A liquid helium target system for a measurement of parity violation in neutron spin rotation (2009)
Bass, C. D., Bass, T. D., Heckel, B. R., Huffer, C. R., Luo, D., Markoff, D. M., ...
A liquid helium target system was designed and built to perform a precision measurement of the parity-violating neutron spin rotation in helium due to the nucleon-nucleon weak interaction. The...
Lavelle, C. M., Baxter, D. V., Bogdanov, A., Derenchuk, V. P., Kaiser, H., Leuschner, M. B., ...
The Low Energy Neutron Source (LENS) is an accelerator-based pulsed cold neutron facility under construction at the Indiana University Cyclotron Facility (IUCF). The idea behind LENS is to produce...
Barron-Palos, L., Bowman, J. D., Chupp, T. E., Crawford, C., Dabaghyan, M., ...
We have developed a radio-frequency resonant spin rotator to reverse the neutron polarization in a 9.5 cm x 9.5 cm pulsed cold neutron beam with high efficiency over a broad cold neutron energy...
Experiments in Fundamental Neutron Physics (2006)
Experiments using slow neutrons address a growing range of scientific issues spanning nuclear physics, particle physics, astrophysics, and cosmology. The field of fundamental physics using neutrons...
Gericke, M. T., Bowman, J. D., Carlini, R. D., Chupp, T. E., Coulter, K. P., Dabaghyan, M., ...
Parity-odd asymmetries in the electromagnetic decays of compound nuclei can sometimes be amplified above values expected from simple dimensional estimates by the complexity of compound nuclear...
Huffman, P. R., Arif, M., Black, T. C., Jacobson, D. L., Schoen, K., Snow, W. M., ...
We have performed high precision measurements of the zero-energy neutron scattering amplitudes of gas phase molecular hydrogen, deuterium, and $^{3}$He using neutron interferometry. We find...
Measurement of the Neutron Lifetime by Counting Trapped Protons in a Cold Neutron Beam (2004)
Nico, J. S., Dewey, M. S., Gilliam, D. M., Wietfeldt, F. E., Fei, X., Snow, W. M., ...
A measurement of the neutron lifetime $\tau_{n}$ performed by the absolute counting of in-beam neutrons and their decay protons has been completed. Protons confined in a quasi-Penning trap were...
A Current Mode Detector Array for Gamma-Ray Asymmetry Measurements (2004)
Gericke, M. T., Blessinger, C., Bowman, J. D., Gillis, R. C., Hartfield, J., Ino, T., ...
We have built a CsI(Tl) gamma-ray detector array for the NPDGamma experiment to search for a small parity-violating directional asymmetry in the angular distribution of 2.2 MeV gamma-rays from the...
Mitchell, G. S., Blessinger, C. S., Bowman, J. D., Chupp, T. E., Coulter, K. P., Gericke, M. T. W., ...
An apparatus for measuring parity-violating asymmetries in gamma-ray emission following polarized cold neutron capture was constructed as a 1/10th scale test of the design for the forthcoming...
Measurement of the Neutron Lifetime Using a Proton Trap (2003)
Dewey, M. S., Gilliam, D. M., Nico, J. S., Wietfeldt, F. E., Fei, X., Snow, W. M., ...
We report a new measurement of the neutron decay lifetime by the absolute counting of in-beam neutrons and their decay protons. Protons were confined in a quasi-Penning trap and counted with a...
Measurement of the neutron lifetime using a proton trap (2003)
Gilliam, D M, Nico, J S, Wietfeldt, F E, Fei, X, Snow, W M, ...
We report a new measurement of the neutron decay lifetime by the absolute counting of in-beam neutrons and their decay protons. Protons were confined in a quasi-Penning trap and counted with a...
Schoen, K., Jacobson, D. L., Arif, M., Huffman, P. R., Black, T. C., Snow, W. M., ...
We have performed high-precision measurements of the coherent neutron scattering lengths of gas phase molecular hydrogen and deuterium using neutron interferometry. After correcting for molecular...
Black, T. C., Huffman, P. R., Jacobson, D. L., Snow, W. M., Schoen, K., Arif, M., ...
We have performed the first high precision measurement of the coherent neutron scattering length of deuterium in a pure sample using neutron interferometry. We find b_nd = (6.665 +/- 0.004) fm in...
An investigation into a half page from Newton's Principia in the wake of Chandra (2002)
There is a section in Chandrashekar's ''Newton's Principia for the Common Reader '', (Clarendon Press, Oxford, 1995) in which he claims to find a small error in the Principia. . However we believe...
Rich, D. R., Bowman, J. D., Crawford, B. E., Delheij, P. P. J., Espy, M. A., Haseyama, T., ...
The capability of performing accurate measurements of neutron beam polarization opens a number of exciting opportunities in fundamental neutron physics and in neutron scattering. At the LANSCE pulsed...
Progress toward a new measurement of the parity violating asymmetry in n+p-->d+gamma (1998)
Snow, W. M., Wilburn, W. S., Bowman, J. D., Leuschner, M. B., Penttila, S. I., Pomeroy, V. R., ...
We outline the motivation and conceptual design for a new experiment aimed at a 10-fold improvement in the accuracy of the parity-violating asymmetry A_gamma in the angular distribution of 2.2 MeV...
Observation of a large parity nonconserving analyzing power in Xe (1996)
Szymanski,J.J., Snow,W.M., Bowman, J.D., Cain,B., Crawford,B.E., Delheij, P.P.J., ...
A Measurement of Parity-Violating Neutron Transmission in Xenon (1995)
Hartman, R., Keith, C.D., Komives, A., Leuschner, M., Rich, D., Snow, W.M., ...
This research was sponsored by the National Science Foundation Grant NSF PHY-9314783
A Study of Single-Particle Parity-Nonconserving Nuclear Matrix Elements (1995)
Cain, B., Hartman, R.D., Keith, C., Knott, J.E., Komives, A., Leuschner, M., ...
This research was sponsored by the National Science Foundation Grant NSF PHY-9314783
Measurement of the Neutron Lifetime by Counting Trapped Protons (1995)
Dewey, M.S., Gilliam, D.M., Greene, G.L., Keith, C.D., Snow, W.M., Pauwels, J., ...
This research was sponsored by the National Science Foundation Grant NSF PHY-9314783
An Absolute Measurement of Neutron Flux Using Calorimetry (1995)
Chowdhuri, Z., Keith, C.D., Snow, W.M., Dewey, M.S., Gilliam, D.M., Greene, G.L., ...
This research was sponsored by the National Science Foundation Grant NSF PHY-9314783
Measurement of the Neutron Lifetime by Counting Trapped Protons (1995)
Dewey, M.S., Gilliam, D.M., Greene, G.L., Keith, C.D., Snow, W.M., Pauwels, J., ...
This research was sponsored by the National Science Foundation Grant NSF PHY-9314783
A Measurement of Parity-Violating Neutron Transmission in Xenon (1995)
Hartman, R., Keith, C.D., Komives, A., Leuschner, M., Rich, D., Snow, W.M., ...
This research was sponsored by the National Science Foundation Grant NSF PHY-9314783
A Study of Single-Particle Parity-Nonconserving Nuclear Matrix Elements (1995)
Cain, B., Hartman, R.D., Keith, C., Knott, J.E., Komives, A., Leuschner, M., ...
This research was sponsored by the National Science Foundation Grant NSF PHY-9314783
An Absolute Measurement of Neutron Flux Using Calorimetry (1995)
Chowdhuri, Z., Keith, C.D., Snow, W.M., Dewey, M.S., Gilliam, D.M., Greene, G.L., ...
This research was sponsored by the National Science Foundation Grant NSF PHY-9314783
Measurement of the Neutron Lifetime by Counting Trapped Protons (1994)
Dewey, M.S., Gilliam, D.M., Greene, G.L., Snow, W.M., Pauwels, J., Lamberty, A., ...
This research was sponsored by the National Science Foundation Grant NSF PHY-9314783
A Measurement of Parity-Violating Neutron Transmission in Xenon (1994)
Leuschner, M., Snow, W.M., Szymanski, J.J., TRIPLE Collaboration
This research was sponsored by the National Science Foundation Grant NSF PHY-9314783
Measurement of the Neutron Lifetime by Counting Trapped Protons (1994)
Dewey, M.S., Gilliam, D.M., Greene, G.L., Snow, W.M., Pauwels, J., Lamberty, A., ...
This research was sponsored by the National Science Foundation Grant NSF PHY-9314783
A Measurement of Parity-Violating Neutron Transmission in Xenon (1994)
Leuschner, M., Snow, W.M., Szymanski, J.J., TRIPLE Collaboration
This research was sponsored by the National Science Foundation Grant NSF PHY-9314783