A measurement of the parity-violating gamma-ray asymmetry in the neutron-proton capture

Parity violation in neutron-proton capture-The NPDGamma experiment

Gericke, Michael
Page, S.
Ramsay, D.
Alarcon, R.
Balascuta, S.
Barron, L.
Bowman, J. D.
Carlini, R. D.
Chen, W.
Chupp, T. E.
Crawford, C.
Covrig, S.
Dabaghyan, M.
Freedman, S. J.
Gentile, T. R.
Gillis, R. C.
Greene, G. L.
Hersman, F. W.
Ino, T.
Jones, Gordon L.
Lauss, B.
Leuschner, M.
Losowki, B.
Mahurin, R.
Masuda, Y.
Mei, J.
Mitchell, G. S.
Muto, S.
Nann, H.
Penttila, S. I.
Salas-Bacci, A.
Santra, S.
Seo, P.-N.
Sharapov, E.
Sharma, M.
Smith, T.
Snow, W. M.
Wilburn, W. S.
Yuan, V.

December 2009

The NPDGamma collaboration has recently completed the first phase of a measurement to determine the ...

First observation of p-odd γ asymmetry in polarized neutron capture on hydrogen

Musgrave, Matthew
NPDGamma Collaboration

December 2018

We report the first observation of the parity-violating gamma-ray asymmetry A[subscript γ under supe...

Precise Measurement of the Photon Directional Asymmetry in the $\vec{n}p\rightarrow d\gamma$ Reaction

January 2017

abstract: This work presents analysis and results for the NPDGamma experiment, measuring the spin-c...

Parity-violating gamma-ray asymmetry in the neutron-proton capture

Masuda, Y.
Bowman, J. D.
Carlini, R. D.
Case, T.
Chupp, T. E.
Coulter, K. P.
Freedman, S. J.
Gentile, T. R.
Gericke, M.
Greene, G. L.
Hersmann, F. W.
Ino, T.
Ishimoto, S.
Jones, Gordon L.
Leuschner, M. B.
Mitchell, G. S.
Morimoto, K.
Muto, S.
Nann, H.
Page, S. A.
Perittila, S. I.
Ramsay, W. D.
Sharapov, E. I.
Smith, T. B.
Snow, W. M.
Wilburn, S. W.
Yuan, Y. W.

June 2003

An experiment to measure gamma-ray asymmetry A(gamma) with a high precision in neutron-proton radiat...

Parity-violating gamma-ray asymmetry in the neutron-proton capture

Masuda, Y.
Bowman, J. D.
Carlini, R. D.
Case, T.
Chupp, T. E.
Coulter, K. P.
Freedman, S. J.
Gentile, T. R.
Gericke, M.
Greene, G. L.
Hersmann, F. W.
Ino, T.
Ishimoto, S.
Jones, Gordon L.
Leuschner, M. B.
Mitchell, G. S.
Morimoto, K.
Muto, S.
Nann, H.
Page, S. A.
Perittila, S. I.
Ramsay, W. D.
Sharapov, E. I.
Smith, T. B.
Snow, W. M.
Wilburn, S. W.
Yuan, Y. W.

June 2003

An experiment to measure gamma-ray asymmetry A(gamma) with a high precision in neutron-proton radiat...

Measurement of the parity violating asymmetry A(gamma) in (n)over-right-arrow+p -\u3e d+gamma

Snow, W. M.
Bazhenov, A.
Blessinger, C. S.
Bowman, J. D.
Chupp, T. E.
Coulter, K. P.
Freedman, S. J.
Fujikawa, B. K.
Gentile, T. R.
Greene, G. L.
Hansen, G.
Hogan, G. E.
Ishimoto, S.
Jones, Gordon L.
Knudson, J. N.
Kolomenski, E.
Lamoreaux, S. K.
Leuschner, M. B.
Masaike, A.
Masuda, Y.
Matsuda, Y.
Morgan, G. L.
Morimoto, K.
Morris, C. L.
Nann, H.
Penttila, S. I.
Pirozhkov, A.
Pomeroy, V. R.
Rich, D. R.
Serebrov, A.
Sharapov, E. I.
Smith, D. A.
Smith, D. A.
Smith, T. B.
Welsh, R. C.
Wiefeldt, F. E.
Wilburn, W. S.
Yuan, V. W.
Zerger, J.

February 2000

The weak interaction between neutrons and protons has never been resolved experimentally. In analogy...

Measurement of the parity violating asymmetry A(gamma) in (n)over-right-arrow+p -\u3e d+gamma

Snow, W. M.
Bazhenov, A.
Blessinger, C. S.
Bowman, J. D.
Chupp, T. E.
Coulter, K. P.
Freedman, S. J.
Fujikawa, B. K.
Gentile, T. R.
Greene, G. L.
Hansen, G.
Hogan, G. E.
Ishimoto, S.
Jones, Gordon L.
Knudson, J. N.
Kolomenski, E.
Lamoreaux, S. K.
Leuschner, M. B.
Masaike, A.
Masuda, Y.
Matsuda, Y.
Morgan, G. L.
Morimoto, K.
Morris, C. L.
Nann, H.
Penttila, S. I.
Pirozhkov, A.
Pomeroy, V. R.
Rich, D. R.
Serebrov, A.
Sharapov, E. I.
Smith, D. A.
Smith, D. A.
Smith, T. B.
Welsh, R. C.
Wiefeldt, F. E.
Wilburn, W. S.
Yuan, V. W.
Zerger, J.

February 2000

The weak interaction between neutrons and protons has never been resolved experimentally. In analogy...

Measurement of the parity violating asymmetry A(gamma) in (n)over-right-arrow+p -\u3e d+gamma

Snow, W. M.
Bazhenov, A.
Blessinger, C. S.
Bowman, J. D.
Chupp, T. E.
Coulter, K. P.
Freedman, S. J.
Fujikawa, B. K.
Gentile, T. R.
Greene, G. L.
Hansen, G.
Hogan, G. E.
Ishimoto, S.
Jones, Gordon L.
Knudson, J. N.
Kolomenski, E.
Lamoreaux, S. K.
Leuschner, M. B.
Masaike, A.
Masuda, Y.
Matsuda, Y.
Morgan, G. L.
Morimoto, K.
Morris, C. L.
Nann, H.
Penttila, S. I.
Pirozhkov, A.
Pomeroy, V. R.
Rich, D. R.
Serebrov, A.
Sharapov, E. I.
Smith, D. A.
Smith, D. A.
Smith, T. B.
Welsh, R. C.
Wiefeldt, F. E.
Wilburn, W. S.
Yuan, V. W.
Zerger, J.

February 2000

The weak interaction between neutrons and protons has never been resolved experimentally. In analogy...

Determination of the gamma-ray asymmetry in the capture of polarized neutrons on hydrogen and deuterium.

Bowman, J. D. (J. David)
Greene, G. L. (Geoff L.)
Knudson, J. N. (James N.)
Lamoreaux, Steve Keith
Mitchell, G. S. (Gregory S.)
Morgan, G. L. (George Lake)
Wilburn, W. S. (Wesley S.)
Yuan, V. W. (Vincent W.)
Penttila, S. I. (Seppo I.)

January 2001

The n+p{yields}d+{gamma} experiment measures the parity-violating directional gamma-ray asymmetry, A...

Measurement of the Parity Violating Asymmetry A

Wilburn, W. S.
Bazhenov, A.
Blessinger, C. S.
Bowman, J. D.
Chupp, T. E.
Coulter, K. P.
Freedman, S. J.
Fujikawa, B. K.
Gentile, T. R.
Greene, G. L.
Hansen, G.
Hogan, G. E.
Ishimoto, S.
Jones, G. L.
Knudson, J. N.
Kolomenski, E.
Lamoreaux, S. K.
Leuschner, M. B.
Masaike, A.
Masuda, Y.
Matsuda, Y.
Morgan, G. L.
Morimoto, K.
Morris, C. L.
Nann, H.
PenttÌlä, S. I.
Pirozhov, A.
Pomeroy, V. R.
Rich, D. R.
Serebrov, A.
Sharapov, E. I.
Smith, D. A.
Smith, T. B.
Snow, W. M.
Welsh, R. C.
Wietfeldt, F. E.
Yuan, V. W.
Zerger, J.

December 1998

The weak pion-nucleon coupling constant H{sub {pi}}{sup 1} remains poorly determined, despite many y...

Measurement of the Parity Violating Asymmetry A ~ in ~ + p--+ d + ~/

W. S. Wilburn
A. Bazhenov
C. S. Blessinger
J. D. Bowman
K. P. Coulter
S. J. Freedman
B. K. Fujikawa
T. R. Gentile
G. L. Greene
G. Hansen
A G. E. Hogan
S. Ishimoto
G. L. Jones
J. N. Knudson
E. Kolomenski
S. K. Lamoreaux
M. B. Leuschner

August 2016

The weak pion-nucleon coupling constant H ~ remains poorly determined, despite many years of effort....

Progress toward a new measurement of the parity violating asymmetry in n (polarized) + p ---> d + gamma

Snow, W.M.
Wilburn, W.S.
Bowman, J.D.
Leuschner, M.B.
Penttila, S.I.
Pomeroy, V.R.
Rich, D.R.
Sharapov, E.I.
Yuan, V.

October 2010

We outline the motivation and conceptual design for a new experiment aimed at a 10-fold improvement ...

Measurement of the weak nucleon-nucleon interaction by polarized cold neutron capture on protons

R. Alarcon
D. Blyth

March 2014

The NPDGamma Experiment at the Spallation Neutron Source at Oak Ridge National Laboratory is measuri...

Parity conserving $\gamma$ asymmetry in n-p radiative capture

Csoto, A
Gibson, B F
Payne, G L

April 1997

The importance of n-p radiative capture, utilizing polarized cold neutrons, as a means of measuring ...

First Observation of $P$-odd $\gamma$ Asymmetry in Polarized Neutron Capture on Hydrogen

Blyth, D.
Fry, J.
Fomin, N.
Alarcon, R.
Alonzi, L.
Askanazi, E.
Baeßler, S.
Balascuta, S.
Barrón-Palos, L.
Barzilov, A.
Bowman, J. D.
Birge, N.
Calarco, J. R.
Chupp, T. E.
Cianciolo, V.
Coppola, C. E.
Crawford, C. B.
Craycraft, K.
Evans, D.
Fieseler, C.
Frle≈æ, E.
Garishvili, I.
Gericke, M. T. W.
Gillis, R. C.
Grammer, K. B.
Greene, G. L.
Hall, J.
Hamblen, J.
Hayes, C.
Iverson, E. B.
Kabir, M. L.
Kucuker, S.
Lauss, B.
Mahurin, R.
McCrea, M.
Maldonado-Vel√°zquez, M.
Masuda, Y.
Mei, J.
Milburn, R.
Mueller, P. E.
Musgrave, M.
Nann, H.
Novikov, I.
Parsons, D.
Penttilä, S. I.
Počanić, D.
Ramirez-Morales, A.
Root, M.
Salas-Bacci, A.
Santra, S.
Schröder, S.
Scott, E.
Seo, P. N.
Sharapov, E. I.
Simmons, F.
Snow, W. M.
Sprow, A.
Stewart, J.
Tang, E.
Tang, Z.
Tong, X.
Turkoglu, D. J.
Whitehead, R.
Wilburn, W. S.

June 2019

We report the first observation of the parity-violating 2.2 MeV gamma-ray asymmetry $A^{np}_\gamma$ ...

Parity violation in neutron-proton capture-The NPDGamma experiment

Gericke, Michael
Page, S.
Ramsay, D.
Alarcon, R.
Balascuta, S.
Barron, L.
Bowman, J. D.
Carlini, R. D.
Chen, W.
Chupp, T. E.
Crawford, C.
Covrig, S.
Dabaghyan, M.
Freedman, S. J.
Gentile, T. R.
Gillis, R. C.
Greene, G. L.
Hersman, F. W.
Ino, T.
Jones, Gordon L.
Lauss, B.
Leuschner, M.
Losowki, B.
Mahurin, R.
Masuda, Y.
Mei, J.
Mitchell, G. S.
Muto, S.
Nann, H.
Penttila, S. I.
Salas-Bacci, A.
Santra, S.
Seo, P.-N.
Sharapov, E.
Sharma, M.
Smith, T.
Snow, W. M.
Wilburn, W. S.
Yuan, V.

December 2009

The NPDGamma collaboration has recently completed the first phase of a measurement to determine the ...

First observation of p-odd γ asymmetry in polarized neutron capture on hydrogen

Musgrave, Matthew
NPDGamma Collaboration

December 2018

We report the first observation of the parity-violating gamma-ray asymmetry A[subscript γ under supe...

Precise Measurement of the Photon Directional Asymmetry in the $\vec{n}p\rightarrow d\gamma$ Reaction

January 2017

abstract: This work presents analysis and results for the NPDGamma experiment, measuring the spin-c...

Parity-violating gamma-ray asymmetry in the neutron-proton capture

Masuda, Y.
Bowman, J. D.
Carlini, R. D.
Case, T.
Chupp, T. E.
Coulter, K. P.
Freedman, S. J.
Gentile, T. R.
Gericke, M.
Greene, G. L.
Hersmann, F. W.
Ino, T.
Ishimoto, S.
Jones, Gordon L.
Leuschner, M. B.
Mitchell, G. S.
Morimoto, K.
Muto, S.
Nann, H.
Page, S. A.
Perittila, S. I.
Ramsay, W. D.
Sharapov, E. I.
Smith, T. B.
Snow, W. M.
Wilburn, S. W.
Yuan, Y. W.

June 2003

An experiment to measure gamma-ray asymmetry A(gamma) with a high precision in neutron-proton radiat...

Parity-violating gamma-ray asymmetry in the neutron-proton capture

Masuda, Y.
Bowman, J. D.
Carlini, R. D.
Case, T.
Chupp, T. E.
Coulter, K. P.
Freedman, S. J.
Gentile, T. R.
Gericke, M.
Greene, G. L.
Hersmann, F. W.
Ino, T.
Ishimoto, S.
Jones, Gordon L.
Leuschner, M. B.
Mitchell, G. S.
Morimoto, K.
Muto, S.
Nann, H.
Page, S. A.
Perittila, S. I.
Ramsay, W. D.
Sharapov, E. I.
Smith, T. B.
Snow, W. M.
Wilburn, S. W.
Yuan, Y. W.

June 2003

An experiment to measure gamma-ray asymmetry A(gamma) with a high precision in neutron-proton radiat...

Measurement of the parity violating asymmetry A(gamma) in (n)over-right-arrow+p -\u3e d+gamma

Snow, W. M.
Bazhenov, A.
Blessinger, C. S.
Bowman, J. D.
Chupp, T. E.
Coulter, K. P.
Freedman, S. J.
Fujikawa, B. K.
Gentile, T. R.
Greene, G. L.
Hansen, G.
Hogan, G. E.
Ishimoto, S.
Jones, Gordon L.
Knudson, J. N.
Kolomenski, E.
Lamoreaux, S. K.
Leuschner, M. B.
Masaike, A.
Masuda, Y.
Matsuda, Y.
Morgan, G. L.
Morimoto, K.
Morris, C. L.
Nann, H.
Penttila, S. I.
Pirozhkov, A.
Pomeroy, V. R.
Rich, D. R.
Serebrov, A.
Sharapov, E. I.
Smith, D. A.
Smith, D. A.
Smith, T. B.
Welsh, R. C.
Wiefeldt, F. E.
Wilburn, W. S.
Yuan, V. W.
Zerger, J.

February 2000

The weak interaction between neutrons and protons has never been resolved experimentally. In analogy...

Measurement of the parity violating asymmetry A(gamma) in (n)over-right-arrow+p -\u3e d+gamma

Snow, W. M.
Bazhenov, A.
Blessinger, C. S.
Bowman, J. D.
Chupp, T. E.
Coulter, K. P.
Freedman, S. J.
Fujikawa, B. K.
Gentile, T. R.
Greene, G. L.
Hansen, G.
Hogan, G. E.
Ishimoto, S.
Jones, Gordon L.
Knudson, J. N.
Kolomenski, E.
Lamoreaux, S. K.
Leuschner, M. B.
Masaike, A.
Masuda, Y.
Matsuda, Y.
Morgan, G. L.
Morimoto, K.
Morris, C. L.
Nann, H.
Penttila, S. I.
Pirozhkov, A.
Pomeroy, V. R.
Rich, D. R.
Serebrov, A.
Sharapov, E. I.
Smith, D. A.
Smith, D. A.
Smith, T. B.
Welsh, R. C.
Wiefeldt, F. E.
Wilburn, W. S.
Yuan, V. W.
Zerger, J.

February 2000

The weak interaction between neutrons and protons has never been resolved experimentally. In analogy...

Measurement of the parity violating asymmetry A(gamma) in (n)over-right-arrow+p -\u3e d+gamma

Snow, W. M.
Bazhenov, A.
Blessinger, C. S.
Bowman, J. D.
Chupp, T. E.
Coulter, K. P.
Freedman, S. J.
Fujikawa, B. K.
Gentile, T. R.
Greene, G. L.
Hansen, G.
Hogan, G. E.
Ishimoto, S.
Jones, Gordon L.
Knudson, J. N.
Kolomenski, E.
Lamoreaux, S. K.
Leuschner, M. B.
Masaike, A.
Masuda, Y.
Matsuda, Y.
Morgan, G. L.
Morimoto, K.
Morris, C. L.
Nann, H.
Penttila, S. I.
Pirozhkov, A.
Pomeroy, V. R.
Rich, D. R.
Serebrov, A.
Sharapov, E. I.
Smith, D. A.
Smith, D. A.
Smith, T. B.
Welsh, R. C.
Wiefeldt, F. E.
Wilburn, W. S.
Yuan, V. W.
Zerger, J.

February 2000

The weak interaction between neutrons and protons has never been resolved experimentally. In analogy...

Determination of the gamma-ray asymmetry in the capture of polarized neutrons on hydrogen and deuterium.

Bowman, J. D. (J. David)
Greene, G. L. (Geoff L.)
Knudson, J. N. (James N.)
Lamoreaux, Steve Keith
Mitchell, G. S. (Gregory S.)
Morgan, G. L. (George Lake)
Wilburn, W. S. (Wesley S.)
Yuan, V. W. (Vincent W.)
Penttila, S. I. (Seppo I.)

January 2001

The n+p{yields}d+{gamma} experiment measures the parity-violating directional gamma-ray asymmetry, A...

Measurement of the Parity Violating Asymmetry A

Wilburn, W. S.
Bazhenov, A.
Blessinger, C. S.
Bowman, J. D.
Chupp, T. E.
Coulter, K. P.
Freedman, S. J.
Fujikawa, B. K.
Gentile, T. R.
Greene, G. L.
Hansen, G.
Hogan, G. E.
Ishimoto, S.
Jones, G. L.
Knudson, J. N.
Kolomenski, E.
Lamoreaux, S. K.
Leuschner, M. B.
Masaike, A.
Masuda, Y.
Matsuda, Y.
Morgan, G. L.
Morimoto, K.
Morris, C. L.
Nann, H.
PenttÌlä, S. I.
Pirozhov, A.
Pomeroy, V. R.
Rich, D. R.
Serebrov, A.
Sharapov, E. I.
Smith, D. A.
Smith, T. B.
Snow, W. M.
Welsh, R. C.
Wietfeldt, F. E.
Yuan, V. W.
Zerger, J.

December 1998

The weak pion-nucleon coupling constant H{sub {pi}}{sup 1} remains poorly determined, despite many y...

Measurement of the Parity Violating Asymmetry A ~ in ~ + p--+ d + ~/

W. S. Wilburn
A. Bazhenov
C. S. Blessinger
J. D. Bowman
K. P. Coulter
S. J. Freedman
B. K. Fujikawa
T. R. Gentile
G. L. Greene
G. Hansen
A G. E. Hogan
S. Ishimoto
G. L. Jones
J. N. Knudson
E. Kolomenski
S. K. Lamoreaux
M. B. Leuschner

August 2016

The weak pion-nucleon coupling constant H ~ remains poorly determined, despite many years of effort....

Progress toward a new measurement of the parity violating asymmetry in n (polarized) + p ---> d + gamma

Snow, W.M.
Wilburn, W.S.
Bowman, J.D.
Leuschner, M.B.
Penttila, S.I.
Pomeroy, V.R.
Rich, D.R.
Sharapov, E.I.
Yuan, V.

October 2010

We outline the motivation and conceptual design for a new experiment aimed at a 10-fold improvement ...

Measurement of the weak nucleon-nucleon interaction by polarized cold neutron capture on protons

R. Alarcon
D. Blyth

March 2014

The NPDGamma Experiment at the Spallation Neutron Source at Oak Ridge National Laboratory is measuri...

Parity conserving $\gamma$ asymmetry in n-p radiative capture

Csoto, A
Gibson, B F
Payne, G L

April 1997

The importance of n-p radiative capture, utilizing polarized cold neutrons, as a means of measuring ...

First Observation of $P$-odd $\gamma$ Asymmetry in Polarized Neutron Capture on Hydrogen

Blyth, D.
Fry, J.
Fomin, N.
Alarcon, R.
Alonzi, L.
Askanazi, E.
Baeßler, S.
Balascuta, S.
Barrón-Palos, L.
Barzilov, A.
Bowman, J. D.
Birge, N.
Calarco, J. R.
Chupp, T. E.
Cianciolo, V.
Coppola, C. E.
Crawford, C. B.
Craycraft, K.
Evans, D.
Fieseler, C.
Frle≈æ, E.
Garishvili, I.
Gericke, M. T. W.
Gillis, R. C.
Grammer, K. B.
Greene, G. L.
Hall, J.
Hamblen, J.
Hayes, C.
Iverson, E. B.
Kabir, M. L.
Kucuker, S.
Lauss, B.
Mahurin, R.
McCrea, M.
Maldonado-Vel√°zquez, M.
Masuda, Y.
Mei, J.
Milburn, R.
Mueller, P. E.
Musgrave, M.
Nann, H.
Novikov, I.
Parsons, D.
Penttilä, S. I.
Počanić, D.
Ramirez-Morales, A.
Root, M.
Salas-Bacci, A.
Santra, S.
Schröder, S.
Scott, E.
Seo, P. N.
Sharapov, E. I.
Simmons, F.
Snow, W. M.
Sprow, A.
Stewart, J.
Tang, E.
Tang, Z.
Tong, X.
Turkoglu, D. J.
Whitehead, R.
Wilburn, W. S.

June 2019

We report the first observation of the parity-violating 2.2 MeV gamma-ray asymmetry $A^{np}_\gamma$ ...

Parity violation in neutron-proton capture-The NPDGamma experiment

Gericke, Michael
Page, S.
Ramsay, D.
Alarcon, R.
Balascuta, S.
Barron, L.
Bowman, J. D.
Carlini, R. D.
Chen, W.
Chupp, T. E.
Crawford, C.
Covrig, S.
Dabaghyan, M.
Freedman, S. J.
Gentile, T. R.
Gillis, R. C.
Greene, G. L.
Hersman, F. W.
Ino, T.
Jones, Gordon L.
Lauss, B.
Leuschner, M.
Losowki, B.
Mahurin, R.
Masuda, Y.
Mei, J.
Mitchell, G. S.
Muto, S.
Nann, H.
Penttila, S. I.
Salas-Bacci, A.
Santra, S.
Seo, P.-N.
Sharapov, E.
Sharma, M.
Smith, T.
Snow, W. M.
Wilburn, W. S.
Yuan, V.

December 2009

The NPDGamma collaboration has recently completed the first phase of a measurement to determine the ...

First observation of p-odd γ asymmetry in polarized neutron capture on hydrogen

Musgrave, Matthew
NPDGamma Collaboration

December 2018

We report the first observation of the parity-violating gamma-ray asymmetry A[subscript γ under supe...

Precise Measurement of the Photon Directional Asymmetry in the $\vec{n}p\rightarrow d\gamma$ Reaction

January 2017

abstract: This work presents analysis and results for the NPDGamma experiment, measuring the spin-c...

A measurement of the parity-violating gamma-ray asymmetry in the neutron-proton capture

Abstract

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A measurement of the parity-violating gamma-ray asymmetry in the neutron-proton capture

Abstract

Extracted data

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