The Bnl Polarized H Sup Minus Ion Source Development Program

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The Bnl Polarized H Sup Minus Ion Source Development Program

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Author :
language : en
Publisher:
Release Date : 1992

The Bnl Polarized H Sup Minus Ion Source Development Program written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with categories.

Polarized protons have been available for acceleration in the AGS for the high energy physics program since 1984. The polarized H[sup [minus]] source, PONI-1, has routinely supplied a 0.4 Hz, 400 [mu]sec pulse having a nominal intensity of 40 [mu]A. Polarization is [approximately]80% out of the ion source. After PONI- 1 became operational, a program was initiated to develop a more intense source based on a cold ground state atomic beam source, followed by ionization of the polarized H[degrees] beam by D[sup [minus]] charge exchange. Various phases of this work have been fully reported elsewhere, and only a summary is given here.

The Bnl Polarized H Ion Source Development Program

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Author :
language : en
Publisher:
Release Date : 1992

The Bnl Polarized H Ion Source Development Program written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with categories.

Polarized protons have been available for acceleration in the AGS for the high energy physics program since 1984. The polarized H[sup [minus]] source, PONI-1, has routinely supplied a 0.4 Hz, 400 [mu]sec pulse having a nominal intensity of 40 [mu]A. Polarization is [approximately]80% out of the ion source. After PONI- 1 became operational, a program was initiated to develop a more intense source based on a cold ground state atomic beam source, followed by ionization of the polarized H[degrees] beam by D[sup [minus]] charge exchange. Various phases of this work have been fully reported elsewhere, and only a summary is given here.

Recent Developments In The Bnl Intense Polarized H Sup Minus Source Program

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Author :
language : en
Publisher:
Release Date : 1989

Recent Developments In The Bnl Intense Polarized H Sup Minus Source Program written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1989 with categories.

A program to develop a high intensity polarized H− ion beam for injection into the AGS is under way at this laboratory. The approach we are following is essentially the polarization and ionization of a very cold and intense atomic hydrogen beam. This paper reports on the magnetic focusing of the cold atomic hydrogen beam we have produced. 4 refs., 4 figs.

The Bnl Polarized H Ion Source Development Program

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Author :
language : en
Publisher:
Release Date : 1992

The Bnl Polarized H Ion Source Development Program written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with categories.

Advances In Bnl S Polarized Ion Source Development

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Author :
language : en
Publisher:
Release Date : 1988

Advances In Bnl S Polarized Ion Source Development written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988 with categories.

The Bnl Volume H Sup Minus Ion Source

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Author : K. PRELEC
language : en
Publisher:
Release Date : 1989

The Bnl Volume H Sup Minus Ion Source written by K. PRELEC and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1989 with categories.

The New Bnl Polarized Negative Ion Source

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Author :
language : en
Publisher:
Release Date : 1991

The New Bnl Polarized Negative Ion Source written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with categories.

A new ground state source of negative hydrogen ions with polarized nuclei ({rvec H}−) is being developed at BNL. Extensive developmental research has been aimed at improving each element of ({rvec H}−) production: cold H° beam, spin selection and focusing magnets, and ionizer. These elements have recently been integrated into a source. A first test with the accommodator nozzle cooled only to liquid nitrogen temperatures resulted in 5 [mu]A of H−. Tests at liquid helium temperatures are now beginning. 7 refs., 1 fig.

Energy Research Abstracts

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Author :
language : en
Publisher:
Release Date : 1990

Energy Research Abstracts written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with Power resources categories.

Advances In Bnl S Polarized Ion Source Development

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Author :
language : en
Publisher:
Release Date : 1988

Advances In Bnl S Polarized Ion Source Development written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988 with categories.

Polarized protons have been accelerated in the AGS to 22/yield/ GeV. The polarized source presently used produces 30-40 .mu. A of /rvec char/H− at 75-80% polarization, in 500 .mu.s pulses, 0.5 Hz. This is three orders of magnitude lower in intensity than normal H− operation, and higher intensities are desired. There is a program in the AGS department to develop a higher intensity source. This is a ground state atomic beam source with an atomic beam cooled to 6 K, spin selection and focusing via a superconducting solenoid (shown) or a sextupole system, and an ionizer for /rvec char/H− production based on the charge exchange of /rvec char/H° with D−. Work is in progress on all three components, and will be described in this paper. 6 refs., 7 figs.

High Intensity Polarized H Proton Deuteron And 3he Ion Source Development At Bnl

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Author :
language : en
Publisher:
Release Date : 2008

High Intensity Polarized H Proton Deuteron And 3he Ion Source Development At Bnl written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with categories.

New techniques for the production of polarized electron, H− (proton), D (D+) and 3H{sup ++} ion beams are discussed. Feasibility studies of these techniques are in progress at BNL. An Optically Pumped Polarized H− Ion Source (OPPIS) delivers beam for polarization studies in RHIC. The polarized deuteron beam will be required for the deuteron Electron Dipole Moment (EDM) experiment, and the 3H{sup ++} ion beam is a part of the experimental program for the future eRHIC (Electron Ion) collider.