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Measurement of K-p radiative capture to γΛ and γΣ0 for pK- between 514 and 750 MeV/c

Sergey Prakhov, Pieter Vancraeyveld UGent, N Phaisangittisakul, BMK Nefkens, V Bekrenev, WJ Briscoe, Lesley De Cruz UGent, D Isenhower, N Knecht, A Koulbardis, et al. (2010) PHYSICAL REVIEW C. 82(1).
abstract
Differential cross sections for K- radiative capture in flight on the proton, leading to the γΛ and γΣ0 final states, have been measured at eight K- momenta between 514 and 750 MeV/c. The data were obtained with the Crystal Ball multiphoton spectrometer installed at the separated K/π beam line C6 of the BNL Alternating Gradient Synchrotron. The results substantially improve the existing experimental data available for studying radiative decays of excited hyperon states. An exploratory theoretical analysis is performed within the Regge-plus-resonance approach. According to this analysis, the γΣ0 final state is dominated by hyperon-resonance exchange and hints at an important role for a resonance in the mass region of 1700 MeV. In the γΛ final state, in contrast, the resonant contributions account for only half the strength, and the data suggest the importance of a resonance in the mass region of 1550 MeV.
Please use this url to cite or link to this publication:
author
organization
alternative title
Measurement of K- p radiative capture to gamma Lambda and gamma Sigma(0) for p(K)- between 514 and 750 MeV/c
year
type
journalArticle (original)
publication status
published
subject
keyword
HYPERON RESONANCES, CONSISTENT, PROTON, KAON PHOTOPRODUCTION
journal title
PHYSICAL REVIEW C
Phys. Rev. C
volume
82
issue
1
article number
015201
pages
10 pages
Web of Science type
Article
Web of Science id
000279940200004
JCR category
PHYSICS, NUCLEAR
JCR impact factor
3.416 (2010)
JCR rank
3/21 (2010)
JCR quartile
1 (2010)
ISSN
0556-2813
DOI
10.1103/PhysRevC.82.015201
project
HPC-UGent: the central High Performance Computing infrastructure of Ghent University
language
English
UGent publication?
yes
classification
A1
copyright statement
I have transferred the copyright for this publication to the publisher
id
1013665
handle
http://hdl.handle.net/1854/LU-1013665
date created
2010-07-16 20:24:24
date last changed
2016-12-21 15:42:39
@article{1013665,
  abstract     = {Differential cross sections for K-  radiative capture in flight on the proton, leading to the \ensuremath{\gamma}\ensuremath{\Lambda}  and \ensuremath{\gamma}\ensuremath{\Sigma}0 final states, have been measured at eight K-  momenta between 514 and 750 MeV/c. The data were obtained with the Crystal Ball multiphoton spectrometer installed at the separated K/\ensuremath{\pi} beam line C6 of the BNL Alternating Gradient Synchrotron. The results substantially improve the existing experimental data available for studying radiative decays of excited hyperon states. An exploratory theoretical analysis is performed within the Regge-plus-resonance approach. According to this analysis, the \ensuremath{\gamma}\ensuremath{\Sigma}0 final state is dominated by hyperon-resonance exchange and hints at an important role for a resonance in the mass region of 1700 MeV. In the \ensuremath{\gamma}\ensuremath{\Lambda}  final state, in contrast, the resonant contributions account for only half the strength, and the data suggest the importance of a resonance in the mass region of 1550 MeV.},
  articleno    = {015201},
  author       = {Prakhov, Sergey and Vancraeyveld, Pieter and Phaisangittisakul, N and Nefkens, BMK and Bekrenev, V and Briscoe, WJ and De Cruz, Lesley and Isenhower, D and Knecht, N and Koulbardis, A and Kozlenko, N and Kruglov, S and Lolos, G and Lopatin, I and Maru\v{s}i\'{c}, A and McDonald, S and Papandreou, Z and Peaslee, D and Price, JW and Ryckebusch, Jan and Sadler, M and Shafi, A and Starostin, A and Staudenmaier, HM and Strakovsky, II and Supek, I and Van Cauteren, Tim},
  issn         = {0556-2813},
  journal      = {PHYSICAL REVIEW C},
  keyword      = {HYPERON RESONANCES,CONSISTENT,PROTON,KAON PHOTOPRODUCTION},
  language     = {eng},
  number       = {1},
  pages        = {10},
  title        = {Measurement of K-p radiative capture to \ensuremath{\gamma}\ensuremath{\Lambda} and \ensuremath{\gamma}\ensuremath{\Sigma}0 for pK- between 514 and 750 MeV/c},
  url          = {http://dx.doi.org/10.1103/PhysRevC.82.015201},
  volume       = {82},
  year         = {2010},
}

Chicago
Prakhov, Sergey, Pieter Vancraeyveld, N Phaisangittisakul, BMK Nefkens, V Bekrenev, WJ Briscoe, Lesley De Cruz, et al. 2010. “Measurement of K-p Radiative Capture to γΛ and γΣ0 for pK- Between 514 and 750 MeV/c.” Physical Review C 82 (1).
APA
Prakhov, S., Vancraeyveld, P., Phaisangittisakul, N., Nefkens, B., Bekrenev, V., Briscoe, W., De Cruz, L., et al. (2010). Measurement of K-p radiative capture to γΛ and γΣ0 for pK- between 514 and 750 MeV/c. PHYSICAL REVIEW C, 82(1).
Vancouver
1.
Prakhov S, Vancraeyveld P, Phaisangittisakul N, Nefkens B, Bekrenev V, Briscoe W, et al. Measurement of K-p radiative capture to γΛ and γΣ0 for pK- between 514 and 750 MeV/c. PHYSICAL REVIEW C. 2010;82(1).
MLA
Prakhov, Sergey, Pieter Vancraeyveld, N Phaisangittisakul, et al. “Measurement of K-p Radiative Capture to γΛ and γΣ0 for pK- Between 514 and 750 MeV/c.” PHYSICAL REVIEW C 82.1 (2010): n. pag. Print.