9.0.2

Chemical Dynamics:

Ablation Processes, Aerosol Chemistry, Biomolecule Mass Spectrometry, Cluster Science, Flame Studies, Helium Droplets, Nanoparticle Imaging, Photochemistry, Photoelectron and Photoionization Imaging, Time Resolved Reaction Kinetics, VUV Scattering

Operational	Now
Source characteristics	10-cm-period undulator (U10) (fundamental)
Energy range	5-30 eV
Undulator Beam	White beam (straight undulator beam)
Calculated flux (1.9 GeV, 400 mA)	10¹⁶ photons/s/2.5%BW
Spot size at sample	170 (h) x 50 (v) µm
Monochromator #1	3-m Off-plane Eagle
Calculated flux (1.9 GeV, 400 mA)	10¹⁴ photons/s/0.1%BW
Spot size at sample	400 (h) x 350 (v) µm
Monochromator #2	3-m Off-plane Eagle
Calculated flux (1.9 GeV, 400 mA)	10¹⁴ photons/s/0.1%BW
Spot size at sample	560 (h) x 350 (v) µm
Monochromator #3	6.65-m Off-plane Eagle (Retired)
Calculated flux (1.9 GeV, 400 mA)	10¹¹ photons/s/0.01%BW
Spot size at sample	360 (h) x 240 (v) µm
Endstations	Crossed molecular beam Molecular-beam photoelectron/photoion spectroscopy Molecular-beam photoelectron/photoion imaging and spectroscopy Flame chamber Ablation chamber Aerosol chamber Kinetics machine
Local contact	Name: Musa Ahmed Phone: (510) 486-6355 Fax: (510) 486-5311 Email: mahmed@lbl.gov
Beamline Director	Name: Stephen Leone Affiliation: Univ. of California, Berkeley Phone: (510) 486-4754 Fax: (510) 495-2690 Email: srleone@lbl.gov
Beamline phone number	(510) 495-2092

Endstation	Crossed molecular beam (Retired)
Characteristics	Designed for photofragmentation spectroscopy and reactive scattering; two rotatable molecular-beam sources
Detectors	Time-of-flight spectroscopy by quadrupole mass analyzer
Samples
Format	Gas sample
Preparation	Molecular beam, seeded in rare gas
Sample environment	Vacuum ~10^-6Torr
Scientific applications	Fundamental reaction dynamics, photophysics
Local contact/spokesperson	Name: Musa Ahmed Affiliation: Chemical Sciences Division, Berkeley Lab Phone: (510) 486-6355 Fax: (510) 486-5311 Email: mahmed@lbl.gov

Endstation	Molecular-beam photoelectron/photoion spectroscopy (Retired)
Characteristics	Multipurpose design for high-resolution photoelectron spectroscopy and photoelectron/photoion coincidence experiments
Detectors	Time-of-flight and quadrupole ion and pulsed-field ionization electron detector
Samples
Format	Gas sample
Preparation	Molecular beam, seeded in rare gas
Sample environment	Vacuum ~10^-6 Torr
Scientific applications	High-resolution photoionization spectroscopy, state-selected ion-molecule reactions
Local contact	Name: Musa Ahmed Phone: (510) 486-6355 Fax: (510) 486-5311 Email: mahmed@lbl.gov
Spokesperson	Name: Cheuk Ng Affiliation: Univ. of California, Davis Phone: (530) 754-9645 Fax: (530) 752-8995 Email: cyng@chem.ucdavis.edu

Endstation	Molecular-beam photoelectron/photoion imaging and spectroscopy
Characteristics	Multipurpose design for photoion and photoelectron imaging and photoelectron/photoion coincidence experiments
Detectors	Time-of-flight 2-D position-sensitive detectors
Samples
Format	Gas sample
Preparation	Molecular beam, seeded in rare gas Laser ablation source Laser photolysis source Plasma discharge Cryogenic nozzle
Sample environment	Vacuum ~10^-5 Torr
Scientific applications	Spectroscopy and dynamics of clusters, radicals, metastable, and other novel species; fundamental understanding of excitation and relaxation processes in finite-sized many-body systems
Local contact	Name: Musa Ahmed Phone: (510) 486-6355 Fax: (510) 486-5311 Email: mahmed@lbl.gov

Endstation	Flame chamber
Characteristics	Low-pressure laminar-flow burner coupled to differentially pumped source and photoionization chamber
Detectors	Time-of-flight mass spectrometer
Samples
Format	Gas sample or liquid fuels
Preparation	Molecular beam expansion subsequent to burning in low-pressure flame
Sample environment	Vacuum ~10^-4 Torr
Scientific applications	Detailed studies of hydrocarbon- and nitrogen-containing flames
Local contact	Name: Musa Ahmed Phone: (510) 486-6355 Fax: (510) 486-5311 Email: mahmed@lbl.gov
Spokesperson	Name: Terry Cool Affiliation: Cornell University Phone: (607) 255-4191 Fax: (607) 255-7658 Email: tac13@cornell.edu

Endstation	Ablation chamber
Characteristics	Designed for laser ablation of solids; easily adaptable for other source configurations
Detectors	Time-of-flight and quadrupole mass spectrometer
Samples
Format	Solid or gas
Preparation	Molecular beam, seeded in rare gas
Sample environment	Vacuum ~10^-6 Torr
Scientific applications	Cluster generation and characterization, photoionization dynamics of species of combustion and interstellar importance, biomolecule detection and ionization
Local contact/spokesperson	Name: Musa Ahmed Affiliation: Chemical Sciences Division, Berkeley Lab Phone: (510) 486-6355 Fax: (510) 486-5311 Email: mahmed@lbl.gov

Endstation	Aerosol and Free Nanoparticle chamber
Characteristics	Designed for the study of sub-micron aerosols and other nanoparticles
Detectors	Twin laser and VUV light scattering, time-of-flight and quadrupole mass spectrometer and photoelectron imaging
Samples
Format	Solid, liquid, or gas
Preparation	Molecular beam
Sample environment	Vacuum ~10^-6 Torr
Scientific applications	Machine for the detection and ionization of sub-micron aerosol particles and the substrate free study of all nanoparticles
Local contact/spokesperson	Name: Musa Ahmed Affiliation: Chemical Sciences Division, Berkeley Lab Phone: (510) 486-6355 Fax: (510) 486-5311 Email: mahmed@lbl.go

Endstation	Kinetics chamber
Characteristics	Time resolved kinetics
Detectors	Combination multiplexing electrostatic and magnetic mass spectrometer
Samples
Format	Gas
Preparation	Low pressure flow tube
Sample environment	Vacuum ~10 Torr
Scientific applications	Novel machine for the time resolved kinetics
Local contact/spokesperson	Name: Musa Ahmed Affiliation: Chemical Sciences Division, Berkeley Lab Phone: (510) 486-6355 Fax: (510) 486-5311 Email: mahmed@lbl.gov