom, F

“…For wavelengths ≥320 nm the quantum yield is found to be approximately constant at the two temperatures, and suggests that spin-forbidden dissociation of ozone is taking place as the dominant process in this long-wavelength region. …”

Photodissociation of atmospherically important species by Tyley, P

Subjects:

The photodissociation dynamics of ozone at 193 nm: An O(¹D2) angular momentum polarization study by Brouard, M, Cireasa, R, Clark, A, Groenenboom, G, Hancock, G, Horrocks, S, Quadrini, F, Ritchie, G, Vallance, C

“…Polarized laser photolysis, coupled with resonantly enhanced multiphoton ionization detection of O(¹D2) and velocity-map ion imaging, has been used to investigate the photodissociation dynamics of ozone at 193 nm. The use of multiple pump and probe laser polarization geometries and probe transitions has enabled a comprehensive characterization of the angular momentum polarization of the O(¹D2) photofragments, in addition to providing high-resolution information about their speed and angular distributions. …”

Direct observation of spin-forbidden formation of O(D-1) in the near-UV photolysis of ozone by Denzer, W, Hancock, G, de Moira, J, Tyley, P

“…The implications for the dissociation of tropospheric ozone are briefly discussed.…”

Vector correlations in the O(aΔ, ν = 1) fragment formed in the 265 nm photodissociation of ozone by Hancock, G, Ritchie, G, Sharples, T

“…Angular momentum polarisation and translational anisotropy have been measured for the J = 17 and 18 rotational levels in the O (a Δ, ν = 1) fragment formed from the photodissociation of ozone at 265 nm. The results show similarities to those previously measured for the most populated vibrational level, ν = 0, produced from photolysis in the Hartley band. …”

The photodissociation dynamics of ozone at 193 nm: an O(1D2) angular momentum polarization study. by Brouard, M, Cireasa, R, Clark, A, Groenenboom, G, Hancock, G, Horrocks, S, Quadrini, F, Ritchie, G, Vallance, C

“…Polarized laser photolysis, coupled with resonantly enhanced multiphoton ionization detection of O(1D2) and velocity-map ion imaging, has been used to investigate the photodissociation dynamics of ozone at 193 nm. The use of multiple pump and probe laser polarization geometries and probe transitions has enabled a comprehensive characterization of the angular momentum polarization of the O(1D2) photofragments, in addition to providing high-resolution information about their speed and angular distributions. …”

Quantum yields for production of O(1D) in the ultraviolet photolysis of ozone: Recommendation based on evaluation of laboratory data by Matsumi, Y, Comes, F, Hancock, G, Hofzumahaus, A, Hynes, A, Kawasaki, M, Ravishankara, A

“…The quantum yield for O(1D) production in the photolysis of ozone in the ultraviolet region as a function of wavelength and temperature is a key input for modeling calculations in the atmospheric chemistry. …”

Quantum yields for production of O(D-1) in the ultraviolet photolysis of ozone: Recommendation based on evaluation of laboratory data by Matsumi, Y, Comes, F, Hancock, G, Hofzumahaus, A, Hynes, A, Kawasaki, M, Ravishankara, A

THE RELATIVE QUANTUM YIELDS OF O-2(A(1)DELTA(G)) FROM THE PHOTOLYSIS OF OZONE AT 227K by Ball, S, Hancock, G

A direct measurement of the O(D-1) quantum yields from the photodissociation of ozone between 300 and 328 nm by Ball, S, Hancock, G, Martin, SE, deMoira, J

“…The relative quantum yields of O(1D) produced in the photolysis of ozone at 298 K between 300 and 328 nm have been measured directly by resonance-enhanced multiple photon ionisation of the fragment. …”

Vector correlations in the O-2(a(g)(1), v=1) fragment formed in the 265 nm photodissociation of ozone by Hancock, G, Ritchie, G, Sharples, T

“…Angular momentum polarisation and translational anisotropy have been measured for the J = 17 and 18 rotational levels in the O(aΔ, v = 1) fragment formed from the photodissociation of ozone at 265 nm. The results show similarities to those previously measured for the most populated vibrational level, v = 0, produced from photolysis in the Hartley band. …”

TIME-OF-FLIGHT MEASUREMENTS OF THE KINETIC ENERGIES OF THE O-2(A(1)DELTA(G)) FRAGMENT FROM THE PHOTOLYSIS OF OZONE BETWEEN 287 AND 331 NM by Ball, S, Hancock, G, Demoira, J, Sadowski, C, Winterbottom, F

“…The kinetic energies of the O2(a 1Δg) fragment of the photolysis of ozone at 14 wavelengths between 287.57 and 331.52 nm have been measured by time-of-flight spectroscopy. …”

THE RELATIVE QUANTUM YIELDS OF O-2(A(1)DELTA(G)) FROM THE PHOTOLYSIS OF OZONE IN THE WAVELENGTH RANGE 270NM-LESS-THAN-OR-EQUAL-TO-LAMBDA-LESS-THAN-OR-EQUAL-TO-329NM by Ball, S, Hancock, G, Murphy, I, Rayner, S

The near-uv photolysis of ozone: quantum yields of O(D-1) between 305 and 329 nm at temperatures from 227-298 K, and the room temperature quantum yield of O(P-3(2)) between 303 and 310 nm, measured by resonance enhanced multiphoton ionisation by Hancock, G, Tyley, P

“…Quantum yields Φ have been measured for the O(1D) fragment from the photolysis of ozone between 305 and 329 nm at temperatures of 298, 273, 247 and 227 K. …”