IPAC2012 - List of Authors (Decking, W.)

Paper	Title	Page
TUPPC008	Twiss Parameters of Coupled Particle Beams with Equal Eigenemittances	1167
	V. Balandin, R. Brinkmann, W. Decking, N. Golubeva DESY, Hamburg, Germany
	The parametrization of coupled beam motion has been studied intensively over the past decades. Nevertheless, there is still no representation of general coupled motion that would be as elegant and as complete as the one dimensional Courant-Snyder theory. In this context the consideration of different partial cases plays an important highlighting role, and in this paper we study the parametrization of coupled particle beams with equal eigenemittances. We show that such beams allow description which in many aspects resembles the one dimensional Courant-Snyder theory.

TUPPC009	Dihedral Group and Repetitive Achromats with Mirror Symmetric or Mirror Antisymmetric Basic Cell	1170
	V. Balandin, R. Brinkmann, W. Decking, N. Golubeva DESY, Hamburg, Germany
	Using the group-theoretical point of view for the design of magnetic optical achromats as introduced in, we study in this paper second- and third-order repetitive achromats with a mirror symmetric or mirror antisymmetric basic cell. We also compare these achromats with repetitive achromats designed without internal cell symmetries taken into account. V.Balandin, R.Brinkmann, W.Decking, N.Golubeva. Two Cell Repetitive Achromats and Four Cell Mirror Symmetric Achromats, Proceedings of IPAC'10, Kyoto, Japan.

TUPPC069	Third-Order Apochromatic Drift-Quadrupole Beamline	1329
	N. Golubeva, V. Balandin, R. Brinkmann, W. Decking DESY, Hamburg, Germany
	We have shown that for every drift-quadrupole system there exists an unique set of Twiss parameters (apochromatic Twiss parameters), which will be transported through that system without first order chromatic distortions. In this paper we continue the development of the theory of apochromatic focusing and present the design of a straight drift-quadrupole system which can transport apochromatic beam ellipses without influence not only of the second but also of the third order chromatic and geometric aberrations of the beamline transfer map. V.Balandin, R.Brinkmann, W.Decking, N.Golubeva. Apochromatic Beam Transport in Drift-Quadrupole Systems. Proceedings of IPAC'10, Kyoto, Japan.

Paper

Title

Page

Twiss Parameters of Coupled Particle Beams with Equal Eigenemittances

1167

V. Balandin, R. Brinkmann, W. Decking, N. Golubeva
DESY, Hamburg, Germany

The parametrization of coupled beam motion has been studied intensively over the past decades. Nevertheless, there is still no representation of general coupled motion that would be as elegant and as complete as the one dimensional Courant-Snyder theory. In this context the consideration of different partial cases plays an important highlighting role, and in this paper we study the parametrization of coupled particle beams with equal eigenemittances. We show that such beams allow description which in many aspects resembles the one dimensional Courant-Snyder theory.

TUPPC009

Dihedral Group and Repetitive Achromats with Mirror Symmetric or Mirror Antisymmetric Basic Cell

1170

V. Balandin, R. Brinkmann, W. Decking, N. Golubeva
DESY, Hamburg, Germany

Using the group-theoretical point of view for the design of magnetic optical achromats as introduced in*, we study in this paper second- and third-order repetitive achromats with a mirror symmetric or mirror antisymmetric basic cell. We also compare these achromats with repetitive achromats designed without internal cell symmetries taken into account.
* V.Balandin, R.Brinkmann, W.Decking, N.Golubeva. Two Cell Repetitive Achromats and Four Cell Mirror Symmetric Achromats, Proceedings of IPAC'10, Kyoto, Japan.

TUPPC069

Third-Order Apochromatic Drift-Quadrupole Beamline

1329

N. Golubeva, V. Balandin, R. Brinkmann, W. Decking
DESY, Hamburg, Germany

We have shown that for every drift-quadrupole system there exists an unique set of Twiss parameters (apochromatic Twiss parameters), which will be transported through that system without first order chromatic distortions*. In this paper we continue the development of the theory of apochromatic focusing and present the design of a straight drift-quadrupole system which can transport apochromatic beam ellipses without influence not only of the second but also of the third order chromatic and geometric aberrations of the beamline transfer map.
* V.Balandin, R.Brinkmann, W.Decking, N.Golubeva. Apochromatic Beam Transport in Drift-Quadrupole Systems. Proceedings of IPAC'10, Kyoto, Japan.