2010
DOI: 10.1140/epjc/s10052-010-1328-0
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Inclusive production of charged kaons in p+p collisions at 158 GeV/c beam momentum and a new evaluation of the energy dependence of kaon production up to collider energies

Abstract: New data on the production of charged kaons in p + p interactions are presented. The data come from a sample of 4.8 million inelastic events obtained with the NA49 detector at the CERN SPS at 158 GeV/c beam momentum. The kaons are identified by energy loss in a large TPC tracking system. Inclusive invariant cross sections are obtained in intervals from 0 to 1.7 GeV/c in transverse momentum and from 0 to 0.5 in Feynman x. Using these data as a reference, a new evaluation of the energy dependence of kaon product… Show more

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Cited by 71 publications
(88 citation statements)
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“…Assuming independence of all systematic error sources, the total systematic uncertainty was calculated as the square root of the sum of squares of the described components. Production of positive and negative pions, kaons and protons in p + p interactions at 158 GeV/c was measured before by the NA49 experiment [11][12][13]. Comparison of NA61/SHINE and NA49 rapidity distributions is presented in Fig.…”
Section: Systematic Uncertaintiesmentioning
confidence: 99%
See 1 more Smart Citation
“…Assuming independence of all systematic error sources, the total systematic uncertainty was calculated as the square root of the sum of squares of the described components. Production of positive and negative pions, kaons and protons in p + p interactions at 158 GeV/c was measured before by the NA49 experiment [11][12][13]. Comparison of NA61/SHINE and NA49 rapidity distributions is presented in Fig.…”
Section: Systematic Uncertaintiesmentioning
confidence: 99%
“…Results on identified hadron spectra, fluctuations and correlations are mostly missing. Detailed measurements of hadron spectra in a large acceptance in the beam momentum range covered by the data in this paper exist only from the NA49 experiment for inelastic p + p interactions at 158 GeV/c [11][12][13]. Thus new high precision measurements of hadron production properties in p + p and p + A interactions are essential.…”
Section: Introductionmentioning
confidence: 99%
“…Many needed results on hadron spectra, fluctuations and correlations are missing. Detailed measurements of hadron spectra in a large acceptance in the beam momentum range covered by the data presented in this paper exist only for inelastic p+p interactions at 158 GeV/c [11][12][13]. Thus the new high precision measurements of hadron production properties in p+p and p+A interactions are necessary and they are performed in parallel with the corresponding measurements in nucleus-nucleus collisions.…”
Section: Introductionmentioning
confidence: 99%
“…Table 6.1 shows the size of the errors for the (x F , p T ) bins. Tracking efficiency uncertainty [119] and the errors on the correction factors presented in section 6.10 are quite small [129].…”
Section: Systematic Errorsmentioning
confidence: 92%
“…The pp data offer a high statistics test sample as the number of collected events is 10 times larger than in the case of the pC run. NA49 official results on kaon production cross sections in pp have just been made available in [129] and are under journal referee review. pp is desirable and can be checked at least for pions that are abundant also in the pC sample.…”
Section: Correlation Of Calibration Parameters In Pc and Pp Datamentioning
confidence: 99%