The first gamma-ray spectroscopic study of sd-shell hypernucleus, Λ19F
Creators
- Yang, S.B.1
- Lee, J.Y.1
- Moon, T.J.1
- Akazawa, Y.2
- Chiga, N.2
- Fujita, M.2
- Ichige, N.2
- Ikeda, M.2
- Koike, T.2
- Miwa, K.2
- Ogura, Y.2
- Sasaki, Y.2
- Suto, S.2
- Tamura, H.2
- Togawa, Y.2
- Ukai, M.2
- Yamamoto, T.O.2
- Aoki, K.3
- Ishimoto, S.3
- Suzuki, S.3
- Takahashi, T.3
- Ekawa, H.4
- Kanatsuki, S.4
- Nagae, T.4
- Feliciello, A.5
- Hasegawa, Shoichi6
- Hosomi, Kenji6
- Hwang, Sang Hoon6
- Ichikawa, Yudai6
- Imai, Kenichi6
- Sako, Hiroyuki6
- Sato, Susumu6
- Sugimura, Hitoshi6
- Tanida, Kiyoshi6
- Hayakawa, S.7
- Hayakawa, T.7
- Honda, R.7
- Kobayashi, K.7
- Nakada, Y.7
- Nakagawa, M.7
- Sakaguchi, A.7
- Kim, S.H.8
- Kinbara, S.9
- Shirotori, K.10
- Wang, T.F.11
- 1. Dept. of Physics and Astronomy, Seoul National Univ., Seoul (Korea, Republic of)
- 2. Tohoku Univ., Dept. of Physics, Sendai, Miyagi (Japan)
- 3. High Energy Accelerator Research Organization (KEK), Inst. of Particle and Nuclear Studies (IPNS), Tsukuba, Ibaraki (Japan)
- 4. Kyoto Univ., Dept. of Physics, Kyoto (Japan)
- 5. INFN, Sezione di Torino, Torino (Italy)
- 6. Japan Atomic Energy Agency (JAEA), Sector of Nuclear Science Research, Advanced Science Research Center (ASRC), Tokai, Ibaraki (Japan)
- 7. Osaka Univ., Dept. of Physics, Toyonaka, Osaka (Japan)
- 8. Dept. of Physics, Korea Univ., Seoul (Korea, Republic of)
- 9. Gifu Univ., Dept. of Education, Gifu (Japan)
- 10. Osaka Univ., Research Center for Nuclear Physics (RCNP), Ibaraki, Osaka (Japan)
- 11. Research Center of Nuclear Science and Technology (RCNST) and School of Physics and Nuclear Energy Engineering, Beihang Univ., Beijing (China)
Description
The first γ-ray spectroscopy of sd-shell hypernucleus, Λ19F, is performed in June, 2015 at the J-PARC K1.8 beam line (J-PARC E13). Precise energy levels of Λ19F can be revealed by measured γ-rays in this experiment. Especially, the strength of ΛN spin-spin interaction in sd-shell hypernucleus is obtained through the energy spacing of the ground-state doublet of the hypernucleus. By comparing its strength between the s, p, and sd-shell hypernuclei, a radial dependence of ΛN interaction is investigated. The hypernucleus is produced through the (K−, π−) reaction with the beam momentum of 1.8 GeV/c. In very preliminary results, we observed two γ-rays, and their energies are 315.8 ± 0.4 and 895.3 ± 0.3 keV where the uncertainties are only statistical. (author)
Availability note (English)
Available from http://dx.doi.org/10.7566/JPSCP.17.012004Additional details
Identifiers
Publishing Information
- Publisher
- Physical Society of Japan
- Imprint Place
- Tokyo (Japan)
- ISBN
- 978-4-89027-122-1
- Imprint Title
- Proceedings of the 12th international conference on hypernuclear and strange particle physics (HYP2015)
- Imprint Pagination
- [623 p.]
- Journal Page Range
- p. 012004.1-012004.4
Conference
- Title
- 12. international conference on hypernuclear and strange particle physics
- Acronym
- HYP2015
- Dates
- 7-12 Sep 2015
- Place
- Sendai, Miyagi (Japan)
INIS
- Country of Publication
- Japan
- Country of Input or Organization
- Japan
- INIS RN
- 49102698
- Subject category
- S73: NUCLEAR PHYSICS AND RADIATION PHYSICS;
- Resource subtype / Literary indicator
- Conference
- Descriptors DEI
- ACCELERATOR EXPERIMENTAL FACILITIES; BINDING ENERGY; DSA METHOD; FLUORINE 19; GAMMA SPECTROSCOPY; GE SEMICONDUCTOR DETECTORS; GROUND STATES; HYPERNUCLEI; ISOTOPE PRODUCTION; J-J COUPLING; J-PARC; LITHIUM 7; SHELL MODELS; SUPERCONDUCTING DEVICES; TIME-OF-FLIGHT METHOD
- Descriptors DEC
- COUNTING TECHNIQUES; COUPLING; ENERGY; ENERGY LEVELS; FLUORINE ISOTOPES; INTERMEDIATE COUPLING; ISOTOPES; LIGHT NUCLEI; LITHIUM ISOTOPES; MATHEMATICAL MODELS; MEASURING INSTRUMENTS; NUCLEAR FRAGMENTS; NUCLEAR MODELS; NUCLEI; ODD-EVEN NUCLEI; RADIATION DETECTORS; SEMICONDUCTOR DETECTORS; SPECTROSCOPY; STABLE ISOTOPES
Optional Information
- Notes
- 15 refs., 2 figs., 1 tab.