CERN Accelerating science

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1.
A measurement of the gravitational acceleration of the anti-proton / Holzscheiter, M H (Los Alamos)
A fundamental experiment in gravity proposed by us, is the measurement of the gravitational force on antimatter. This measurement would constitute the first direct test of the Weak Equivalence Principle (WEP) for antimatter. [...]
1990 - 6 p. - Published in : (1990) , pp. 277-282 Fulltext: PDF;
In : 25th Rencontres de Moriond, Les Arcs, France, 20 - 27 Jan 1990, pp.277-282
2.
AD-­4/ACE The relative biological efficiency (RBE) of antiprotons. Combined data Analysis for the 2008 –2012 runs / Holzscheiter, M H (University of New Mexico, Albuquerque)
The final combined data analysis for the runs from 2008 to 2010 is represented and a discussion of statistical and systematic errors is given..
CERN-SPSC-2016-004 ; SPSC-SR-176.
- 2016.
Fulltext
3.
Antiproton radiotherapy / ACE Collaboration
Antiprotons are interesting as a possible future modality in radiation therapy for the following reasons: When fast antiprotons penetrate matter, protons and antiprotons have near identical stopping powers and exhibit equal radiobiology well before the Bragg-peak. But when the antiprotons come to rest at the Bragg-peak, they annihilate, releasing almost 2 GeV per antiproton–proton annihilation. [...]
2008 - 5 p. - Published in : Radiother. Oncol. 86 (2008) 14-19
4.
The antiproton depth–dose curve measured with alanine detectors / Bassler, Niels (Aarhus U., University hospital ; Deutsches Krebsforsch., Heidelberg) ; Hansen, Johnny W (Vejle Hospital, Denmark) ; Palmans, Hugo (Teddington, Natl. Phys. Lab) ; Holzscheiter, Michael H (UNM, Albuquerque) ; Kovacevic, Sandra (Montenegro U.) /AD-4/ACE Collaboration
n this paper we report on the measurement of the antiproton depth–dose curve, with alanine detectors. The results are compared with simulations using the particle energy spectrum calculated by FLUKA, and using the track structure model of Hansen and Olsen for conversion of calculated dose into response. [...]
2008 - 7 p. - Published in : Nucl. Instrum. Methods Phys. Res., B 266 (2008) 929-936
5.
Antiproton Radiotherapy Peripheral Dose from Secondary Neutrons produced in the Annihilation of Antiprotons in the Target / Fahimian, Benjamin P (UCLA, Los Angeles, radiation oncology) ; DeMarco, John J (UCLA, Los Angeles, radiation oncology) ; Keyes, Roy (New Mexico U.) ; Bassler, Niels (Heidelberg, Inst. Radiology) ; Iwamoto, Keisuke S (UCLA, Los Angeles, radiation oncology) ; Zankl, Maria (Helmholtz Zentrum Munchen, Neuherberg) ; Holzscheiter, Michael H (New Mexico U.)
The AD-4/ACE collaboration studies the biological effects of antiprotons with respect to a possible use of antiprotons in cancer therapy. In vitro experiments performed by the collaboration have shown an enhanced biological effectiveness for antiprotons relative to protons. [...]
2009 - 5 p. - Published in : Hyperfine Interact. 194 (2009) 313–318
6.
The antiproton depth–dose curve in water / Bassler, N (Aarhus U. Hospital ; Deutsches Krebsforsch., Heidelberg) ; Holzscheiter, M H (UNM, Albuquerque) ; Jäkel, O (Deutsches Krebsforsch., Heidelberg) ; Knudsen, H V (Aarhus U.) ; Kovacevic, S (Montenegro U.) /AD-4/ACE Collaboration
We have measured the depth–dose curve of 126 MeV antiprotons in a water phantom using ionization chambers. Since the antiproton beam provided by CERN has a pulsed structure and possibly carries a high-LET component from the antiproton annihilation, it is necessary to correct the acquired charge for ion recombination effects. [...]
2008 - 12 p. - Published in : Phys. Med. Biol. 53 (2008) 793–805
7.
Biological effectiveness of antiproton annihilation / Holzscheiter, Michael H. (Pbar Medical, Newport Beach) ; Agazaryan, Nzhde (UCLA, Los Angeles (main)) ; Bassler, Niels (Aarhus U. (main)) ; Beyer, Gerd (Geneva, U. Medical Ctr.) ; De Marco, John J. (UCLA, Los Angeles (main)) ; Doser, Michael (CERN) ; Ichioka, Toshiyasu (Aarhus U. (main)) ; Iwamoto, Keisuke S. (UCLA, Los Angeles (main)) ; Knudsen, Helge V. (Aarhus U. (main)) ; Landua, Rolf (CERN) et al.
We describe an experiment designed to determine whether or not the densely ionizing particles emanating from the annihilation of antiprotons produce an increase in “biological dose” in the vicinity of the narrow Bragg peak for antiprotons compared to protons. This experiment is the first direct measurement of the biological effects of antiproton annihilation. [...]
2004 - Published in : Nucl. Instrum. Methods Phys. Res., B 221 (2004) 210-214
In : 12th International Workshop on Low Energy Positron and Positronium Physics, Sandbjerg, Denmark, 19 - 21 Jul 2003, pp.210-214
8.
Report on Experiment AD-4/ACE / Holzscheiter, M H
After 7 years running the AD-4 Experiment at antiproton momentum of 502 MeV/c we have now assembled a complete data set and are preparing to combine all years into a single analysis of RBE vs. [...]
CERN-SPSC-2014-002 ; SPSC-SR-129.
- 2014.
Fulltext
9.
Status Report for Experiment AD-4/ACE / Holzscheiter, M H (University of New Mexico)
Report on the results of the beam time periods in June and October 2010 and request for beam time in 2011
CERN-SPSC-2011-006 ; SPSC-SR-078.
- 2011.
Original Document (SPSC-P-324) - Fulltext
10.
Biological Effects of Antiprotons Are Antiprotons a Candidate for Cancer Therapy? / ACE Collaboration
2009 Status Report of AD-4 Experiment
CERN-SPSC-2010-001 ; SPSC-SR-054.
- 2010.
Fulltext

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8 Holzscheiter, M
2 Holzscheiter, M.H.
1 Holzscheiter, M;
1 Holzscheiter, MH
4 Holzscheiter, Michael
12 Holzscheiter, Michael H
2 Holzscheiter, Michael H.
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