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Pregled bibliografske jedinice broj: 765594

Observation of (_Λ^4)H Hyperhydrogen by Decay-Pion Spectroscopy in Electron Scattering

Esser, A.; Nagao, S.; Schulz, F.; Achenbach, P.; Ayerbe Gayoso, C.; Böhm, R.; Borodina, O.; Bosnar, Damir; Bozkurt, V.; Debenjak, L. et al.
Observation of (_Λ^4)H Hyperhydrogen by Decay-Pion Spectroscopy in Electron Scattering // Physical Review Letters, 114 (2015), 232501-1 doi:10.1103/PhysRevLett.114.232501 (međunarodna recenzija, članak, znanstveni)

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Naslov
Observation of (_Λ^4)H Hyperhydrogen by Decay-Pion Spectroscopy in Electron Scattering

Autori
Esser, A. ; Nagao, S. ; Schulz, F. ; Achenbach, P. ; Ayerbe Gayoso, C. ; Böhm, R. ; Borodina, O. ; Bosnar, Damir ; Bozkurt, V. ; Debenjak, L. ; Distler, M. O. ; Friščić, Ivica ; Fujii, Y. ; Gogami, T. ; Hashimoto, O. ; Hirose, S. ; Kanda, H. ; Kaneta, M. ; Kim, E. ; Kohl, Y. ; Kusaka, J. ; Margaryan, A. ; Merkel, H. ; Mihovilovič, M. ; Müller, U. ; Nakamura, S. N. ; Pochodzalla, J. ; Rappold, C. ; Reinhold, J. ; Saito, T. R. ; Sanchez Lorente, A. ; Sánchez Majos, S. ; Schlimme, B. S. ; Schoth, M. ; Sfienti, C. ; Širca, S. ; Tang, L. ; Thiel, M. ; Tsukada, K. ; Weber, A. ; Yoshida, K.

Izvornik
Physical Review Letters (0031-9007) 114 (2015); 232501-1

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
Electron Scattering; Hypernuclei; MAMI; KAOS; Decay-Pion Spectroscopy

Sažetak
At the Mainz Microtron MAMI, the first high-resolution pion spectroscopy from decays of strange systems was performed by electron scattering off a (^9)Be target in order to study the Λ binding energy of light hypernuclei. Positively charged kaons were detected by a short-orbit spectrometer with a broad momentum acceptance at 0° forward angles with respect to the beam, efficiently tagging the production of strangeness in the target nucleus. Coincidentally, negatively charged decay pions were detected by two independent high-resolution spectrometers. About 10^3 pionic weak decays of hyperfragments and hyperons were observed. The pion momentum distribution shows a monochromatic peak at p_π ≈ 133 MeV/c, corresponding to the unique signature for the two-body decay of hyperhydrogen (_Λ^4)H→(^4)H+π^-, stopped inside the target. Its Λ binding energy was determined to be B_Λ = 2.12 ± 0.01 (stat) ± 0.09 (syst) MeV with respect to the (^3)H + Λ mass.

Izvorni jezik
Engleski

Znanstvena područja
Fizika



POVEZANOST RADA

Projekti:
HRZZ 1680

Ustanove:
Prirodoslovno-matematički fakultet, Zagreb

Profili:

Avatar Url Ivica Friščić (autor)

Avatar Url Damir Bosnar (autor)

Poveznice na cjeloviti tekst rada:

doi journals.aps.org doi.org

Citiraj ovu publikaciju:

Esser, A.; Nagao, S.; Schulz, F.; Achenbach, P.; Ayerbe Gayoso, C.; Böhm, R.; Borodina, O.; Bosnar, Damir; Bozkurt, V.; Debenjak, L. et al.
Observation of (_Λ^4)H Hyperhydrogen by Decay-Pion Spectroscopy in Electron Scattering // Physical Review Letters, 114 (2015), 232501-1 doi:10.1103/PhysRevLett.114.232501 (međunarodna recenzija, članak, znanstveni)
Esser, A., Nagao, S., Schulz, F., Achenbach, P., Ayerbe Gayoso, C., Böhm, R., Borodina, O., Bosnar, D., Bozkurt, V. & Debenjak, L. (2015) Observation of (_Λ^4)H Hyperhydrogen by Decay-Pion Spectroscopy in Electron Scattering. Physical Review Letters, 114, 232501-1 doi:10.1103/PhysRevLett.114.232501.
@article{article, author = {Esser, A. and Nagao, S. and Schulz, F. and Achenbach, P. and Ayerbe Gayoso, C. and B\"{o}hm, R. and Borodina, O. and Bosnar, Damir and Bozkurt, V. and Debenjak, L. and Distler, M. O. and Fri\v{s}\v{c}i\'{c}, Ivica and Fujii, Y. and Gogami, T. and Hashimoto, O. and Hirose, S. and Kanda, H. and Kaneta, M. and Kim, E. and Kohl, Y. and Kusaka, J. and Margaryan, A. and Merkel, H. and Mihovilovi\v{c}, M. and M\"{u}ller, U. and Nakamura, S. N. and Pochodzalla, J. and Rappold, C. and Reinhold, J. and Saito, T. R. and Sanchez Lorente, A. and S\'{a}nchez Majos, S. and Schlimme, B. S. and Schoth, M. and Sfienti, C. and \v{S}irca, S. and Tang, L. and Thiel, M. and Tsukada, K. and Weber, A. and Yoshida, K.}, year = {2015}, pages = {232501-1-232501-5}, DOI = {10.1103/PhysRevLett.114.232501}, keywords = {Electron Scattering, Hypernuclei, MAMI, KAOS, Decay-Pion Spectroscopy}, journal = {Physical Review Letters}, doi = {10.1103/PhysRevLett.114.232501}, volume = {114}, issn = {0031-9007}, title = {Observation of (\_Λ\^{}4)H Hyperhydrogen by Decay-Pion Spectroscopy in Electron Scattering}, keyword = {Electron Scattering, Hypernuclei, MAMI, KAOS, Decay-Pion Spectroscopy} }
@article{article, author = {Esser, A. and Nagao, S. and Schulz, F. and Achenbach, P. and Ayerbe Gayoso, C. and B\"{o}hm, R. and Borodina, O. and Bosnar, Damir and Bozkurt, V. and Debenjak, L. and Distler, M. O. and Fri\v{s}\v{c}i\'{c}, Ivica and Fujii, Y. and Gogami, T. and Hashimoto, O. and Hirose, S. and Kanda, H. and Kaneta, M. and Kim, E. and Kohl, Y. and Kusaka, J. and Margaryan, A. and Merkel, H. and Mihovilovi\v{c}, M. and M\"{u}ller, U. and Nakamura, S. N. and Pochodzalla, J. and Rappold, C. and Reinhold, J. and Saito, T. R. and Sanchez Lorente, A. and S\'{a}nchez Majos, S. and Schlimme, B. S. and Schoth, M. and Sfienti, C. and \v{S}irca, S. and Tang, L. and Thiel, M. and Tsukada, K. and Weber, A. and Yoshida, K.}, year = {2015}, pages = {232501-1-232501-5}, DOI = {10.1103/PhysRevLett.114.232501}, keywords = {Electron Scattering, Hypernuclei, MAMI, KAOS, Decay-Pion Spectroscopy}, journal = {Physical Review Letters}, doi = {10.1103/PhysRevLett.114.232501}, volume = {114}, issn = {0031-9007}, title = {Observation of (\_Λ\^{}4)H Hyperhydrogen by Decay-Pion Spectroscopy in Electron Scattering}, keyword = {Electron Scattering, Hypernuclei, MAMI, KAOS, Decay-Pion Spectroscopy} }

Časopis indeksira:


  • Current Contents Connect (CCC)
  • Web of Science Core Collection (WoSCC)
    • Science Citation Index Expanded (SCI-EXP)
    • SCI-EXP, SSCI i/ili A&HCI
  • Scopus
  • MEDLINE
  • Nature Index

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