program

OCTOBER 18

8:30 - 12:40 HESSI and RELATED SOLAR PHYSICS Chair: B. Dennis

R. Ramaty
B. Dennis Welcome 5min

R. Lin The HESSI Mission 25min

E. Priest Flare Theory and Status of Solar Flare Understanding 25min

J.-C. Hénoux Optical View of Particle Acceleration and Complementarity With HESSI 25min

H. Zirin Predicting Solar Flares; The Environment of Flare Occurrence 15min

10:15 - 10:30 Break 15min

G. Simnett Studies of the Dynamic Corona from SOHO 25min

A. Benz Heating Events Observed in the Quiet Corona 15min

R. von Steiger Solar Wind: Abundances 25min

N. Mandzhavidze Narrow Gamma Ray Line Spectroscopy: Abundances and Acceleration 15min

D. Mullan Magnetic Reconnection in Partially Ionized Gas: Application to the FIP Effect in the Solar Corona 15min

V. Zharkova Photospheric and Helioseismic Effects of Solar Flares 15min

12:40 - 2:10 LUNCH

2:10 - 3:55 SOLAR ENERGETIC PARTICLES Chair: E. Chupp

D. Reames What We Don't Understand About Ion Acceleration in Flares 25min

S. Kahler Shock Environmental Factors Relevant to the Production of Solar Energetic Particles 10min

L. Klein Coronal Mass Ejections, Shock Waves, and the Acceleration of Solar Energetic Particle Events 10min

J. Mazur Latest Results from ACE on Impulsive Flare Energetic Particles 10min

R. Leske Measurements of the Heavy-Ion Elemental and Isotopic Composition in Large Solar Particle Events from ACE 10min

C. Cohen Observations of ³He-Rich Solar Energetic Particle Events with the Solar Isotope Spectrometer on ACE 10min

C. Ng Effect of Wave Generation on Evolution of Elemental Abundances of Solar Energetic Particles from Flares and Interplanetary Shocks 10min

A. Falcone Detection of 6 November 1997 Ground Level Event by Milagrito 10min

3:55 - 4:15 Break 20min

4:15 - 5:00 THEORY OF PARTICLE ACCELERATION

J. Miller Acceleration via Resonant Wave-Particle Interaction 20min

G. Holman Particle Acceleration in Large Scale Electric Fields 20min

5:00 - 5:35 POSTER HIGHLIGHTS

J. Perez-Peraza Charge States, Cross Sections, Charge Exchange (3 posters) 10min

J. Sakai Proton Acceleration and Energy Spectrum during Collision of Two Current Loops in Solar Flares 5min

Y. Litvinenko Electron Acceleration by Strong DC Electric Fields in Solar Flares 5min

B. Kliem Dynamical Magnetic Reconnection and Particle Acceleration by DC Electric Fields in Solar Flares 5min

G. Mann Generation of High Energy Electrons by a Coronal Shock Waves 5min

B. Ragot Non-Resonant Pitch Angle Scattering and Parallel Mean Free Path of Solar Cosmic Rays 5min

5:35 - 6:00 POSTER VIEWING

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OCTOBER 19

8:30 - 12:05 X-RAYS Chair: G. Share

M. Aschwanden Hard X-Ray Timing 10min

G. Doschek The Electron Temperature and Fine Structure of Soft X-ray Solar Flares 10min

J. Brown Hard X-Ray Bursts from MeV Neutral Beams 10min

V. Petrosian Spatial and Spectral Structure of the Impulsive Phase Hard X-ray Emission 10min

H. Hudson Hard X-rays from "Slow LDEs" 10min

V. Zharkova Electron Beam Dynamics in a Flaring Loop with Return Current and Converging Magnetic Field 10min

T. Metcalf Coronal Trapping of Energetic Flare Particles: Yohkoh/HXT Obervations 10min

10:00 - 10:20 Break 20min

S. Matthews Yohkoh observations of White-light Flares 10min

J.-P. Raulin Evolution of Large and Small Scale Magnetic Structures During the Small Solar Flare of 1992 October 28 10min

J. Sato Characteristics of Footpoint Hard X-Ray Spectrum 10min

H. Garcia Quantifying the Empirical Relationship Between Flare Loop Length and Flare Duration 10min

N. Nitta Flare Loop Geometry 10min

T. Sakao Magnetic Field Structure and Thermal/Non-Thermal Characteristics of Impulsive Flares Revealed with Yohkoh HXT 10min

S. Masuda Above-the-Looptop Hard X-ray Source in an X-class Flare 10min

J. Drake New Developments in our Understanding of Magnetic Reconnection 10min

12:05 - 12:30 POSTER HIGHLIGHTS

V. Zharkova Possible Diagnostics of the Return Current Effect from Hard X-Ray Observations of Flares 5min

H. Hudson Soft X-ray Observations of Type II Burst Exciters 5min

A. Silva Temporal Dependence of the Spectral Index of Impulsive Hard X-Ray Bursts 5min

K. Shibasaki Activities in the Outer Layer of Flaring Loops 5min

T. Shimizu A Thermodynamic Plasma Acceleration Mechanism in Spontaneous Fast Magnetic Reconnection 5min

12:30 - 2:00 LUNCH

2:00 - 5:00 RADIO Chair: G. Trottet

D. Gary Radio View of Particle Acceleration and Complementarity With HESSI 25min

M. Kundu Nonthermal Emission from MeV-energy Electrons in Solar Flares 10min

H. Nakajima Microwave and Hard X-Ray Observations of Flares with Sub-Second Time Structures 10min

P. Kaufmann Multiple Energetic Injections at the Origin of Solar Bursts 10min

D. Deming Prospects for Observing Far-infrared Synchrotron Radiation from Energetic Flares 10min

J. Lee Microwave Emissions and Magnetic Trapping of Electrons during Solar Flares 10min

3:35 - 4:00 Break

V. Melnikov Temporal Evolution of Solar Flare Microwave and Hard X-Ray Spectra: Evidence for Electron Spectral Dynamics 10min

Y. Hanaoka Radio and X-ray Observations of the Flares Caused by Emerging Flux Activity 10min

H. Sawant High Resolution Decimetric Solar Radioheliograph 10min

S. White Millimeter-Wavelength Observations of Flares During the HESSI Mission 10min

4:55 - 5:30 POSTER HIGHLIGHTS

N. Klochek Many-Valued Relationship Between Solar Flare Activity and Neutrino Flux in
GALLEX 5min

P. Sturrock Solar Neutrinos as a Possible Diagnostic of the Solar Magnetic Field 5min

J. Brosius Using Temporal Variations of the Nonthermal Redshifted Ly-alpha Emission to Deduce Properties of Proton Beams Injected into a Stellar Atmosphere 5min

E. Newton Anticipating HESSI's View of Spectral Evolution in Flare Hard X-Ray Emission 5min

A. Conway Understanding Energetic Flare Particle Populations Without Numerical Codes 5min

H. Hudson Soft X-ray Observations of Type II Burst Exciters 5min

K. Hori Statistical study of Solar Decimetric Bursts with a Pair of Cutoff Frequencies 5min

5:30 - 6:00 POSTER VIEWING

7:00- 10:00 BANQUET

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OCTOBER 20

8:30 - 12:30 GAMMA RAYS Chair: D. Reames

J. Ryan Recent COMPTEL Solar Physics Results 10min

G. Share Gamma Ray Spectroscopy in the Era Prior to the Launch of HESSI 25min

R. Murphy Gamma Ray and Neutron Observations of X-class Flares during Cycles 22 and 23 10min

M. Yoshimori Yohkoh Solar Gamma-Ray Observations in the Rise Phase of 23rd Solar Maximum 10min

E. Chupp Measurement of High Energy (20 MeV) Gamma Ray and Neutron Fluxes in Solar Flares in Support of the HESSI Mission 10min

E. Rieger The Radio-Silent Start of an Intense Solar Gamma-Ray Flare 10min

N. Vilmer Time Profiles of Narrow and Broad Gamma-Ray Lines Expected from Trap+Precipitation Model of Energetic Ions 10min

10:15 - 10:45 Break 30min

G. Trottet Chromospheric Response to Particle Beams During a Gamma-Ray Flare 10min

V. Kurt Multi-wavelengh Analysis of the March 26, 1991 Solar Flare: Energy Deposition in the Microwave, Ha, SXR and High-Energy Gamma-Ray Emission 10min

M. Hagyard Multi-wavelengh Analysis of the March 26, 1991 Solar Flare: Relation of Spatial and Temporal Characteristics of Ha Emission to the Dynamics of the Magnetic Field and Charged Particle Acceleration 10min

W. Gan Energetic Protons: Spectral Evolution and its Significance 10min

L. Miroshnichenko Multiple Particle Acceleration at the Sun During Large Extension and Long Duration Gamma Ray Events 10min

M. Arndt Gamma Ray Measurements of the 1991 November 15 Solar Flare 10min

Y. Muraki Are Protons Accelerated Faster than Electrons? 10min

C. Young June 1991 and 24 October 1991 flares 10min

12:30 - 2:00 LUNCH

2:00 - 3:45 HESSI ISSUES Chair: J. Brown

D. Smith HESSI Spectroscopy 20min

G. Hurford HESSI Imaging and Data Analysis 20min

R. Canfield HESSI Context Observations 20min

T. Kosugi How Powerful is HESSI for the Solar Flare Study? A Comparison with Yohkoh HXT 20min

3:45 - 4:15 Break 30min

4:15 - 4:40 POSTER HIGHLIGHTS

J. Ryan Development of SONTRAC, a Solar Neutron Tracking Device 5min

U. Desai Shadow Mask Telescope for High Energy X-Rays 5min

M. McConnell A Modular Hard X-Ray Polarimeter for Solar Flares 5min

H. Sawant Digital Decimetric Solar Spectroscope and Emission Measurement Density Curves (2 posters) 5min

V. Verma High Time Resolution Instrument for the Observations of Solar Ha Flares 5min

4:40 - 5:10 POSTER VIEWING

5:10 - 6:00 RAPPORTEURS: G. Emslie and R. Murphy

LATE POSTER PAPERS

L. Klein X-ray and radio evidence on the origin of a coronal shock wave .

N. Gopalswamy Shock Wave and Electron Beams during a Hard X-ray Flare .

A. Lara Evolution of Radio Spectral Index During Solar Eruptive Events .

S. Pohjolainen Electron Acceleration During A Long Duration Flare .

F. Farnik Solar Broad-Band Hard X-Ray Spectrometer Ready For Launch .

A. Nindos Observations and Models of a Flaring Loop .

G. Thejappa Electrostatic Waves Associated with Interplanetary Shocks and Type II Burst .

P. Gallagher OVRO Solar Array Analysis Software in Support of HESSI .

P. Heinzel Chromospheric Response to a Short-Duration Beam Heating: Numerical Simulations and Observing Programme .

S. Krucker WIND Observations of Energetic Solar Proton Events Down to keV Energies .

B. Dougherty Solar Radio Burst Locator .

R. Ramaty B. Dennis	Welcome	5min
R. Lin	The HESSI Mission	25min
E. Priest	Flare Theory and Status of Solar Flare Understanding	25min
J.-C. Hénoux	Optical View of Particle Acceleration and Complementarity With HESSI	25min
H. Zirin	Predicting Solar Flares; The Environment of Flare Occurrence	15min
10:15 - 10:30	Break	15min
G. Simnett	Studies of the Dynamic Corona from SOHO	25min
A. Benz	Heating Events Observed in the Quiet Corona	15min
R. von Steiger	Solar Wind: Abundances	25min
N. Mandzhavidze	Narrow Gamma Ray Line Spectroscopy: Abundances and Acceleration	15min
D. Mullan	Magnetic Reconnection in Partially Ionized Gas: Application to the FIP Effect in the Solar Corona	15min
V. Zharkova	Photospheric and Helioseismic Effects of Solar Flares	15min

D. Reames	What We Don't Understand About Ion Acceleration in Flares	25min
S. Kahler	Shock Environmental Factors Relevant to the Production of Solar Energetic Particles	10min
L. Klein	Coronal Mass Ejections, Shock Waves, and the Acceleration of Solar Energetic Particle Events	10min
J. Mazur	Latest Results from ACE on Impulsive Flare Energetic Particles	10min
R. Leske	Measurements of the Heavy-Ion Elemental and Isotopic Composition in Large Solar Particle Events from ACE	10min
C. Cohen	Observations of ³He-Rich Solar Energetic Particle Events with the Solar Isotope Spectrometer on ACE	10min
C. Ng	Effect of Wave Generation on Evolution of Elemental Abundances of Solar Energetic Particles from Flares and Interplanetary Shocks	10min
A. Falcone	Detection of 6 November 1997 Ground Level Event by Milagrito	10min
3:55 - 4:15	Break	20min

J. Miller	Acceleration via Resonant Wave-Particle Interaction	20min
G. Holman	Particle Acceleration in Large Scale Electric Fields	20min

J. Perez-Peraza	Charge States, Cross Sections, Charge Exchange (3 posters)	10min
J. Sakai	Proton Acceleration and Energy Spectrum during Collision of Two Current Loops in Solar Flares	5min
Y. Litvinenko	Electron Acceleration by Strong DC Electric Fields in Solar Flares	5min
B. Kliem	Dynamical Magnetic Reconnection and Particle Acceleration by DC Electric Fields in Solar Flares	5min
G. Mann	Generation of High Energy Electrons by a Coronal Shock Waves	5min
B. Ragot	Non-Resonant Pitch Angle Scattering and Parallel Mean Free Path of Solar Cosmic Rays	5min

M. Aschwanden	Hard X-Ray Timing	10min
G. Doschek	The Electron Temperature and Fine Structure of Soft X-ray Solar Flares	10min
J. Brown	Hard X-Ray Bursts from MeV Neutral Beams	10min
V. Petrosian	Spatial and Spectral Structure of the Impulsive Phase Hard X-ray Emission	10min
H. Hudson	Hard X-rays from "Slow LDEs"	10min
V. Zharkova	Electron Beam Dynamics in a Flaring Loop with Return Current and Converging Magnetic Field	10min
T. Metcalf	Coronal Trapping of Energetic Flare Particles: Yohkoh/HXT Obervations	10min
10:00 - 10:20	Break	20min
S. Matthews	Yohkoh observations of White-light Flares	10min
J.-P. Raulin	Evolution of Large and Small Scale Magnetic Structures During the Small Solar Flare of 1992 October 28	10min
J. Sato	Characteristics of Footpoint Hard X-Ray Spectrum	10min
H. Garcia	Quantifying the Empirical Relationship Between Flare Loop Length and Flare Duration	10min
N. Nitta	Flare Loop Geometry	10min
T. Sakao	Magnetic Field Structure and Thermal/Non-Thermal Characteristics of Impulsive Flares Revealed with Yohkoh HXT	10min
S. Masuda	Above-the-Looptop Hard X-ray Source in an X-class Flare	10min
J. Drake	New Developments in our Understanding of Magnetic Reconnection	10min

V. Zharkova	Possible Diagnostics of the Return Current Effect from Hard X-Ray Observations of Flares	5min
H. Hudson	Soft X-ray Observations of Type II Burst Exciters	5min
A. Silva	Temporal Dependence of the Spectral Index of Impulsive Hard X-Ray Bursts	5min
K. Shibasaki	Activities in the Outer Layer of Flaring Loops	5min
T. Shimizu	A Thermodynamic Plasma Acceleration Mechanism in Spontaneous Fast Magnetic Reconnection	5min

D. Gary	Radio View of Particle Acceleration and Complementarity With HESSI	25min
M. Kundu	Nonthermal Emission from MeV-energy Electrons in Solar Flares	10min
H. Nakajima	Microwave and Hard X-Ray Observations of Flares with Sub-Second Time Structures	10min
P. Kaufmann	Multiple Energetic Injections at the Origin of Solar Bursts	10min
D. Deming	Prospects for Observing Far-infrared Synchrotron Radiation from Energetic Flares	10min
J. Lee	Microwave Emissions and Magnetic Trapping of Electrons during Solar Flares	10min
3:35 - 4:00	Break
V. Melnikov	Temporal Evolution of Solar Flare Microwave and Hard X-Ray Spectra: Evidence for Electron Spectral Dynamics	10min
Y. Hanaoka	Radio and X-ray Observations of the Flares Caused by Emerging Flux Activity	10min
H. Sawant	High Resolution Decimetric Solar Radioheliograph	10min
S. White	Millimeter-Wavelength Observations of Flares During the HESSI Mission	10min

N. Klochek	Many-Valued Relationship Between Solar Flare Activity and Neutrino Flux in GALLEX	5min
P. Sturrock	Solar Neutrinos as a Possible Diagnostic of the Solar Magnetic Field	5min
J. Brosius	Using Temporal Variations of the Nonthermal Redshifted Ly-alpha Emission to Deduce Properties of Proton Beams Injected into a Stellar Atmosphere	5min
E. Newton	Anticipating HESSI's View of Spectral Evolution in Flare Hard X-Ray Emission	5min
A. Conway	Understanding Energetic Flare Particle Populations Without Numerical Codes	5min
H. Hudson	Soft X-ray Observations of Type II Burst Exciters	5min
K. Hori	Statistical study of Solar Decimetric Bursts with a Pair of Cutoff Frequencies	5min

J. Ryan	Recent COMPTEL Solar Physics Results	10min
G. Share	Gamma Ray Spectroscopy in the Era Prior to the Launch of HESSI	25min
R. Murphy	Gamma Ray and Neutron Observations of X-class Flares during Cycles 22 and 23	10min
M. Yoshimori	Yohkoh Solar Gamma-Ray Observations in the Rise Phase of 23rd Solar Maximum	10min
E. Chupp	Measurement of High Energy (20 MeV) Gamma Ray and Neutron Fluxes in Solar Flares in Support of the HESSI Mission	10min
E. Rieger	The Radio-Silent Start of an Intense Solar Gamma-Ray Flare	10min
N. Vilmer	Time Profiles of Narrow and Broad Gamma-Ray Lines Expected from Trap+Precipitation Model of Energetic Ions	10min
10:15 - 10:45	Break	30min
G. Trottet	Chromospheric Response to Particle Beams During a Gamma-Ray Flare	10min
V. Kurt	Multi-wavelengh Analysis of the March 26, 1991 Solar Flare: Energy Deposition in the Microwave, Ha, SXR and High-Energy Gamma-Ray Emission	10min
M. Hagyard	Multi-wavelengh Analysis of the March 26, 1991 Solar Flare: Relation of Spatial and Temporal Characteristics of Ha Emission to the Dynamics of the Magnetic Field and Charged Particle Acceleration	10min
W. Gan	Energetic Protons: Spectral Evolution and its Significance	10min
L. Miroshnichenko	Multiple Particle Acceleration at the Sun During Large Extension and Long Duration Gamma Ray Events	10min
M. Arndt	Gamma Ray Measurements of the 1991 November 15 Solar Flare	10min
Y. Muraki	Are Protons Accelerated Faster than Electrons?	10min
C. Young	June 1991 and 24 October 1991 flares	10min

D. Smith	HESSI Spectroscopy	20min
G. Hurford	HESSI Imaging and Data Analysis	20min
R. Canfield	HESSI Context Observations	20min
T. Kosugi	How Powerful is HESSI for the Solar Flare Study? A Comparison with Yohkoh HXT	20min
3:45 - 4:15	Break	30min

J. Ryan	Development of SONTRAC, a Solar Neutron Tracking Device	5min
U. Desai	Shadow Mask Telescope for High Energy X-Rays	5min
M. McConnell	A Modular Hard X-Ray Polarimeter for Solar Flares	5min
H. Sawant	Digital Decimetric Solar Spectroscope and Emission Measurement Density Curves (2 posters)	5min
V. Verma	High Time Resolution Instrument for the Observations of Solar Ha Flares	5min

L. Klein	X-ray and radio evidence on the origin of a coronal shock wave	.
N. Gopalswamy	Shock Wave and Electron Beams during a Hard X-ray Flare	.
A. Lara	Evolution of Radio Spectral Index During Solar Eruptive Events	.
S. Pohjolainen	Electron Acceleration During A Long Duration Flare	.
F. Farnik	Solar Broad-Band Hard X-Ray Spectrometer Ready For Launch	.
A. Nindos	Observations and Models of a Flaring Loop	.
G. Thejappa	Electrostatic Waves Associated with Interplanetary Shocks and Type II Burst	.
P. Gallagher	OVRO Solar Array Analysis Software in Support of HESSI	.
P. Heinzel	Chromospheric Response to a Short-Duration Beam Heating: Numerical Simulations and Observing Programme	.
S. Krucker	WIND Observations of Energetic Solar Proton Events Down to keV Energies	.
B. Dougherty	Solar Radio Burst Locator	.