A Laser-wire Beam-energy and Beam-profile Monitor at the BNL Linac

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Total Pages : pages
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Book Synopsis A Laser-wire Beam-energy and Beam-profile Monitor at the BNL Linac by :

Download or read book A Laser-wire Beam-energy and Beam-profile Monitor at the BNL Linac written by and published by . This book was released on 2011 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: In 2009 a beam-energy monitor was installed in the high energy beam transport (HEBT) line at the Brookhaven National Lab linac. This device measures the energies of electrons stripped from the 40mA H− beam by background gas. Electrons are stripped by the 2.0x10−7torr residual gas at a rate of ≈1.5x10−8/cm. Since beam electrons have the same velocities as beam protons, the beam proton energy is deduced by multiplying the electron energy by m{sub p}/m{sub e}=1836. A 183.6MeV H− beam produces 100keV electrons. In 2010 we installed an optics plates containing a laser and scanning optics to add beam-profile measurement capability via photodetachment. Our 100mJ/pulse, Q-switched laser neutralizes 70% of the beam during its 10ns pulse. This paper describes the upgrades to the detector and gives profile and energy measurements.

Beam-energy and Laser Beam-profile Monitor at the BNL LINAC.

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ISBN 13 :
Total Pages : pages
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Book Synopsis Beam-energy and Laser Beam-profile Monitor at the BNL LINAC. by :

Download or read book Beam-energy and Laser Beam-profile Monitor at the BNL LINAC. written by and published by . This book was released on 2010 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: We are developing a non-interceptive beam profile and energy monitor for H− beams in the high energy beam transport (HEBT) line at the Brookhaven National Lab linac. Electrons that are removed from the beam ions either by laser photodetachment or stripping by background gas are deflected into a Faraday cup. The beam profile is measured by stepping a narrow laser beam across the ion beam and measuring the electron charge vs. transverse laser position. There is a grid in front of the collector that can be biased up to 125kV. The beam energy spectrum is determined by measuring the electron charge vs. grid voltage. Beam electrons have the same velocity as the beam and so have an energy of 1/1836 of the beam protons. A 200MeV H− beam yields 109keV electrons. Energy measurements can be made with either laser-stripped or gas-stripped electrons.

Performance Studies of a Laser Wire Beam Profile Monitor

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ISBN 13 :
Total Pages : 27 pages
Book Rating : 4.:/5 (248 download)

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Book Synopsis Performance Studies of a Laser Wire Beam Profile Monitor by : Hiroshi Sakai

Download or read book Performance Studies of a Laser Wire Beam Profile Monitor written by Hiroshi Sakai and published by . This book was released on 2002 with total page 27 pages. Available in PDF, EPUB and Kindle. Book excerpt:

A Wire Scanner System for Characterizing the BNL Energy Recovery LINAC Beam Position Monitor System

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ISBN 13 :
Total Pages : pages
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Book Synopsis A Wire Scanner System for Characterizing the BNL Energy Recovery LINAC Beam Position Monitor System by :

Download or read book A Wire Scanner System for Characterizing the BNL Energy Recovery LINAC Beam Position Monitor System written by and published by . This book was released on 2012 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: A stepper motor controlled wire scanner system has recently been modified to support testing of the Brookhaven National Laboratory (BNL) Collider-Accelerator department's Energy Recovery Linac (ERL) beam position monitor (BPM) system. The ERL BPM consists of four 9.33 mm diameter buttons mounted at 90 degree spacing in a cube with 1.875 inch inside diameter. The buttons were designed by BNL and fabricated by Times Microwave Systems. Libera brilliance single pass BPM electronic modules with 700 MHz bandpass filter, manufactured by Instrumentation Technologies, will be used to measure the transverse beam positions at 14 locations around the ERL. The wire scanner assembly provides the ability to measure the BPM button response to a pulsed wire, and evaluate and calibrate the Libera position measurement electronics. A description of the wire scanner system and test result data will be presented.

Laser Beam Profile Monitor Development at BNL for SNS.

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ISBN 13 :
Total Pages : 5 pages
Book Rating : 4.:/5 (871 download)

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Book Synopsis Laser Beam Profile Monitor Development at BNL for SNS. by :

Download or read book Laser Beam Profile Monitor Development at BNL for SNS. written by and published by . This book was released on 2002 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt: A beam profile monitor for H− beams using laser photoneutralization is being developed at Brookhaven National Laboratory [1] for use on the Spallation Neutron Source (SNS) [2]. An H− ion has a first ionization potential of 0.75eV and can be neutralized by light from a Nd:YAG laser ([lambda]=1064nm). To measure beam profiles, a narrow laser beam is passed through the ion beam neutralizing a portion of the H− beam struck by the laser, and the perturbation of the beam current caused by the laser is measured. The laser trajectory is stepped across the ion beam generating a transverse profile. Proof-of-principle experiments were done at 750keV and 200MeV. Also a compact scanner prototype was used at Lawrence Berkeley National Laboratory (LBNL) [3] during commissioning of the SNS RFQ.

Accelerator Physics, Technology, and Applications

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Publisher : World Scientific
ISBN 13 : 9812702806
Total Pages : 639 pages
Book Rating : 4.8/5 (127 download)

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Book Synopsis Accelerator Physics, Technology, and Applications by : Alex Chao

Download or read book Accelerator Physics, Technology, and Applications written by Alex Chao and published by World Scientific. This book was released on 2004 with total page 639 pages. Available in PDF, EPUB and Kindle. Book excerpt: Originally invented for generating the first artificial nuclear reactions, particle accelerators have undergone, during the past 80 years, a fascinating development that is an impressive example of the inventiveness and perseverance of scientists and engineers. Since the early 1980s, accelerator science and technology has been booming. Today, accelerators are the prime tool for high energy physics to probe the structure of matter to an unknown depth. They are also, as synchrotron radiation sources, the most versatile tool for characterizing materials and processes and for producing micro- and nanostructured devices. The determination of the structure of large biomolecules is presently among the best examples of the application of synchrotron radiation. Finally, accelerators have grown more and more important for medicine, which is relying on them for advanced cancer therapy and radio-surgery. And there are more applications, including the generation of neutrons for materials science, the transmutation of nuclear waste with simultaneous production of electrical power, the sterilization of medical supplies and of foodstuff, and the inspection of trucks by customs or security services. This book is meant to provide basic training in modern accelerators for students, teachers, and interested scientists and engineers working in other fields. It is a result of the 3rd International Accelerator School, held in 2002 in Singapore under the auspices of the Overseas Chinese Physics Association (OCPA). Reputable experts, including a recent prize-winner, cover the field of cyclic and linear accelerators from the basic theoretical tools to forefront developments such as the X-ray free electron laser or the latest proton therapy facilities under construction. Accelerators, the art of building them, and the science for understanding their function have become a very exciting field of research. This book conveys the excitement of the experts to the reader. The proceedings have been selected for coverage in: . OCo Index to Scientific & Technical Proceedings- (ISTP- / ISI Proceedings). OCo Index to Scientific & Technical Proceedings (ISTP CDROM version / ISI Proceedings). OCo CC Proceedings OCo Engineering & Physical Sciences."

LASER PROFILE MEASUREMENTS OF AN H BEAM.

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ISBN 13 :
Total Pages : 3 pages
Book Rating : 4.:/5 (684 download)

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Book Synopsis LASER PROFILE MEASUREMENTS OF AN H BEAM. by :

Download or read book LASER PROFILE MEASUREMENTS OF AN H BEAM. written by and published by . This book was released on 2001 with total page 3 pages. Available in PDF, EPUB and Kindle. Book excerpt: A non-intercepting beam profile monitor for He beams is being developed at Brookhaven National Lab. An H− ion has a first ionization potential of 0.75eV. Electrons can be removed from an H− beam by passing light from a near-infrared laser through it. Experiments have been performed on the BNL linac to measure the transverse profile of a 750keV beam by using a Nd:YAG laser to photoneutralize narrow slices of the beam. The laser beam is scanned across the ion beam neutralizing the portion of the beam struck by the laser. The electrons are removed from the ion beam and the beam current notch is measured.

HIGH-RESOLUTION BEAM PROFILE MONITOR R & D AT THE BNL ATF.

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ISBN 13 :
Total Pages : 5 pages
Book Rating : 4.:/5 (684 download)

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Book Synopsis HIGH-RESOLUTION BEAM PROFILE MONITOR R & D AT THE BNL ATF. by :

Download or read book HIGH-RESOLUTION BEAM PROFILE MONITOR R & D AT THE BNL ATF. written by and published by . This book was released on 2000 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Energy Research Abstracts

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ISBN 13 :
Total Pages : 762 pages
Book Rating : 4.:/5 (3 download)

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Book Synopsis Energy Research Abstracts by :

Download or read book Energy Research Abstracts written by and published by . This book was released on 1993 with total page 762 pages. Available in PDF, EPUB and Kindle. Book excerpt: Semiannual, with semiannual and annual indexes. References to all scientific and technical literature coming from DOE, its laboratories, energy centers, and contractors. Includes all works deriving from DOE, other related government-sponsored information, and foreign nonnuclear information. Arranged under 39 categories, e.g., Biomedical sciences, basic studies; Biomedical sciences, applied studies; Health and safety; and Fusion energy. Entry gives bibliographical information and abstract. Corporate, author, subject, report number indexes.

Development of Laser-wire Beam Profile Monitor for PETRA-III and CLIC.

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ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (872 download)

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Book Synopsis Development of Laser-wire Beam Profile Monitor for PETRA-III and CLIC. by : Thomas Aumeyr

Download or read book Development of Laser-wire Beam Profile Monitor for PETRA-III and CLIC. written by Thomas Aumeyr and published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Nuclear Science Abstracts

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ISBN 13 :
Total Pages : 516 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Nuclear Science Abstracts by :

Download or read book Nuclear Science Abstracts written by and published by . This book was released on 1973 with total page 516 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Scientific and Technical Aerospace Reports

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ISBN 13 :
Total Pages : 464 pages
Book Rating : 4.:/5 (3 download)

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Book Synopsis Scientific and Technical Aerospace Reports by :

Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1995 with total page 464 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Beam Instrumentation Workshop 2002

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Publisher : American Institute of Physics
ISBN 13 :
Total Pages : 578 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis Beam Instrumentation Workshop 2002 by : Gary A. Smith

Download or read book Beam Instrumentation Workshop 2002 written by Gary A. Smith and published by American Institute of Physics. This book was released on 2002-12-06 with total page 578 pages. Available in PDF, EPUB and Kindle. Book excerpt: The proceedings of the 10th Beam Instrumentation Workshop contains papers discussing the design principles and engineering issues of beam diagnostic and control instrumentation for charged particle accelerators and beam transport lines. The papers, presented at the 2002 Workshop, consist of tutorials, invited talks, and contributed oral and poster presentations.

Beam Instrumentation Workshop 2002

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Publisher : American Inst. of Physics
ISBN 13 : 9780735401037
Total Pages : 574 pages
Book Rating : 4.4/5 (1 download)

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Book Synopsis Beam Instrumentation Workshop 2002 by : Gary A. Smith

Download or read book Beam Instrumentation Workshop 2002 written by Gary A. Smith and published by American Inst. of Physics. This book was released on 2002-12-06 with total page 574 pages. Available in PDF, EPUB and Kindle. Book excerpt: The proceedings of the 10th Beam Instrumentation Workshop contains papers discussing the design principles and engineering issues of beam diagnostic and control instrumentation for charged particle accelerators and beam transport lines. The papers, presented at the 2002 Workshop, consist of tutorials, invited talks, and contributed oral and poster presentations.

BEAM DIAGNOSTICS AT THE BNL 200 MeV LINAC.

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ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (727 download)

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Book Synopsis BEAM DIAGNOSTICS AT THE BNL 200 MeV LINAC. by :

Download or read book BEAM DIAGNOSTICS AT THE BNL 200 MeV LINAC. written by and published by . This book was released on 1973 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

INIS Atomindex

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ISBN 13 :
Total Pages : 794 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis INIS Atomindex by :

Download or read book INIS Atomindex written by and published by . This book was released on 1996 with total page 794 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Beam Position Monitor for Energy Recovery Linac

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ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (16 download)

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Book Synopsis Beam Position Monitor for Energy Recovery Linac by :

Download or read book Beam Position Monitor for Energy Recovery Linac written by and published by . This book was released on 2012 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: