Recent Publications



NASA Mini-balloon Mission Maps Migratory Magnetic Boundary

Sara Frazier editor Rob Garner


BARREL observations of a solar energetic electron and solar energetic proton event

AuthorsB. T. Kress

Halford, A.J., S.L. McGregor, M.K. Hudson, R.M. Millan, B.T. Kress, (2016) JGR

Observations of coincident EMIC wave activity and dusk-side energetic electron precipitation on 18–19 January 2013 

Blum, L.W.,  A.J. Halford, R. Millan, J.W. Bonnell, J. Goldstein, M. Usanova, M. Engebretson, M. Ohnsted, G. Reeves, and H. Singer, (2015) GRL

Global-scale coherence modulation of radiation-belt electron loss from plasmaspheric hiss 

Breneman, A., A.J. Halford, R. Millan,  M. McCarthy, J. Fennel, J. Sample, L. Woodger, G. Hospodarsky, J.R. Wygant, C.A. Cattell, J. Goldstien, D. Malaspina, C.A. Kletzing, (2015) Nature

A Summary of the BARREL Campaigns: Technique for studying electron precipitation

L. A. Woodger, A. J. Halford, R. M. Millan, M. P. McCarthy, D. M. Smith, G. S. Bowers, J. G. Sample, B. R. Anderson, X. Liang, (2015) JGR

BARREL observations of an ICME‐shock impact with the magnetosphere and the resultant radiation belt electron loss
A. J. Halford, S. L. McGregor, K. R. Murphy, R. M. Millan, M. K. Hudson, L. A. Woodger, C. A. Cattel, A. W. Breneman, I. R. Mann, W. S. Kurth, G. B. Hospodarsky, M. Gkioulidou, J. F. Fennell, (2015) JGR

Investigation of EMIC wave scattering as the cause for the BARREL 17 January 2013 relativistic electron precipitation event: A quantitative comparison of simulation with observations
Z. Li, R.M. Millan, M.K. Hudson, L.A. Woodger, D.M. Smith, Y. Chen, R. Friedel, J. Rodriquez, M. J. Engebretson, J. goldstein, J. F. Fennell, H. E. Spence, (2013) JGR

New Conjunctive CubeSat and balloon measurements to 

quantify rapid energetic electron precipitation
L. W. Blum, Q. Schiller, X. Li, R. Millan, A. Halford L. Woodger,(2013), GRL

BARREL Summary at GEM 2013
Alexa Halford and BARREL Team, GEM, Snowmass CO, June 16th 2013.


Dynamics of Radiation Belt Electrons and the BARREL Experiment
Robyn Millan, Dartmouth physics colloquium, April 19th 2013.

Dartmouth Space Physicists Explore Earth's Radiation Belts
Dartmouth Now, April 2013

BARREL Pamphlet 
December 2012

The Balloon Array for RBSP Relativistic Electron Losses (BARREL),  

  • Department of Physics and Astronomy, Dartmouth College, Hanover, NH, United States

2012 Submitted to Space Sciences review as well as a chapter in the Van Allen Probes book. 
Observation of relativistic electron precipitation during a rapid decrease of trapped relativistic electron flux

Department of Physics and Astronomy, Dartmouth College, Hanover, New Hampshire, USA
R. P. Lin
Physics Department, University of California, Berkeley, California, USA
D. M. Smith
Physics Department and Santa Cruz Institute for Particle Physics, University of California, Santa Cruz, California, USA
M. P. McCarthy
Department of Earth and Space Sciences, University of Washington, Seattle, Washington, USA

GEOPHYSICAL RESEARCH LETTERS, VOL. 34, L10101, 5 PP., 2007
doi:10.1029/2006GL028653

Review of radiation belt relativistic electron losses

  • a Department of Physics and Astronomy, Dartmouth College, Hanover, NH, USA
  • b Department of Atmospheric and Oceanic Sciences, University of California, Los Angeles, CA, USA



Spatial distribution of relativistic electron precipitation during a radiation belt depletion event

Department of Physics and Astronomy, Dartmouth College, Hanover, New Hampshire, USA
K. B. Yando
Department of Physics and Astronomy, Dartmouth College, Hanover, New Hampshire, USA
J. C. Green
Space Weather Prediction Center, National Oceanic and Atmospheric Administration, Boulder, Colorado, USA
A. Y. Ukhorskiy
Johns Hopkins University Applied Physics Laboratory, Laurel, Maryland, USA
GEOPHYSICAL RESEARCH LETTERS, VOL. 37, L20103, 4 PP., 2010
doi:10.1029/2010GL044919



Understanding relativistic electron losses with BARREL

  • Department of Physics and Astronomy, Dartmouth College, Hanover, NH, United States
JASTP July 2011