Ions lost on their first orbit can impact Alfvén eigenmode stability

Role of Alfvén Instabilities in Energetic Ion Transport

Bell, M.G.
Bernabei, S.
Budny, R.
Darrow, D.
Fredrickson, E.D.
al., et

November 1998

Experiments of plasma heating at the ion cyclotron resonance of a minority specie have shown that th...

Measurements and modeling of Alfvén eigenmode induced fast ion transport and loss in DIII-D and ASDEX Upgrade

Zeeland, van, M.A.
Heidbrink, W.W.
Fisher, R.K.
García-Munoz, M.
Kramer, G.J.
Pace, D.C.
White, R.B.
Aekaeslompolo, R.B.
Austin, M.D.
Boom, J.E.
Classen, I.G.J.
Graça, da, S.
Geiger, B.
Gorelenkova, M.
Gorenlenkov, N.N.
Hyatt, A.W.
Luhmann, N.C.
Maraschek, M.
McKee, G.R.
Moyer, R.A.
Muscatello, C.M.
Nazikian, R.
Park, H.K.
Sharapov, S.
Suttrop, W.
Tardini, G.
Tobias, B.J.
Zhu, Y.B.

January 2011

Neutral beam injection into reversed magnetic shear DIII-D and ASDEX Upgrade plasmas produces a vari...

Numerical Study of Instabilities Driven by Energetic Neutral Beam Ions in NSTX

Belova, E. V.
Gorelenkov, N. N.
Cheng, C. Z.
Fredrickson, E. D.

July 2003

Recent experimental observations from NSTX [National Spherical Torus Experiment] suggest that many m...

Enhanced localized energetic ion losses resulting from first-orbit linear and non-linear interactions with Alfvén eigenmodes in DIII-D

Chen, X
Heidbrink, WW
Kramer, GJ
Van Zeeland, MA
Pace, DC
Petty, CC
Fisher, RK
Nazikian, R
Zeng, L
Austin, ME
Grierson, BA
Podesta, M

January 2014

Two key insights into interactions between Alfvén eigenmodes (AEs) and energetic particles in the pl...

Diverse wave-particle interactions for energetic ions that traverse Alfvén eigenmodes on their first full orbit

Heidbrink, WW
Persico, EAD
Austin, ME
Chen, X
Pace, DC
Van Zeeland, MA

February 2016

Neutral-beam ions that are deflected onto loss orbits by Alfvén eigenmodes (AE) on their first bounc...

Fast ion loss diagnostics on DIII-D

Fisher, RK
Boivin, RL
Garcia-Munoz, M
Heidbrink, WW
Pace, DC
Van Zeeland, MA
Zhu, YB

December 2009

New fluctuation and fast ion diagnostics on DIII-D have resulted in the first experimental measureme...

Enhanced localized energetic-ion losses resulting from single-pass interactions with Alfvén eigenmodes.

Chen, X
Austin, ME
Fisher, RK
Heidbrink, WW
Kramer, GJ
Nazikian, R
Pace, DC
Petty, CC
Van Zeeland, MA

February 2013

We report the first observation of prompt neutral beam-ion losses due to nonresonant scattering indu...

Excitation of Alfvén eigenmodes with sub-Alfvénic neutral beam ions in JET and DIII-D plasmas

D. Borba
R. Nazikian
B. Alper
H. L. Berk
A. Boboc
R. V. Budny

July 2015

The condition for the excitation of Alfvén eigenmodes is one of the most basic properties of fast io...

Non-linear wave-particle interactions and fast ion loss induced by multiple Alfvén eigenmodes in the DIII-D tokamak

Chen, X
Kramer, GJ
Heidbrink, WW
Fisher, RK
Pace, DC
Petty, CC
Podesta, M
Van Zeeland, MA

August 2014

A new non-linear feature has been observed in fast-ion loss from tokamak plasmas in the form of osci...

On resonant destabilization of toroidal Alfven eigenmodes by circulating and trapped energetic ions/alpha particles in tokamaks

Biglari, H.
Zonca, F.
Chen, L.

October 1991

Toroidal Alfven eigenmodes are shown to be resonantly destabilized by both circulating and trapped e...

Local wave particle resonant interaction causing energetic particle prompt loss in DIII-D plasmas

Zhang, R. B.
Fu, G. Y.
White, R. B.
Wang, X. G.

January 2015

A new wave particle resonance mechanism is found explaining the first-orbit prompt neutral beam-ion ...

Prompt non-resonant neutral beam-ion loss induced by Alfvén eigenmodes in the DIII-D tokamak

Chen, X
Heidbrink, WW
Kramer, GJ
Van Zeeland, MA
Austin, ME
Fisher, RK
Nazikian, R
Pace, DC
Petty, CC

December 2013

Prompt neutral beam-ion loss due to non-resonant scattering caused by toroidicity-induced and revers...

Convective beam ion losses due to Alfvén eigenmodes in DIII-D reversed-shear plasmas

Pace, DC
Fisher, RK
García-Mũoz, M
Heidbrink, WW
Van Zeeland, MA

June 2011

Coherent losses of neutral beam ions are observed at frequencies corresponding to toroidal and rever...

Using neutral beams as a light ion beam probe (invited)a)

Chen, Xi
Heidbrink, WW
Van Zeeland, MA
Kramer, GJ
Pace, DC
Petty, CC
Austin, ME
Fisher, RK
Hanson, JM
Nazikian, R
Zeng, L

November 2014

By arranging the particle first banana orbits to pass near a distant detector, the light ion beam pr...

Fast-ion transport during repetitive burst phenomena of Toroidal Alfv n Eigenmodes in the Large Helical Device

M. "Nishiura
M. Isobe
S. Yamamoto
T. Tokuzawa
T. Mutoh
H. Funaba
K. Saito
T. Seki
S. Murakami
M. Osakabe
F. Watanabe
K. Toi
T. Ido
T. Nagasaka
K. Fujioka
Y. Fujimoto
M. Nakatsuka
T. Hirouchi
M. Sasao
experimental group" LHD

October 2008

"Alfv n instabilities induced fast-ion losses have been directly observed for the first time by a ne...

Role of Alfvén Instabilities in Energetic Ion Transport

Bell, M.G.
Bernabei, S.
Budny, R.
Darrow, D.
Fredrickson, E.D.
al., et

November 1998

Experiments of plasma heating at the ion cyclotron resonance of a minority specie have shown that th...

Measurements and modeling of Alfvén eigenmode induced fast ion transport and loss in DIII-D and ASDEX Upgrade

Zeeland, van, M.A.
Heidbrink, W.W.
Fisher, R.K.
García-Munoz, M.
Kramer, G.J.
Pace, D.C.
White, R.B.
Aekaeslompolo, R.B.
Austin, M.D.
Boom, J.E.
Classen, I.G.J.
Graça, da, S.
Geiger, B.
Gorelenkova, M.
Gorenlenkov, N.N.
Hyatt, A.W.
Luhmann, N.C.
Maraschek, M.
McKee, G.R.
Moyer, R.A.
Muscatello, C.M.
Nazikian, R.
Park, H.K.
Sharapov, S.
Suttrop, W.
Tardini, G.
Tobias, B.J.
Zhu, Y.B.

January 2011

Neutral beam injection into reversed magnetic shear DIII-D and ASDEX Upgrade plasmas produces a vari...

Numerical Study of Instabilities Driven by Energetic Neutral Beam Ions in NSTX

Belova, E. V.
Gorelenkov, N. N.
Cheng, C. Z.
Fredrickson, E. D.

July 2003

Recent experimental observations from NSTX [National Spherical Torus Experiment] suggest that many m...

Enhanced localized energetic ion losses resulting from first-orbit linear and non-linear interactions with Alfvén eigenmodes in DIII-D

Chen, X
Heidbrink, WW
Kramer, GJ
Van Zeeland, MA
Pace, DC
Petty, CC
Fisher, RK
Nazikian, R
Zeng, L
Austin, ME
Grierson, BA
Podesta, M

January 2014

Two key insights into interactions between Alfvén eigenmodes (AEs) and energetic particles in the pl...

Diverse wave-particle interactions for energetic ions that traverse Alfvén eigenmodes on their first full orbit

Heidbrink, WW
Persico, EAD
Austin, ME
Chen, X
Pace, DC
Van Zeeland, MA

February 2016

Neutral-beam ions that are deflected onto loss orbits by Alfvén eigenmodes (AE) on their first bounc...

Fast ion loss diagnostics on DIII-D

Fisher, RK
Boivin, RL
Garcia-Munoz, M
Heidbrink, WW
Pace, DC
Van Zeeland, MA
Zhu, YB

December 2009

New fluctuation and fast ion diagnostics on DIII-D have resulted in the first experimental measureme...

Enhanced localized energetic-ion losses resulting from single-pass interactions with Alfvén eigenmodes.

Chen, X
Austin, ME
Fisher, RK
Heidbrink, WW
Kramer, GJ
Nazikian, R
Pace, DC
Petty, CC
Van Zeeland, MA

February 2013

We report the first observation of prompt neutral beam-ion losses due to nonresonant scattering indu...

Excitation of Alfvén eigenmodes with sub-Alfvénic neutral beam ions in JET and DIII-D plasmas

D. Borba
R. Nazikian
B. Alper
H. L. Berk
A. Boboc
R. V. Budny

July 2015

The condition for the excitation of Alfvén eigenmodes is one of the most basic properties of fast io...

Non-linear wave-particle interactions and fast ion loss induced by multiple Alfvén eigenmodes in the DIII-D tokamak

Chen, X
Kramer, GJ
Heidbrink, WW
Fisher, RK
Pace, DC
Petty, CC
Podesta, M
Van Zeeland, MA

August 2014

A new non-linear feature has been observed in fast-ion loss from tokamak plasmas in the form of osci...

On resonant destabilization of toroidal Alfven eigenmodes by circulating and trapped energetic ions/alpha particles in tokamaks

Biglari, H.
Zonca, F.
Chen, L.

October 1991

Toroidal Alfven eigenmodes are shown to be resonantly destabilized by both circulating and trapped e...

Local wave particle resonant interaction causing energetic particle prompt loss in DIII-D plasmas

Zhang, R. B.
Fu, G. Y.
White, R. B.
Wang, X. G.

January 2015

A new wave particle resonance mechanism is found explaining the first-orbit prompt neutral beam-ion ...

Prompt non-resonant neutral beam-ion loss induced by Alfvén eigenmodes in the DIII-D tokamak

Chen, X
Heidbrink, WW
Kramer, GJ
Van Zeeland, MA
Austin, ME
Fisher, RK
Nazikian, R
Pace, DC
Petty, CC

December 2013

Prompt neutral beam-ion loss due to non-resonant scattering caused by toroidicity-induced and revers...

Convective beam ion losses due to Alfvén eigenmodes in DIII-D reversed-shear plasmas

Pace, DC
Fisher, RK
García-Mũoz, M
Heidbrink, WW
Van Zeeland, MA

June 2011

Coherent losses of neutral beam ions are observed at frequencies corresponding to toroidal and rever...

Using neutral beams as a light ion beam probe (invited)a)

Chen, Xi
Heidbrink, WW
Van Zeeland, MA
Kramer, GJ
Pace, DC
Petty, CC
Austin, ME
Fisher, RK
Hanson, JM
Nazikian, R
Zeng, L

November 2014

By arranging the particle first banana orbits to pass near a distant detector, the light ion beam pr...

Fast-ion transport during repetitive burst phenomena of Toroidal Alfv n Eigenmodes in the Large Helical Device

M. "Nishiura
M. Isobe
S. Yamamoto
T. Tokuzawa
T. Mutoh
H. Funaba
K. Saito
T. Seki
S. Murakami
M. Osakabe
F. Watanabe
K. Toi
T. Ido
T. Nagasaka
K. Fujioka
Y. Fujimoto
M. Nakatsuka
T. Hirouchi
M. Sasao
experimental group" LHD

October 2008

"Alfv n instabilities induced fast-ion losses have been directly observed for the first time by a ne...

Role of Alfvén Instabilities in Energetic Ion Transport

Bell, M.G.
Bernabei, S.
Budny, R.
Darrow, D.
Fredrickson, E.D.
al., et

November 1998

Experiments of plasma heating at the ion cyclotron resonance of a minority specie have shown that th...

Measurements and modeling of Alfvén eigenmode induced fast ion transport and loss in DIII-D and ASDEX Upgrade

Zeeland, van, M.A.
Heidbrink, W.W.
Fisher, R.K.
García-Munoz, M.
Kramer, G.J.
Pace, D.C.
White, R.B.
Aekaeslompolo, R.B.
Austin, M.D.
Boom, J.E.
Classen, I.G.J.
Graça, da, S.
Geiger, B.
Gorelenkova, M.
Gorenlenkov, N.N.
Hyatt, A.W.
Luhmann, N.C.
Maraschek, M.
McKee, G.R.
Moyer, R.A.
Muscatello, C.M.
Nazikian, R.
Park, H.K.
Sharapov, S.
Suttrop, W.
Tardini, G.
Tobias, B.J.
Zhu, Y.B.

January 2011

Neutral beam injection into reversed magnetic shear DIII-D and ASDEX Upgrade plasmas produces a vari...

Numerical Study of Instabilities Driven by Energetic Neutral Beam Ions in NSTX

Belova, E. V.
Gorelenkov, N. N.
Cheng, C. Z.
Fredrickson, E. D.

July 2003

Recent experimental observations from NSTX [National Spherical Torus Experiment] suggest that many m...

Ions lost on their first orbit can impact Alfvén eigenmode stability

Abstract

Extracted data

Ions lost on their first orbit can impact Alfvén eigenmode stability

Abstract

Extracted data

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