Measurement of the pp cross sections in the momentum range 0.9–2.0 GeV/c

Shimizu, Fujio; Kubota, Yuki; Koiso, H.; Sai, F.; Sakamoto, Shinichi; Yamamoto, Sukeyasu S.

doi:10.1016/0375-9474(82)90037-9

Cited by 161 publications

(112 citation statements)

References 28 publications

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“…[2] in connection with the isospin decomposition of two-pion production data. It is in good agreement with previous bubblechamber data from KEK [6], however, a factor of five larger than predicted by the Valencia calculations [1]. This huge discrepancy was the primary reason to introduce the excitation of a higher-lying Δ state as a possible explanation in ref.…”

Section: Resultssupporting

confidence: 90%

“…Though it is only the M π + π + and δ π + π + distributions, which per se can clearly discriminate between ΔΔ (dotted) and Δ(1600)P 33 excitation, the latter one still provides a preferable description (solid lines in figs. [4][5][6] in all observables.…”

Section: Resultsmentioning

confidence: 99%

“…Note that background originating from other single-and double-pion production processes is still much lower than that originating from the pp → pnπ + reaction. [6,7]. The arrow gives the upper limit obtained at COSY-TOF [8] The efficiency and acceptance correction of the full data has been performed with Monte Carlo simulations of the detector setup and performance.…”

Section: Methodsmentioning

confidence: 99%

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Exclusive measurement of the pp → nnπ+π+ reaction at 1.1 GeV

et al. 2011

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First exclusive data for the pp → nnπ + π + reaction have been obtained at CELSIUS with the WASA detector setup at a beam energy of Tp = 1.1 GeV. Total and differential cross sections disagree with theoretical calculations, which predict the ∆∆ excitation to be the dominant process at this beam energy. Instead the data require the excitation of a higher-lying ∆ state, most likely the ∆(1600), to be the leading process.

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Section: Resultssupporting

confidence: 90%

Section: Resultsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

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Exclusive measurement of the pp → nnπ+π+ reaction at 1.1 GeV

et al. 2011

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“…We here use pp → dπ + π 0 data from Refs. [25,[27][28][29], pn → dπ + π − data from Refs. [25,29,30], and pn → dπ 0 π 0 data from Refs.…”

Section: Dn1n2 →Dππ Processesmentioning

confidence: 99%

Alternative formation model for antideuterons from dark matter

Dal

Raklev

2015

Phys. Rev. D

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Antideuterons are a potential messenger for dark matter annihilation or decay in our own galaxy, with very low backgrounds expected from astrophysical processes. The standard coalescence model of antideuteron formation, while simple to implement, is shown to be under considerable strain by recent data from the LHC. We suggest a new empirically based model, with only one free parameter, which is better able to cope with these data, and we explore the consequences of the model for dark matter searches.

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“…The total cross sections for the two-pion production pp → ppπ 0 π 0 and pp → pnπ 0 π + (quoted from Ref. [25]) shown together with the previously existing data in the intermediate energy region [26]. The curves represent theoretical predictions [27].…”

mentioning

confidence: 96%