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001     139102
005     20250129092511.0
024 7 _ |a 10.1140/epja/i2013-13041-8
|2 doi
024 7 _ |a 1434-601X
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024 7 _ |a 1434-6001
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024 7 _ |a 1431-5831
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024 7 _ |a 2128/22806
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037 _ _ |a FZJ-2013-05110
082 _ _ |a 530
100 1 _ |a Abd El-Samad, S.
|0 P:(DE-HGF)0
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|e Corresponding author
245 _ _ |a On the ΣN cusp in the pp → pK+Λ reaction
260 _ _ |a Berlin
|c 2013
|b Springer
336 7 _ |a article
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336 7 _ |a Output Types/Journal article
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336 7 _ |a Journal Article
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336 7 _ |a ARTICLE
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336 7 _ |a JOURNAL_ARTICLE
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336 7 _ |a Journal Article
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520 _ _ |9 Springer
|a Measurements of the pp → pK (+) Λ reaction at T ( )p( ) = 2.28 GeV have been carried out at COSY-TOF. In addition to the Λp FSI and N (*) resonance excitation effects a pronounced narrow structure is observed in the Dalitz plot and in its projection on the pΛ invariant mass. The strongly asymmetric structure appears at the pp → NK (+) Σ threshold and is interpreted as the ΣN cusp effect. The observed width of about 20 MeV/c (2) is substantially broader than anticipated from previous measurements as well as theoretical predictions. Angular distributions of this cusp structure are shown to be dissimilar to those in the residual pK (+) Λ channel, but similar to those observed in the pK (+) Σ (0) channel. PDF = http://www.springerlink.com/
536 _ _ |a 531 - Hadron Structure and Dynamics (HSD) (POF2-531)
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|c POF2-531
|f POF II
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588 _ _ |a Dataset connected to CrossRef, juser.fz-juelich.de
650 _ 7 |a p Lambda: final-state interaction
|2 INSPIRE
650 _ 7 |a angular distribution
|2 INSPIRE
650 _ 7 |a nucleon resonance
|2 INSPIRE
650 _ 7 |a nucleon Sigma: cusp effect
|2 INSPIRE
650 _ 7 |a Dalitz plot
|2 INSPIRE
650 _ 7 |a asymmetry
|2 INSPIRE
650 _ 7 |a COSY-TOF
|2 INSPIRE
650 _ 7 |a p p: exclusive reaction
|2 INSPIRE
650 _ 7 |a Lambda: hadroproduction
|2 INSPIRE
650 _ 7 |a K+: associated production
|2 INSPIRE
650 _ 7 |a channel cross section: measured
|2 INSPIRE
650 _ 7 |a experimental results
|2 INSPIRE
650 _ 7 |a Juelich COSY PS
|2 INSPIRE
650 _ 7 |a p p --> Lambda p K+
|2 INSPIRE
650 _ 7 |a 2.28 GeV-kin
|2 INSPIRE
700 1 _ |a Borodina, E.
|0 P:(DE-Juel1)131101
|b 1
700 1 _ |a Brinkmann, K. -Th.
|0 P:(DE-HGF)0
|b 2
700 1 _ |a Clement, H.
|0 P:(DE-HGF)0
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700 1 _ |a Doroshkevich, E.
|0 P:(DE-HGF)0
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700 1 _ |a Dzhygadlo, R.
|0 P:(DE-Juel1)131135
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700 1 _ |a Ehrhardt, K.
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700 1 _ |a Erhardt, A.
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700 1 _ |a Eyrich, W.
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700 1 _ |a Freiesleben, H.
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700 1 _ |a Gast, W.
|0 P:(DE-Juel1)131163
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700 1 _ |a Gillitzer, A.
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700 1 _ |a Grzonka, D.
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700 1 _ |a Hanhart, C.
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700 1 _ |a Hauenstein, F.
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700 1 _ |a Klaja, P.
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700 1 _ |a Kilian, K.
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700 1 _ |a Krapp, M.
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700 1 _ |a Ritman, J.
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700 1 _ |a Roderburg, E.
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700 1 _ |a Röder, M.
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700 1 _ |a Schulte-Wissermann, M.
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700 1 _ |a Schroeder, W.
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700 1 _ |a Sefzick, T.
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700 1 _ |a Wagner, G. J.
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700 1 _ |a Wintz, P.
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700 1 _ |a Wüstner, P.
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773 _ _ |a 10.1140/epja/i2013-13041-8
|g Vol. 49, no. 3, p. 41
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