Near threshold angular distributions for the 2H(γ, λ)X reaction

B. Beckford; P. Bydžovsky; A. Chiba; D. Doi; T. Fujii; Y. Fujii; K. Futatsukawa; T. Gogami; O. Hashimoto; Y. C. Han; K. Hirose; R. Honda; K. Hosomi; T. Ishikawa; H. Kanda; M. Kaneta; Y. Kaneko; S. Kato; D. Kawama; C. Kimura; S. Kiyokawa; T. Koike; K. Maeda; K. Makabe; M. Matsubara; K. Miwa; S. Nagao; S. N. Nakamura; A. Okuyama; K. Shirotori; K. Sugihara; K. Suzuki; T. Tamae; H. Tamura; K. Tsukada; F. Yamamoto; T. O. Yamamoto; F. Yonemoto; H. Yamazaki

doi:10.1093/ptep/ptw071

Near threshold angular distributions for the 2H(γ, λ)X reaction

B. Beckford, P. Bydžovsky, A. Chiba, D. Doi, T. Fujii, Y. Fujii, K. Futatsukawa, T. Gogami, O. Hashimoto, Y. C. Han, K. Hirose, R. Honda, K. Hosomi, T. Ishikawa, H. Kanda, M. Kaneta, Y. Kaneko, S. Kato, D. Kawama, C. KimuraS. Kiyokawa, T. Koike, K. Maeda, K. Makabe, M. Matsubara, K. Miwa, S. Nagao, S. N. Nakamura, A. Okuyama, K. Shirotori, K. Sugihara, K. Suzuki, T. Tamae, H. Tamura, K. Tsukada, F. Yamamoto, T. O. Yamamoto, F. Yonemoto, H. Yamazaki

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Abstract

A study of the ²H(γ, λ)X reaction was performed using a tagged photon beam at the Research Center for Electron Photon Science (ELPH), Tohoku University. The photoproduced λ was measured in the pφ decay channel by the upgraded Neutral Kaon Spectrometer (NKS2+). The momentum integrated differential cross section was determined as a function of the scattering angle of λ in the laboratory frame for five energy bins. Our results indicated a peak in the cross section at angles smaller than cos θ ^LAB λ = 0.96. The experimentally obtained angular distributions were compared to isobar models, Kaon-Maid (KM) and Saclay-Lyon A (SLA), in addition to the composite Regge-plus-resonance (RPR) model. Both SLA(rK₁Kγ =.1.4) and RPR describe the data quite well in contrast to the KM model, which substantially under-predicted the cross section at the most forward angles. With the anticipated finalized data on λ integrated and momentum dependent differential cross sections of ²H(γ, λ) X [M. Kaneta et al., Nucl. Phys. A 914, 69 (2013)], we present our findings on the angular distributions.

Original language	English
Article number	063D01
Journal	Progress of Theoretical and Experimental Physics
Volume	2016
Issue number	6
DOIs	https://doi.org/10.1093/ptep/ptw071
Publication status	Published - 2016 Jun

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Beckford, B., Bydžovsky, P., Chiba, A., Doi, D., Fujii, T., Fujii, Y., Futatsukawa, K., Gogami, T., Hashimoto, O., Han, Y. C., Hirose, K., Honda, R., Hosomi, K., Ishikawa, T., Kanda, H., Kaneta, M., Kaneko, Y., Kato, S., Kawama, D., ... Yamazaki, H. (2016). Near threshold angular distributions for the 2H(γ, λ)X reaction. Progress of Theoretical and Experimental Physics, 2016(6), Article 063D01. https://doi.org/10.1093/ptep/ptw071

@article{f76d4d6a8c42407582c6bf07eced7e9f,

title = "Near threshold angular distributions for the 2H(γ, λ)X reaction",

abstract = "A study of the 2H(γ, λ)X reaction was performed using a tagged photon beam at the Research Center for Electron Photon Science (ELPH), Tohoku University. The photoproduced λ was measured in the pφ decay channel by the upgraded Neutral Kaon Spectrometer (NKS2+). The momentum integrated differential cross section was determined as a function of the scattering angle of λ in the laboratory frame for five energy bins. Our results indicated a peak in the cross section at angles smaller than cos θ LAB λ = 0.96. The experimentally obtained angular distributions were compared to isobar models, Kaon-Maid (KM) and Saclay-Lyon A (SLA), in addition to the composite Regge-plus-resonance (RPR) model. Both SLA(rK1Kγ =.1.4) and RPR describe the data quite well in contrast to the KM model, which substantially under-predicted the cross section at the most forward angles. With the anticipated finalized data on λ integrated and momentum dependent differential cross sections of 2H(γ, λ) X [M. Kaneta et al., Nucl. Phys. A 914, 69 (2013)], we present our findings on the angular distributions.",

author = "B. Beckford and P. Byd{\v z}ovsky and A. Chiba and D. Doi and T. Fujii and Y. Fujii and K. Futatsukawa and T. Gogami and O. Hashimoto and Han, {Y. C.} and K. Hirose and R. Honda and K. Hosomi and T. Ishikawa and H. Kanda and M. Kaneta and Y. Kaneko and S. Kato and D. Kawama and C. Kimura and S. Kiyokawa and T. Koike and K. Maeda and K. Makabe and M. Matsubara and K. Miwa and S. Nagao and Nakamura, {S. N.} and A. Okuyama and K. Shirotori and K. Sugihara and K. Suzuki and T. Tamae and H. Tamura and K. Tsukada and F. Yamamoto and Yamamoto, {T. O.} and F. Yonemoto and H. Yamazaki",

note = "Funding Information: This work was partly supported by the JSPS Grant-in-Aid for Creative Research program (16GS0201), the JSPS Core-to-Core program (21002), and the JSPS Grant-in-Aid for Scientific Research (23540334). Publisher Copyright: {\textcopyright} 2016 The Author(s).",

year = "2016",

month = jun,

doi = "10.1093/ptep/ptw071",

language = "English",

volume = "2016",

journal = "Progress of Theoretical and Experimental Physics",

issn = "2050-3911",

publisher = "Oxford University Press",

number = "6",

}

Beckford, B, Bydžovsky, P, Chiba, A, Doi, D, Fujii, T, Fujii, Y, Futatsukawa, K, Gogami, T, Hashimoto, O, Han, YC, Hirose, K, Honda, R, Hosomi, K, Ishikawa, T, Kanda, H, Kaneta, M, Kaneko, Y, Kato, S, Kawama, D, Kimura, C, Kiyokawa, S, Koike, T, Maeda, K, Makabe, K, Matsubara, M, Miwa, K, Nagao, S, Nakamura, SN, Okuyama, A, Shirotori, K, Sugihara, K, Suzuki, K, Tamae, T, Tamura, H, Tsukada, K, Yamamoto, F, Yamamoto, TO, Yonemoto, F & Yamazaki, H 2016, 'Near threshold angular distributions for the 2H(γ, λ)X reaction', Progress of Theoretical and Experimental Physics, vol. 2016, no. 6, 063D01. https://doi.org/10.1093/ptep/ptw071

TY - JOUR

T1 - Near threshold angular distributions for the 2H(γ, λ)X reaction

AU - Beckford, B.

AU - Bydžovsky, P.

AU - Chiba, A.

AU - Doi, D.

AU - Fujii, T.

AU - Fujii, Y.

AU - Futatsukawa, K.

AU - Gogami, T.

AU - Hashimoto, O.

AU - Han, Y. C.

AU - Hirose, K.

AU - Honda, R.

AU - Hosomi, K.

AU - Ishikawa, T.

AU - Kanda, H.

AU - Kaneta, M.

AU - Kaneko, Y.

AU - Kato, S.

AU - Kawama, D.

AU - Kimura, C.

AU - Kiyokawa, S.

AU - Koike, T.

AU - Maeda, K.

AU - Makabe, K.

AU - Matsubara, M.

AU - Miwa, K.

AU - Nagao, S.

AU - Nakamura, S. N.

AU - Okuyama, A.

AU - Shirotori, K.

AU - Sugihara, K.

AU - Suzuki, K.

AU - Tamae, T.

AU - Tamura, H.

AU - Tsukada, K.

AU - Yamamoto, F.

AU - Yamamoto, T. O.

AU - Yonemoto, F.

AU - Yamazaki, H.

N1 - Funding Information: This work was partly supported by the JSPS Grant-in-Aid for Creative Research program (16GS0201), the JSPS Core-to-Core program (21002), and the JSPS Grant-in-Aid for Scientific Research (23540334). Publisher Copyright: © 2016 The Author(s).

PY - 2016/6

Y1 - 2016/6

N2 - A study of the 2H(γ, λ)X reaction was performed using a tagged photon beam at the Research Center for Electron Photon Science (ELPH), Tohoku University. The photoproduced λ was measured in the pφ decay channel by the upgraded Neutral Kaon Spectrometer (NKS2+). The momentum integrated differential cross section was determined as a function of the scattering angle of λ in the laboratory frame for five energy bins. Our results indicated a peak in the cross section at angles smaller than cos θ LAB λ = 0.96. The experimentally obtained angular distributions were compared to isobar models, Kaon-Maid (KM) and Saclay-Lyon A (SLA), in addition to the composite Regge-plus-resonance (RPR) model. Both SLA(rK1Kγ =.1.4) and RPR describe the data quite well in contrast to the KM model, which substantially under-predicted the cross section at the most forward angles. With the anticipated finalized data on λ integrated and momentum dependent differential cross sections of 2H(γ, λ) X [M. Kaneta et al., Nucl. Phys. A 914, 69 (2013)], we present our findings on the angular distributions.

AB - A study of the 2H(γ, λ)X reaction was performed using a tagged photon beam at the Research Center for Electron Photon Science (ELPH), Tohoku University. The photoproduced λ was measured in the pφ decay channel by the upgraded Neutral Kaon Spectrometer (NKS2+). The momentum integrated differential cross section was determined as a function of the scattering angle of λ in the laboratory frame for five energy bins. Our results indicated a peak in the cross section at angles smaller than cos θ LAB λ = 0.96. The experimentally obtained angular distributions were compared to isobar models, Kaon-Maid (KM) and Saclay-Lyon A (SLA), in addition to the composite Regge-plus-resonance (RPR) model. Both SLA(rK1Kγ =.1.4) and RPR describe the data quite well in contrast to the KM model, which substantially under-predicted the cross section at the most forward angles. With the anticipated finalized data on λ integrated and momentum dependent differential cross sections of 2H(γ, λ) X [M. Kaneta et al., Nucl. Phys. A 914, 69 (2013)], we present our findings on the angular distributions.

UR - http://www.scopus.com/inward/record.url?scp=84997327260&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=84997327260&partnerID=8YFLogxK

U2 - 10.1093/ptep/ptw071

DO - 10.1093/ptep/ptw071

M3 - Article

AN - SCOPUS:84997327260

SN - 2050-3911

VL - 2016

JO - Progress of Theoretical and Experimental Physics

JF - Progress of Theoretical and Experimental Physics

IS - 6

M1 - 063D01

ER -

Near threshold angular distributions for the 2H(γ, λ)X reaction

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