Observation of parity-violating neutron spin rotation in the n-139La p-wave resonance

K. Sakai; Y. Masuda; T. Adachi; K. Asahi; M. Doi; M. Harada; S. Ishimoto; M. Iinuma; J. Kura; A. Masaike; Y. Matsuda; K. Morimoto; S. Muto; K. Okumura; H. Sato; H. M. Shimizu; A. Yoshimi; Z. J. Zheng

doi:10.1016/S0370-2693(96)01447-5

Observation of parity-violating neutron spin rotation in the n-¹³⁹La p-wave resonance

K. Sakai, Y. Masuda, T. Adachi, K. Asahi, M. Doi, M. Harada, S. Ishimoto, M. Iinuma, J. Kura, A. Masaike, Y. Matsuda, K. Morimoto, S. Muto, K. Okumura, H. Sato, H. M. Shimizu, A. Yoshimi, Z. J. Zheng

Research output: Contribution to journal › Article

8 Citations (Scopus)

Abstract

Parity-violating spin rotation of neutrons in a ¹³⁹La target was observed in the vicinity of the 0.734 eV p-wave resonance. The measured angle of rotation, φ_pnc(E), shows a large enhancement around the resonance. The data are fitted with a theoretical function from the s-p mixing models of the parity-violation enhancement, yielding a parity mixing matrix element xW = 1.04 ± 0.40 meV which is in agreement with those previously obtained from the longitudinal asymmetry in the p-wave resonance cross section.

Original language	English
Pages (from-to)	11-14
Number of pages	4
Journal	Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume	391
Issue number	1-2
DOIs	https://doi.org/10.1016/S0370-2693(96)01447-5
Publication status	Published - Jan 9 1997
Externally published	Yes

Keywords

Meissner sheet
Neutron spin analyzer
Neutron spin rotation
Parity mixing matrix element
Parity violation enhancement
Polarized neutron

ASJC Scopus subject areas

Nuclear and High Energy Physics

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Sakai, K., Masuda, Y., Adachi, T., Asahi, K., Doi, M., Harada, M., Ishimoto, S., Iinuma, M., Kura, J., Masaike, A., Matsuda, Y., Morimoto, K., Muto, S., Okumura, K., Sato, H., Shimizu, H. M., Yoshimi, A., & Zheng, Z. J. (1997). Observation of parity-violating neutron spin rotation in the n-¹³⁹La p-wave resonance. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 391(1-2), 11-14. https://doi.org/10.1016/S0370-2693(96)01447-5

Observation of parity-violating neutron spin rotation in the n-¹³⁹La p-wave resonance. / Sakai, K.; Masuda, Y.; Adachi, T.; Asahi, K.; Doi, M.; Harada, M.; Ishimoto, S.; Iinuma, M.; Kura, J.; Masaike, A.; Matsuda, Y.; Morimoto, K.; Muto, S.; Okumura, K.; Sato, H.; Shimizu, H. M.; Yoshimi, A.; Zheng, Z. J.

In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 391, No. 1-2, 09.01.1997, p. 11-14.

Research output: Contribution to journal › Article

Sakai, K, Masuda, Y, Adachi, T, Asahi, K, Doi, M, Harada, M, Ishimoto, S, Iinuma, M, Kura, J, Masaike, A, Matsuda, Y, Morimoto, K, Muto, S, Okumura, K, Sato, H, Shimizu, HM, Yoshimi, A & Zheng, ZJ 1997, 'Observation of parity-violating neutron spin rotation in the n-¹³⁹La p-wave resonance', Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, vol. 391, no. 1-2, pp. 11-14. https://doi.org/10.1016/S0370-2693(96)01447-5

Sakai, K. ; Masuda, Y. ; Adachi, T. ; Asahi, K. ; Doi, M. ; Harada, M. ; Ishimoto, S. ; Iinuma, M. ; Kura, J. ; Masaike, A. ; Matsuda, Y. ; Morimoto, K. ; Muto, S. ; Okumura, K. ; Sato, H. ; Shimizu, H. M. ; Yoshimi, A. ; Zheng, Z. J. / Observation of parity-violating neutron spin rotation in the n-¹³⁹La p-wave resonance. In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. 1997 ; Vol. 391, No. 1-2. pp. 11-14.

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abstract = "Parity-violating spin rotation of neutrons in a 139La target was observed in the vicinity of the 0.734 eV p-wave resonance. The measured angle of rotation, φpnc(E), shows a large enhancement around the resonance. The data are fitted with a theoretical function from the s-p mixing models of the parity-violation enhancement, yielding a parity mixing matrix element xW = 1.04 ± 0.40 meV which is in agreement with those previously obtained from the longitudinal asymmetry in the p-wave resonance cross section.",

keywords = "Meissner sheet, Neutron spin analyzer, Neutron spin rotation, Parity mixing matrix element, Parity violation enhancement, Polarized neutron",

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AU - Sakai, K.

AU - Masuda, Y.

AU - Adachi, T.

AU - Asahi, K.

AU - Doi, M.

AU - Harada, M.

AU - Ishimoto, S.

AU - Iinuma, M.

AU - Kura, J.

AU - Masaike, A.

AU - Matsuda, Y.

AU - Morimoto, K.

AU - Muto, S.

AU - Okumura, K.

AU - Sato, H.

AU - Shimizu, H. M.

AU - Yoshimi, A.

AU - Zheng, Z. J.

PY - 1997/1/9

Y1 - 1997/1/9

N2 - Parity-violating spin rotation of neutrons in a 139La target was observed in the vicinity of the 0.734 eV p-wave resonance. The measured angle of rotation, φpnc(E), shows a large enhancement around the resonance. The data are fitted with a theoretical function from the s-p mixing models of the parity-violation enhancement, yielding a parity mixing matrix element xW = 1.04 ± 0.40 meV which is in agreement with those previously obtained from the longitudinal asymmetry in the p-wave resonance cross section.

AB - Parity-violating spin rotation of neutrons in a 139La target was observed in the vicinity of the 0.734 eV p-wave resonance. The measured angle of rotation, φpnc(E), shows a large enhancement around the resonance. The data are fitted with a theoretical function from the s-p mixing models of the parity-violation enhancement, yielding a parity mixing matrix element xW = 1.04 ± 0.40 meV which is in agreement with those previously obtained from the longitudinal asymmetry in the p-wave resonance cross section.

KW - Meissner sheet

KW - Neutron spin analyzer

KW - Neutron spin rotation

KW - Parity mixing matrix element

KW - Parity violation enhancement

KW - Polarized neutron

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