Epicyclic Twin-helix Magnetic Structure for Parametric-resonance Ionization Cooling
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Description
Parametric-resonance Ionization Cooling (PIC) is envisioned as the final 6D cooling stage of a high-luminosity muon collider. Implementing PIC imposes stringent constraints on the cooling channel's magnetic optics design. This paper presents a linear optics solution compatible with PIC. Our solution consists of a superposition of two opposite-helicity equal-period and equal-strength helical dipole harmonics and a straight normal quadrupole. We demonstrate that such a system can be adjusted to meet all of the PIC linear optics requirements while retaining large acceptance.
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Thomas Jefferson National Accelerator Facility, Newport News, VA (United States)
Place of Publication:
Newport News, Virginia
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Description
Parametric-resonance Ionization Cooling (PIC) is envisioned as the final 6D cooling stage of a high-luminosity muon collider. Implementing PIC imposes stringent constraints on the cooling channel's magnetic optics design. This paper presents a linear optics solution compatible with PIC. Our solution consists of a superposition of two opposite-helicity equal-period and equal-strength helical dipole harmonics and a straight normal quadrupole. We demonstrate that such a system can be adjusted to meet all of the PIC linear optics requirements while retaining large acceptance.
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A. Afanasev, R.P. Johnson, Y.S. Derbenev, V.S. Morozov.Epicyclic Twin-helix Magnetic Structure for Parametric-resonance Ionization Cooling,
article,
May 1, 2010;
Newport News, Virginia.
(https://digital.library.unt.edu/ark:/67531/metadc831144/:
accessed June 9, 2024),
University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu;
crediting UNT Libraries Government Documents Department.