Author Archive for


WG6: Particle Acceleration & Transport

Group Leader: Alexander Warmuth
Co-Leader: Rim Turkmani

The Presentations

(please contact the respective authors for questions or requests to use any content)

The aim of this group is to examine the theory versus the observations in particle acceleration by concentrating on observations that give us inference on the particle acceleration and transport mechanisms, as well as on theory and modelling of these processes. In their contributions, participants are encouraged to have in mind the interplay between observations and theory, i.e. theorists should point out predictions of their models that can be tested observationally, just as observers should clearly convey the constraints their observations provide for acceleration and transport mechanisms.

Some of the anticipated topics will include:

– implications of using improved particle transport and interaction models, such as alternatives to the Thick Target Model and consequences for interpreting HXR observations
– comparing the properties of different acceleration models
– acceleration and transport of electrons versus ions
– observational constraints from new analysis methods (electron maps,…)
– can acceleration models fulfill observational constraints beyond the mere
spectral index, such as total flux, timescales, or correlations between flux
and spectral index?

Draft Schedule

Google Calendar:  view it in your browser or import it into your favorite calendar software with this XML Calendar file (or iCal).

Draft schedule for working group 6

Draft Schedule (contributions are still being added)

Mon 2:00pm-3:30pm: Improved particle transportation & interaction models 1
effects of nonthermal recombination, numer of accelerated electrons

nonuniformly ionized target and return current
(Su, Holman)

Mon 4:00pm-5:30pm: Improved particle transportation and interaction models 2
effects of turbulence, and nonthermal recombination
(Hannah, Kontar, Mallik)

Tue 9:00am-10:30am: General particle acceleration 1
HXR and radio diagnostics, stochastic acceleration, acceleration at current sheets and nulls
(Vilmer, Chen, Guo, Zharkova)

Tue 11:00am-12:30am: General particle acceleration 2
HXR and radio diagnostics, beaming, IP propagation, beam kinetics
(Emslie,  Masson, Zharkova)

Wed 9:00am-10:30am: General particle acceleration 3
acceleration models, electron budgets
(Drake, Turkmani, Mann)

Wed 11:00am-12:30am: Ion acceleration
(Share/Murphy, Miller, Mann)

Wed 2:00pm-3:30pm: Energetics / thermal-nonthermal issues 1
thermal/nonthermal energetics and evolution
(Ning, Warmuth, Guo)

Wed 4:00pm-5:30pm: Energetics / thermal-nonthermal issues 2
themal plasma, heating, evaporation
(Liu, Chamberlin, Doschek)


10th RHESSI Workshop


The 10th RHESSI Workshop will take place from August 1-5th 2010 at the Historic Inns of Annapolis in Annapolis, Maryland.

Annapolis, Maryland

Image taken by fmorgen

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