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Experiments towards a neutron target for measurements in inverse kinematics

Fuente: arXiv

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Autori principali:	Dellmann, S. F., Harrington, C. M., Cantrell, O. R., Cooper, A. L., Couture, A., Gorelov, D. V., Knapová, I., Mosby, S. M., Reifarth, R., Alvarez, A., Aprahamian, A., Butz, J., Bos, I. J., Febbraro, M. T., Hankins, T., Harvey, B. M., Heftrich, T., Le, M., Manfredi, J. J., McIntosh, A. B., Manukyan, K. V., Matney, M., Regener, S., Robertson, D., Simon, A., Sokolovic, D., Stech, E., Tabacaru, G., Tan, W., Wiescher, M., Yennello, S.
Natura:	Preprint
Pubblicazione:	2026
Soggetti:	Instrumentation and Detectors Instrumentation and Methods for Astrophysics Nuclear Experiment
Accesso online:	Acceder al recurso
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_version_	1866910041517326336
author	Dellmann, S. F. Harrington, C. M. Cantrell, O. R. Cooper, A. L. Couture, A. Gorelov, D. V. Knapová, I. Mosby, S. M. Reifarth, R. Alvarez, A. Aprahamian, A. Butz, J. Bos, I. J. Febbraro, M. T. Hankins, T. Harvey, B. M. Heftrich, T. Le, M. Manfredi, J. J. McIntosh, A. B. Manukyan, K. V. Matney, M. Regener, S. Robertson, D. Simon, A. Sokolovic, D. Stech, E. Tabacaru, G. Tan, W. Wiescher, M. Yennello, S.
author_facet	Dellmann, S. F. Harrington, C. M. Cantrell, O. R. Cooper, A. L. Couture, A. Gorelov, D. V. Knapová, I. Mosby, S. M. Reifarth, R. Alvarez, A. Aprahamian, A. Butz, J. Bos, I. J. Febbraro, M. T. Hankins, T. Harvey, B. M. Heftrich, T. Le, M. Manfredi, J. J. McIntosh, A. B. Manukyan, K. V. Matney, M. Regener, S. Robertson, D. Simon, A. Sokolovic, D. Stech, E. Tabacaru, G. Tan, W. Wiescher, M. Yennello, S.
contents	Neutron-induced reactions play an important role in fundamental nuclear physics, nuclear astrophysics, and applications. In the case of reactions on rare isotopes, there are limited options for direct experimental measurements. The Neutron Target Demonstrator project at Los Alamos National Laboratory seeks to test the feasibility of moderating spallation neutrons within a 1~m$^3$ graphite cube to create a standing neutron target for neutron-induced reaction measurements in inverse kinematics. This paper presents the results of experimental neutron flux distribution tests using neutron sources (ranging from 1~keV to 50~MeV) created by accelerators at the University of Notre Dame and Texas A\&M University. Measurements were made with both the full graphite cube as well as a ''half cube'' setup in which half of the graphite cube was removed. The measured distributions agree with simulated distributions in the case of the full cube moderator, although there remain discrepancies in certain cases for the half cube moderator. The results shown here will provide useful information for an upcoming experimental campaign to test the neutron target proof-of-principle.
format	Preprint
id	arxiv_https___arxiv_org_abs_2603_04471
institution	arXiv
publishDate	2026
record_format	arxiv
spellingShingle	Experiments towards a neutron target for measurements in inverse kinematics Dellmann, S. F. Harrington, C. M. Cantrell, O. R. Cooper, A. L. Couture, A. Gorelov, D. V. Knapová, I. Mosby, S. M. Reifarth, R. Alvarez, A. Aprahamian, A. Butz, J. Bos, I. J. Febbraro, M. T. Hankins, T. Harvey, B. M. Heftrich, T. Le, M. Manfredi, J. J. McIntosh, A. B. Manukyan, K. V. Matney, M. Regener, S. Robertson, D. Simon, A. Sokolovic, D. Stech, E. Tabacaru, G. Tan, W. Wiescher, M. Yennello, S. Instrumentation and Detectors Instrumentation and Methods for Astrophysics Nuclear Experiment Neutron-induced reactions play an important role in fundamental nuclear physics, nuclear astrophysics, and applications. In the case of reactions on rare isotopes, there are limited options for direct experimental measurements. The Neutron Target Demonstrator project at Los Alamos National Laboratory seeks to test the feasibility of moderating spallation neutrons within a 1~m$^3$ graphite cube to create a standing neutron target for neutron-induced reaction measurements in inverse kinematics. This paper presents the results of experimental neutron flux distribution tests using neutron sources (ranging from 1~keV to 50~MeV) created by accelerators at the University of Notre Dame and Texas A\&M University. Measurements were made with both the full graphite cube as well as a ''half cube'' setup in which half of the graphite cube was removed. The measured distributions agree with simulated distributions in the case of the full cube moderator, although there remain discrepancies in certain cases for the half cube moderator. The results shown here will provide useful information for an upcoming experimental campaign to test the neutron target proof-of-principle.
title	Experiments towards a neutron target for measurements in inverse kinematics
topic	Instrumentation and Detectors Instrumentation and Methods for Astrophysics Nuclear Experiment
url	https://arxiv.org/abs/2603.04471