Ugo Fano

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Ugo Fano is affiliated with the following schools: University of Chicago, Sapienza University of Rome, University of Turin

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Ugo Fano

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Why Is Ugo Fano Influential?

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According to Wikipedia, Ugo Fano was an Italian American physicist, notable for contributions to theoretical physics. Biography Ugo Fano was born into a wealthy Jewish family in Turin, Italy. His father was Gino Fano, a professor of mathematics.

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Ugo Fano's Published Works

Number of citations in a given year to any of this author's works

Total number of citations to an author for the works they published in a given year. This highlights publication of the most important work(s) by the author

Published Works

Effects of Configuration Interaction on Intensities and Phase Shifts (1961) (6564)
Description of States in Quantum Mechanics by Density Matrix and Operator Techniques (1957) (1454)
Spectral Distribution of Atomic Oscillator Strengths (1968) (1245)
Ionization Yield of Radiations. II. The Fluctuations of the Number of Ions (1947) (847)
The Theory of Anomalous Diffraction Gratings and of Quasi-Stationary Waves on Metallic Surfaces (Sommerfeld’s Waves) (1941) (806)
Irreducible Tensorial Sets (1960) (775)
Penetration of protons, alpha particles, and mesons (1963) (731)
Impact Excitation and Polarization of the Emitted Light (1973) (665)
Line Profiles in the Far-uv Absorption Spectra of the Rare Gases (1965) (581)
Interpretation of Ar + -Ar Collisions at 50 KeV (1965) (541)
Pressure Broadening as a Prototype of Relaxation (1963) (461)
Quantum Defect Theory of l Uncoupling in H 2 as an Example of Channel-Interaction Treatment (1970) (405)
Atomic Collisions and Spectra (1986) (360)
Correlations of two excited electrons (1983) (328)
Interference in the Photo-Ionization of Molecules (1966) (305)
Spin Orientation of Photoelectrons Ejected by Circularly Polarized Light (1969) (271)
Atomic Theory of Electromagnetic Interactions in Dense Materials (1956) (269)
Sullo spettro di assorbimento dei gas nobili presso il limite dello spettro d’arco (1935) (261)
Bacteriophage-Resistant Mutants in Escherichia Coli. (1945) (257)
Energy Spectrum Resulting from Electron Slowing Down (1954) (245)
Theory of Electron-Molecule Collisions by Frame Transformations (1972) (232)
ANGULAR MOMENTUM TRANSFER IN THE THEORY OF ANGULAR DISTRIBUTIONS. (1972) (225)
Classification of Two-Electron Excitation Levels of Helium (1963) (225)
Graphic Analysis of Perturbed Rydberg Series (1970) (202)
Unified treatment of perturbed series, continuous spectra and collisions*† (1975) (191)
Note on the Bragg-Gray cavity principle for measuring energy dissipation. (1954) (167)
Configuration-interaction calculations on the fractional quantum Hall effect. (1986) (160)
Raising of Discrete Levels into the Far Continuum (1971) (157)
General form of the quantum-defect theory (1979) (155)
Remarks on the Classical and Quantum-Mechanical Treatment of Partial Polarization* (1949) (148)
Pairs of two-level systems (1983) (146)
Penetration and Diffusion of X Rays (1959) (136)
Quantum Theory of Interference Effects in the Mixing of Light from Phase-Independent Sources (1961) (135)
A Stokes-Parameter Technique for the Treatment of Polarization in Quantum Mechanics (1954) (129)
On the Theory of Ionization Yield of Radiations in Different Substances (1946) (124)
Penetration and Diffusion of X-Rays. Calculation of Spatial Distributions by Polynomial Expansion (1951) (119)
General form of the quantum-defect theory. II (1982) (110)
Alternative parameters of channel interactions. I. Symmetry analysis of the two-channel coupling (1984) (107)
INELASTIC COLLISIONS AND THE MOLIERE THEORY OF MULTIPLE SCATTERING (1954) (96)
Excitation of atoms to states of high orbital momentum (1974) (93)
TRANSITION MATRIX ELEMENTS FOR LARGE MOMENTUM OR ENERGY TRANSFER. (1967) (92)
INTERACTION BETWEEN CONFIGURATIONS WITH SEVERAL OPEN SHELLS (1965) (89)
Parity Unfavoredness and the Distribution of Photofragments (1972) (87)
Propensity rules: An analytical approach. (1985) (87)
Variational Calculation of R Matrices. Application to Ar Photoabsorption (1973) (87)
GEOMETRICAL CHARACTERIZATION OF NUCLEAR STATES AND THE THEORY OF ANGULAR CORRELATIONS (1953) (85)
Normal Modes of a Lattice of Oscillators with Many Resonances and Dipolar Coupling (1960) (78)
CLASSIFICATION OF RESONANCES IN THE ELECTRON SCATTERING CROSS SECTION OF Ne AND He (1963) (75)
Spin Orientation of Photoelectrons: Erratum and Addendum (1969) (74)
Identification of Energy Levels of Negative Ions (1965) (65)
Atomic Potential Wells and the Periodic Table (1968) (63)
Degradation and Range Straggling of High-Energy Radiations (1953) (62)
Unified treatment of collisions (1981) (62)
Theory of Photodetachment near Fine-Structure Thresholds (1971) (61)
Differential Inelastic Scattering of Relativistic Charged Particles (1956) (59)
Electron-optical properties of atomic fields (1976) (51)
On the Absorption Spectrum of Noble Gases at the Arc Spectrum Limit (2005) (50)
Dynamics of electron excitation (1976) (47)
Wave propagation and diffraction on a potential ridge (1980) (46)
Frequency of Dominant Lethals Induced by Radiation in Sperms of Drosophila Melanogaster. (1944) (45)
TABLES FOR THE ANALYSIS OF BETA SPECTRA (1952) (44)
Atomic and molecular physics (1995) (44)
Stark effect of nonhydrogenic Rydberg spectra (1981) (43)
Physics of Atoms and Molecules; An Introduction to the Structure of Matter (1972) (42)
Connection between configuration-mixing and quantum-defect treatments (1978) (42)
Some Theoretical Considerations on Anomalous Diffraction Gratings (1936) (41)
Symmetries in Quantum Physics (1996) (40)
Orientation by collision (1981) (38)
Barrier to electron passage through electronegative atoms in BF3 (1972) (38)
A common mechanism of collective phenomena (1992) (38)
Many-body theory of atomic transitions (1976) (37)
Mechanism of the Origin of X-Ray Induced Notch Deficiencies in Drosophila Melanogaster. (1941) (33)
Addendum: Spectral Distribution of Atomic Oscillator Strengths (1969) (33)
Hole-hole effective interaction in the two-dimensional Hubbard model. (1990) (32)
Precession Equation of a Spinning Particle in Nonuniform Fields (1964) (32)
Quasi-scaling of electron degradation spectra (1975) (31)
Slow electrons in condensed matter. (1986) (30)
PENETRATION OF X- AND GAMMA RAYS TO EXTREMELY GREAT DEPTHS (1953) (28)
Electron correlations in the two-dimensional Hubbard model: A group-theoretical and numerical study. (1992) (27)
Geometry and symmetries of multi-particle systems (1999) (26)
Generalized WKB and Milne solutions to one-dimensional wave equations. (1987) (25)
Interpolation formula for the energy of a two-dimensional electron gas in the lowest Landau level. (1988) (25)
Motional Stark Effect on Li Vapor Photoabsorption in High Magnetic Fields (1979) (25)
LIOUVILLE REPRESENTATION OF QUANTUM MECHANICS WITH APPLICATION TO RELAXATION PROCESSES (1964) (24)
Formation of Landau standing waves in Rydberg spectra (1980) (23)
A theory on cathode luminescence (1940) (23)
ON THE ANALYSIS AND INTERPRETATION OF CHROMOSOMAL CHANGES IN DROSOPHILA (1941) (23)
GAMMA-RAY ATTENUATION. PART II. ANALYSIS OF PENETRATION (1953) (22)
Platzman's analysis of the delivery of radiation energy to molecules. (1975) (21)
Phase-Amplitude Method in Atomic Physics. I. Basic Formulas for an Electron in an Ionic Potential (1970) (21)
Electric quadrupole coupling of the nuclear spin with the rotation of a polar diatomic molecule in an external electric field (1948) (20)
High-Frequency Limit of Bremsstrahlung in the Sauter Approximation (1959) (19)
Interaction Matrix Element in a Shell Model (1963) (19)
Post-Adiabatic Analysis of Atomic Collisions (1976) (18)
EXCLUSION OF PARITY UNFAVORED TRANSITIONS IN FORWARD SCATTERING COLLISIONS (1964) (17)
Experiments on Mutations Induced by Neutrons in Drosophila Melanogaster Sperms. (1944) (17)
Semianalytic study of diamagnetism in a degenerate hydrogenic manifold. (1988) (16)
SAUTER THEORY OF THE PHOTOELECTRIC EFFECT (1959) (16)
Physics of Atoms and Molecules (1974) (15)
GAMMA-RAY ATTENUATION. PART I. BASIC PROCESSES (1953) (15)
Alternative parameters of channel interactions. II. A Hamiltonian model (1984) (14)
Basic Physics Of Atoms And Molecules (1959) (14)
BREMSSTRAHLUNG AND THE PHOTOELECTRIC EFFECT AS INVERSE PROCESSES (1959) (14)
Interference of Orbital and Spin Currents in Bremsstrahlung and Photoelectric Effect (1959) (13)
Note on the Theory of Radiation-induced Lethals in Drosophila. (1947) (12)
Absence of resonances in the elastic scattering of electrons in molecular solids (1986) (12)
Note on the Time-Intensity Factor in Radiobiology. (1943) (12)
Penetration and diffusion of x-rays through thcik barriers. II. The asymptotitic behavior when pair production is important (1949) (11)
Bypassing translation factors in molecular dissociation and reactions. (1987) (11)
Atomic Definition of Primary Standards (1950) (11)
PROCESSING AND TRANSMISSION OF INFORMATION (11)
Correlations of Excited Electrons (1975) (10)
On the Anomalous Diffraction Gratings. II (1937) (10)
PRINCIPLES OF RADIOLOGICAL PHYSICS (1951) (10)
Erratum: General form of the quantum-defect theory. II (1984) (10)
Note on the Quantum Theory of Irreversible Processes (1954) (9)
Introductory remarks on the dosimetry of ionizing radiations. (1954) (9)
Penetration and Diffusion of Hard X-Rays through Thick Barriers. I. The Approach to Spectral Equilibrium (1949) (9)
Directional Distribution of 1040‐Kev Radiation from a High Voltage X‐Ray Tube (1951) (9)
Unfavored angular distributions (1980) (9)
Measurements of the frequency of dominant lethals induced in sperm of Drosophila melanogaster by X-rays.(Abstract) (1941) (8)
Correlation of Excited Electrons: Progress in the Alkaline Earth and Other Spectra (1981) (8)
Radiation Absorption between the Ultraviolet and X-ray Bands (1966) (8)
Alternative parameters of channel interactions. III. Note on a narrow band in the Ba J=2 spectrum (1984) (8)
Spin correlations in photodetachment (1984) (8)
Multichannel quantum mechanics as a Hamiltonian phase flow. (1994) (8)
Real Representations of Coordinate Rotations (1960) (8)
Herzberg's impact on the physics of Rydberg states (1984) (7)
Mechanism of Induction of Gross Chromosomal Rearrangements in Drosophila Sperms. (1943) (7)
On the Interpretation of Radiation Experiments in Genetics (1942) (7)
Multipole Waves in Periodic Lattices (1973) (7)
Contributions to the Theory of Shell Corrections (1964) (7)
Transition matrices for the theory of spectra. Techniques for their construction and calculation (1976) (7)
Genetics: Physical aspects (1944) (7)
Density matrices as polarization vectors (1995) (6)
Short- and long-range interactions of slow electrons in condensed matter: Effects on reflection and transmission. (1987) (6)
Slow electrons in condensed matter: The large polaron. (1988) (6)
Hubbard model with unconstrained hopping on a finite number of sites. (1994) (6)
Studies of slow electron action on condensed media (1988) (5)
Metastable levels in the continuum and the independent particle model (1964) (5)
Graphical analysis of angular momentum for collision products (1998) (5)
DOUBLY EXCITED STATES OF ATOMS. (1969) (5)
Multipole expansion of the density of states about a crystal cell (1976) (5)
Sharp and diffuse interlopers in excitation spectra. (1988) (5)
Extracting dynamics from collision data. I. Analysis of integral angular momentum. (1990) (5)
On the theory of imperfect diffraction gratings. (1948) (5)
Angular correlation of radiations with parallel angular momenta (1957) (4)
Fragmentation of atomic systems. (1996) (4)
New quantum numbers in collision theory. III. Symmetries of the scattering geometry. (1987) (4)
Diverse manifestations of barriers to atomic electrons (1975) (4)
Z DEPENDENCE OF SPIN--ORBIT COUPLING. (1971) (3)
Dissipative polarization by slow electrons (1991) (3)
An approximate expression for gamma-ray degradation spectra (1957) (3)
Quantum mechanics: Then and since (1995) (3)
The Memories of an Atomic Physicist for My Children and Grandchildren (2000) (3)
Note on Quantum Effects in Optics (1951) (3)
New quantum numbers in collision theory. IV. Separation of the first Born contributions. (1987) (3)
Dynamics of Resonant States (1983) (3)
Theory of Ionization by Electron Collisions (1976) (3)
Matrici di densità come vettori di polarizzazione (1995) (2)
Semianalytic theory of Rydberg electron diamagnetism. (1992) (2)
New quantum numbers in collision theory. (1986) (2)
Identification of States Excited by Collision: Current State of Theory (1980) (2)
REMARKS ON THE THEORY OF INELASTIC ELECTRON--ATOM COLLISIONS. (1970) (2)
An Autosomal Recessive Factor Inducing Semi-Sterility in Drosophila Melanogaster Females. (1942) (2)
Erratum: Unified treatment of collisions (1983) (2)
Electron and photon interactions with atoms : a festschrift for Professor Ugo Fano (1976) (2)
Production of Ion Clusters by X-Rays (1943) (2)
General Features of Collisions and Spectra (1988) (2)
SPIN--ORBIT COUPLING: A WEAK FORCE WITH CONSPICUOUS EFFECTS. (1970) (2)
COORDINATE TRANSFORMATIONS RELEVANT TO FRAGMENTATION (1995) (2)
On the scattering of gamma] rays by nuclei (1960) (2)
Dosage units for high-energy radiation. (1950) (2)
An analytically solvable model of dissipation (1997) (2)
Evolution of Atom-Molecular Eigenstates (1996) (1)
The 3-j and 6-j Symbols . Manuel Rotenberg, R. Bivins, N. Metropolis, and John K. Wooten, Jr. Technology Press, Cambridge, Mass., 1960. viii+498 pp. $16 (1960) (1)
FORMULATION OF TRACK STRUCTURE THEORY. (1970) (1)
AN ANALYSIS OF DATA ON DOUBLE TRANSITIONS IN He. (1967) (1)
WKB APPROACH TO NONSEPARABLE WAVE EQUATIONS (1985) (1)
Toward a Theory of Inner Shell Photoabsorption in Crystals (1974) (1)
FRAME TRANSFORMATIONS IN ELECTRON--MOLECULE COLLISIONS. (1970) (1)
Implications of New Evidence on Quasi-Landau Spectra for a Unified Treatment of Collisions and Spectra (1988) (1)
Xiv. Processing and Transmission of Information (2009) (1)
Evolution of atomic‐molecular eigenchannels (1997) (1)
Lo stato attuale del problema del calcolo dei termini spettrali (1934) (1)
Tensor polarizability and related parameters. (1972) (1)
Collision amplitudes shorn of first Born terms. (1989) (1)
Basic Physics of Atoms & Molecules (1959) (1)
Numerical results for generalized resonating-valence-bond wave functions: Application to the Hubbard model. (1996) (1)
EFFECT OF THE CENTRIFUGAL FORCE ON ELECTRON--MOLECULE INTERACTIONS. (1970) (1)
Energy dissipation by a longitudinal Raman process (1994) (1)
A Possible Contributing Mechanism of Catalysis (1947) (1)
Neutron-induced lethals in Drosophila (Abstract) (1943) (1)
Adiabatic analysis of collisions. III. Remarks on the spin model (1979) (1)
Basic studies of atomic dynamics. Progress report for period October 1, 1977--September 30, 1978. [Summaries of research activities at University of Chicago] (1978) (0)
Symmetries of Higher Dimensions (1996) (0)
Basic studies of atomic dynamics. Progress report, October 1, 1976--September 30, 1977 (1977) (0)
Basic studies of atomic dynamics. Progress report, October 1, 1974-- September 30, 1975 (1975) (0)
Symmetries of the Scattering Continuum (1996) (0)
Basic Concepts of Physics (1962) (0)
Fano, Ugo. Effects of configuration interaction on intensities and phase shifts. Physical Review 124(6):1866-78, 15 December 1961 (2004) (0)
9 – CALCULATION OF INTERACTION PARAMETERS (1986) (0)
X. Communication Research (0)
8 – RESONANCES AND THE ELIMINATION OF CHANNELS (1986) (0)
Recoupling Transformations: 6-j and 9-j Coefficients (1996) (0)
Introduction to the School Program (1976) (0)
Lorentz Transformations and the Lorentz and Poincaré Groups (1996) (0)
Penetration of Protons, Alpha Particles and Mesons (Reprinted from Annual Review of Nuclear Science, vol. 13, p. 1, 1963) (1964) (0)
Erratum to: Quantum mechanics: Then and since (1996) (0)
10 – DOUBLY EXCITED He AND H− (1986) (0)
Extension of the Bloch-Floquet theorem to cristalline point groups (1989) (0)
INTRODUCTION TO MULTIELECTRON EXCITATIONS (1986) (0)
11 – EXCITATIONS WITH A STRUCTURED CORE (1986) (0)
IONIZATION OF THE INNER SHELLS OF ATOMS. (1968) (0)
Mutability to bacteriophage-resistance in Escherichia coli (Abstract) (1944) (0)
Frame Reversal and Complex Conjugation (1996) (0)
State Representatives and r-Transformations (1996) (0)
Interpretation of the Poisson Brackets (1949) (0)
Basic studies of atomic dynamics. Progress report, October 1, 1973-- September 30, 1974 (1974) (0)
Note on the Theory of Radiation-induced Lethals in Drosophila (1947) (0)
6 – CALCULATION OF THE PHASE SHIFTS (1986) (0)
Recent Trends of Physical Thinking about Mechanisms of Radiation Action (1954) (0)
Introduction to the Theory Symposium (1988) (0)
Tensorial Sets of Quantum Operators (1996) (0)
Infinitesimal Rotations and Angular Momentum (1996) (0)
Basic studies of atomic dynamics (1985) (0)
Rotational excitation of polar molecules : delimiting the range of Born approximation (1977) (0)
Discrete Transformations of Coordinates (1996) (0)
FIELD CONFIGURATIONS AND PARAMETERS THAT IDENTIFY STATES WITH j = 1. (1969) (0)
12 – CONCLUSIONS AND PREVISIONS (1986) (0)
On the theory of the "color" of unsaturated aliphatic chains (Abstract) (1942) (0)
Meson Mass and Range of Nuclear Forces (1949) (0)
Xiv. Processing and Transmission of Information': A. Estimating Filters for Linear Time-variant Channels (0)
X. Process Analysis and Synthesis (0)
7 – NONRESONANT CONTINUA AND DISCRETE SPECTRA (1986) (0)
Actions of Radiations on Living Cells . D. E. Lea. Cambridge, Engl.: at the Univ. Press; New York: Macmillan, 1946. Pp. xii + 402. (Illustrated.) $4.50. (1947) (0)
5 – INFLUENCE OF LONG-RANGE POTENTIALS (1986) (0)
Basic studies of atomic dynamics. Progress report, October 1, 1972-- September 30, 1973 (1974) (0)
More on atomic resonances (1980) (0)
Part A – State Representatives and r-Transformations: Their Construction and Properties (1996) (0)
Basic studies of atomic dynamics. Progress report, October 1, 1975--September 30, 1976. [Summaries of research activities at Univ. Chicago] (1975) (0)
Technical progress report on contract No. AT(11-1)-1674 for the period September 15, 1968 to September 15, 1969 (1969) (0)
The 3-j and 6-j Symbols . Manuel Rotenberg, R. Bivins, N. Metropolis, and John K. Wooten, Jr. Technology Press, Cambridge, Mass., 1960. viii+498 pp. $16. (1960) (0)
Penetration and Diffusion of X-rays. VII. Calculation of Space Distributions by Polynomial Expansion (Interim Report) (1950) (0)
Basic physics of Atoms and Molecules (H. Reeh) (1960) (0)
Basic studies of atomic dynamics. Progress report, October 1, 1979-September 30, 1980. [Univ. of Chicago] (1980) (0)
L’introduzione di Concetti Termodinamici Nella Fisica Nucleare (1938) (0)
Basic studies of atomic dynamics. Progress report, July 1, 1982-August 31, 1983 (1983) (0)
Tensorial Aspects of Quantum Physics (1996) (0)
TECHNICAL PROGRESS REPORT, OCTOBER 1, 1971--SEPTEMBER 30, 1972. (1972) (0)
Standard r -Transformation Matrices and Their Applications (1996) (0)
Reduction of Direct Products (Addition of Angular Momenta) (1996) (0)
Rotation Groups in Higher Dimensions: Multiparticle Problems (1996) (0)
Neutrons and Related Gamma Ray Problems / Neutronen und Verwandte Gammastrahlprobleme (1959) (0)
3 – CHARGED-PARTICLE COLLISIONS IN THE BORN APPROXIMATION (1986) (0)
4 – ELASTIC SCATTERING BY A SHORT-RANGE CENTRAL POTENTIAL (1986) (0)
Why a PMS Implemented in 1989 is Still a Success and Continuously Used (2009) (0)
Partially Filled Shells of Atoms or Nuclei (1996) (0)

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