User profiles for D. Hahn

David W. Hahn

- Verified email at arizona.edu - Cited by 10495

Daniel A Hahn

- Verified email at ufl.edu - Cited by 4591

Laser-induced breakdown spectroscopy (LIBS), part II: review of instrumental and methodological approaches to material analysis and applications to different fields

DW Hahn, N Omenetto - Applied spectroscopy, 2012 - journals.sagepub.com
d e 2 L e 4 = π d e 3 h s R d 4 Δ λ s Expression defining the volume of the emitting plasma
seen by the detector. T3.12 N seen = n T V seen = n T π d e 3 h s R d … , we obtain ε d = 3.1 × 10 …

Laser-induced breakdown spectroscopy (LIBS), part I: review of basic diagnostics and plasma–particle interactions: still-challenging issues within the analytical …

DW Hahn, N Omenetto - Applied spectroscopy, 2010 - opg.optica.org
… This is hardly satisfied at early delay times in a LIBS plasma, due to the high plasma free
electron gradients, as shown experimentally by Diwakar and Hahn using Thomson scattering.…

Energetics of insect diapause

DA Hahn, DL Denlinger - Annual review of entomology, 2011 - annualreviews.org
Managing metabolic resources is critical for insects during diapause when food sources are
limited or unavailable. Insects accumulate reserves prior to diapause, and metabolic …

Measurement of the positive muon anomalous magnetic moment to 0.46 ppm

…, D Hahn, T Halewood-Leagas, D Hampai… - Physical Review Letters, 2021 - APS
We present the first results of the Fermilab National Accelerator Laboratory (FNAL) Muon g−
2 Experiment for the positive muon magnetic anomaly a μ≡(g μ− 2)/2. The anomaly is …

Observation of keyhole-mode laser melting in laser powder-bed fusion additive manufacturing

…, VM Castillo, GF Gallegos, JW Gibbs, DE Hahn… - Journal of Materials …, 2014 - Elsevier
… This energy is distributed in the volume π σ 2 D τ . Absorbed energy density is A P τ / π σ 2
D τ . Dividing this expression by the enthalpy at melting, h s … d = A P 2 π κ T b ln σ + D / u σ . …

[BOOK][B] Heat conduction

DW Hahn, MN Özisik - 2012 - books.google.com
… The heat rate is calculated by multiplying the heat flux by the total cross-sectional area
through which the heat flows for a 1-D problem or by integrating over the area of flow for a …

Association of Chlamydia pneumoniae (strain TWAR) infection with wheezing, asthmatic bronchitis, and adult-onset asthma

DL Hahn, RW Dodge, R Golubjatnikov - Jama, 1991 - jamanetwork.com
Objective. —To study the clinical characteristics of respiratory tract illness caused
byChlamydia pneumoniae. Design. —Prospective clinical, bacteriologic, and serologic study. …

Myocardial phosphocreatine-to-ATP ratio is a predictor of mortality in patients with dilated cardiomyopathy

…, JB Newell, W Peters, T Pabst, G Ertl, D Hahn… - Circulation, 1997 - Am Heart Assoc
Background In patients with heart failure due to dilated cardiomyopathy, cardiac energy
metabolism is impaired, as indicated by a reduction of the myocardial phosphocreatine-to-ATP …

[HTML][HTML] The role of mountains in the south Asian monsoon circulation

DG Hahn, S Manabe - Journal of the Atmospheric Sciences, 1975 - journals.ametsoc.org
An 11–level numerical model of the atmospheric circulation which has a prescribed seasonal
variation of insulation and sea surface temperatures is integrated with respect to time for …

An apparent relationship between Eurasian snow cover and Indian monsoon rainfall

DG Hahn, J Shukla - Journal of the Atmospheric Sciences, 1976 - journals.ametsoc.org
A short record of year-to-year variations of summer monsoon rainfall over India is compared
with that of winter snow cover over Eurasia as derived from satellite data. An inverse …