Scientific Commons: H. L. Berk

This chapter reviews the progress accomplished since the redaction of the first ITER Physics Basis (1999 Nucl. Fusion 39 2137-664) in the field of energetic ion physics and its possible impact on...

Strongly driven frequency-sweeping events in plasmas (2007)

Vann, R.G.L., Berk, H.L., Soto-Chavez, A.R.

A generic model of a kinetic plasma formed from a source and sink is presented which without instability would form a strongly unstable state due to a single mode. Instead, the resulting...

Alfven cascades in JET discharges with NBI-heating (2006)

Sharapov, S.E., Alper, B., Baranov, Y.F., Berk, H.L., Borba, D., Boswell, C., ...

Explanation of the JET n=0 chirping mode (2006)

Berk, H.L., Boswell, C.J., Borba, D., Figueiredo, A.C.A., Johnson, T., Nave, M.F.F., ...

Experimental Studies of Instabilities and Confinement of Energetic Particles on JET and on MAST (2005)

Sharapov,S. E., Alper,B., Andersson,F., Baranov,Yu. F., Berk,H. L., Bertalot,L., ...

Observation and Explanation of the JET n = 0 Chirping Mode (2005)

Boswell,C., Berk,H.L., Borba,D., Johnson,T., Nave,M.F.F., Pinches,S.D., ...

Observation of energetic particle driven modes relevant to advanced tokamak regimes (2005)

Nazikian,R., Alper,B., Berk,H. L., Borba,D., Boswell,C., Budny,R. V., ...

Experimental Studies of Instabilities and Confinement of Energetic Particles on JET and on MAST (2005)

Sharapov,S. E., Alper,B., Andersson,F., Berk,H. L., Bertalot,L., Borba,D., ...

Theoretical Studies of Alfvén Wave-Energetic Particle Interactions (2005)

Berk,H. L., Breizman,B. N., Chen,L., Eremin,D. E., Fu,G., Gorelenkov,N., ...

Experimental Studies of Instabilities and Confinement of Energetic Particles on JET and on MAST (2005)

Sharapov, S. E., Alper, B., Andersson, F., Baranov, Yu. F., Berk, H. L., Bertalot, L., ...

Observation and Explanation of the JET n = 0 Chirping Mode (2005)

Boswell, C., Berk, H.L., Borba, D., Johnson, T., Nave, M.F.F., Pinches, S.D., ...

Observation of energetic particle driven modes relevant to advanced tokamak regimes (2005)

Nazikian, R., Alper, B., Berk, H. L., Borba, D., Boswell, C., Budny, R. V., ...

Experimental Studies of Instabilities and Confinement of Energetic Particles on JET and on MAST (2005)

Sharapov, S. E., Alper, B., Andersson, F., Berk, H. L., Bertalot, L., Borba, D., ...

Theoretical Studies of Alfvén Wave-Energetic Particle Interactions (2005)

Berk, H. L., Breizman, B. N., Chen, L., Eremin, D. E., Fu, G., Gorelenkov, N., ...

Experimental studies of instabilities and confinement of energetic particles on JET and MAST (2005)

Sharapov, S. E., Alper, B., Andersson, F., Baranov, Y. F., Berk, H. L., Bertalot, L., ...

In preparation for next step burning plasma devices such as ITER, experimental studies of instabilities and confinement of energetic ions were performed on Joint European Torus (JET) and on...

Kinetic Damping of Toroidal (2005)

Alfvén Eigenmodes, G. Y. Fu, H. L. Berk, A. Pletzer

This report was prepared as an account of work sponsored by an agency of the United States Government. Neither the United States Government nor any agency thereof, nor any of their employees, nor any...

Spectroscopic determination of the internal amplitude of frequency sweeping TAE (2004)

Pinches,S. D., Berk,H. L., Gryaznevich,M. P., Sharapov,S. E.

The role of energetic particles in fusion plasmas (2004)

Pinches,S. D., Berk,H. L., Borba,D. N., Breizman,B. N., Briguglio,S., Fasoli,A., ...

Determination of internal fields from frequency sweeping observation (2004)

Berk,H. L., Eremin,D. E., Gryaznevich,M., Pinches,S. D., Sharapov,S. E.

Spectroscopic determination of the internal amplitude of frequency sweeping TAE (2004)

Pinches, S. D., Berk, H. L., Gryaznevich, M. P., Sharapov, S. E., JET-EFDA Contributors

The role of energetic particles in fusion plasmas (2004)

Pinches, S. D., Berk, H. L., Borba, D. N., Breizman, B. N., Briguglio, S., Fasoli, A., ...

Determination of internal fields from frequency sweeping observation (2004)

Berk, H. L., Eremin, D. E., Gryaznevich, M., Pinches, S. D., Sharapov, S. E.

The role of energetic particles in fusion plasmas (2004)

Pinches, S. D., Berk, H. L., Borba, D. N., Breizman, B. N., Briguglio, S., Fasoli, A., ...

In the burning fusion plasmas of next step devices such as ITER (2001 ITER-FEAT Outline Design Report IAEA/ITER EDA/DS/ 18 (Vienna: IAEA) p 2 1), the majority of the heating of the fusing fuel will...

Alfvén Eigenmodes in shear reversed plasmas (2003)

Breizman,B. N., Berk,H. L., Pekker,M. S., Sharapov,S. E., Hawkes,N. C., Borba,D. N., ...

Experiments on JT-60U and JET have shown that plasma configurations with shear reversal are prone to the excitation of unusual Alfvén eigenmodes by energetic particles. These modes emerge outside...

Alfvén Eigenmodes in shear reversed plasmas (2003)

Breizman, B. N., Berk, H. L., Pekker, M. S., Sharapov, S. E., Hawkes, N. C., Borba, D. N., ...

Experiments on JT-60U and JET have shown that plasma configurations with shear reversal are prone to the excitation of unusual Alfvén eigenmodes by energetic particles. These modes emerge outside...

Overview of JET results (2003)

Pamela, J., Solano, E. R., Adams, J. M., Agarici, G., Agarici, M., Akhter, H., ...

Scientific and technical activities on JET focus on the issues likely to affect the ITER design and operation. Our understanding of the ITER reference mode of operation, the ELMy H-mode, has...

Modelling of Alfven waves in JET plasmas with the CASTOR-K code (2002)

Borba,D., Berk,H. L., Breizman,B. N., Fasoli,A., Nabais,F., Pinches,S. D., ...

A hybrid magnetohydrodynamic (M H D)-gyro-kinetic model CASTOR- K developed for the study of Alfven eigenmode (AE) stability in the presence of energetic ions has been applied to the interpretation...

Alfvén wave cascades in a tokamak (2002)

Sharapov,S., Alper,B., Berk,H. L., Borba,D., Breizman,B. N., Challis,C. D., ...

Modelling of Alfven waves in JET plasmas with the CASTOR-K code (2002)

Borba, D., Berk, H. L., Breizman, B. N., Fasoli, A., Nabais, F., Pinches, S. D., ...

A hybrid magnetohydrodynamic (M H D)-gyro-kinetic model CASTOR- K developed for the study of Alfven eigenmode (AE) stability in the presence of energetic ions has been applied to the interpretation...

Alfvén wave cascades in a tokamak (2002)

Sharapov, S., Alper, B., Berk, H. L., Borba, D., Breizman, B. N., Challis, C. D., ...

MHD spectroscopy (2002)

Fasoli, A., Testa, D., Sharapov, S., Berk, H. L., Breizman, B., Gondhalekar, A., ...

Experiments are conducted on the JET tokamak to demonstrate the diagnostic potential of Magneto-Hydro-Dynamics (MHD) spectroscopy, for the plasma bulk and its suprathennal components, using Alfven...

Modelling of Alfven waves in JET plasmas with the CASTOR-K code (2002)

Borba, D., Berk, H. L., Breizman, B. N., Fasoli, A., Nabais, F., Pinches, S. D., ...

A hybrid magnetohydrodynamic (M H D)-gyro-kinetic model CASTOR-K developed for the study of Alfven eigenmode (AE) stability in the presence of energetic ions has been applied to the interpretation of...

Theoretical Interpretation of Alfven Cascades in Tokamaks with Nonmonotonic q Profiles Plasma (2001)

Berk, H.L., Borba, D.N., Breizmann, B.N., Pinches, S.D., Sharapov, S.

Theoretical Interpretation of Alfvén Cascades in Tokamaks with Nonmonotonic q Profiles (2001)

Berk, H. L., Borba, D. N., Breizman, B. N., Pinches, S. D., Sharapov, S. E.

The Role of Energetic Particles in Fusion Plasmas

Pinches,S. D., Berk,H. L., Borba,D. N., Fasoli,A., Gryaznevich,M., Kiptily,V., ...

Theoretical Studies of Alfvén Wave-Energetic Particle Interactions

Berk,H. L., Breizman,B. N., Chen,L., Eremin,D. E., Fu,G., Gorelenkov,N., ...

Model of n=0 energetic particle induced oscillations in JET

Berk,H. L., Sharapov,S., Nave,M. F., Pinches,S. D., Boswell,C.

Observation of energetic particle driven modes relevant to advanced tokamak regimes

Nazikian,R., Alper,B., Berk,H. L., Borba,D., Boswell,C., Budny,R. V., ...