Subthreshold K--meson production in proton-nucleus reactions revisited
Abstract: We study the inclusive K--meson production in proton-nucleus collisions in the subthreshold energy regime in the framework of a spectral function approach for incoherent primary proton-nucleon and secondary pion-nucleon production processes. Our approach takes properly into account the eff...
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Englisch |
| Erschienen: |
2003 |
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8 |
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Springer Online Journal Archives 1860-2002 |
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in: The European physical journal - 1998, 17(2003) vom: Jan., Seite 145-152 |
| Übergeordnetes Werk: |
volume:17 ; year:2003 ; month:01 ; pages:145-152 ; extent:8 |
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| 520 | |a Abstract: We study the inclusive K--meson production in proton-nucleus collisions in the subthreshold energy regime in the framework of a spectral function approach for incoherent primary proton-nucleon and secondary pion-nucleon production processes. Our approach takes properly into account the effect of the nuclear mean-field potentials on these processes, as well as the final-state interaction (FSI) among the outgoing nucleons participating in the one-step antikaon creation process. A detailed comparison of the model calculations of the K- differential cross-sections for the reactions p + 9Be, p + 63Cu, and p + 197Au at subthreshold energies with the currently available experimental data obtained recently at the ITEP proton synchrotron and at SIS/GSI is given. We find that our calculation, which includes both the nuclear density-dependent mean-field potentials and the elementary NN-FSI effects on the K- production from the direct mechanism, is able to reproduce the energy dependences of the invariant differential cross-sections for the “hard” antikaon creation in p- 9Be and p- 63Cu collisions. This result contradicts previous estimates which used only density-dependent mean fields in calculating the K- yield from this mechanism. We further show that the NN-FSI effects play a minor role in describing the data on the spectrum of the relatively soft K--mesons from p- 197Au interactions at incident energy of 2.5GeV. We find that the relative strength of the proton- and pion-induced reaction channels in the subthreshold energy regime is governed by the kinematics of the experiment under consideration. We also explore the influence of the antikaon mean-field potential on the K- yield at low antikaon momenta. | ||
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(DE-627)NLEJ198906587 DE-627 ger DE-627 rakwb eng Subthreshold K--meson production in proton-nucleus reactions revisited 2003 8 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Abstract: We study the inclusive K--meson production in proton-nucleus collisions in the subthreshold energy regime in the framework of a spectral function approach for incoherent primary proton-nucleon and secondary pion-nucleon production processes. Our approach takes properly into account the effect of the nuclear mean-field potentials on these processes, as well as the final-state interaction (FSI) among the outgoing nucleons participating in the one-step antikaon creation process. A detailed comparison of the model calculations of the K- differential cross-sections for the reactions p + 9Be, p + 63Cu, and p + 197Au at subthreshold energies with the currently available experimental data obtained recently at the ITEP proton synchrotron and at SIS/GSI is given. We find that our calculation, which includes both the nuclear density-dependent mean-field potentials and the elementary NN-FSI effects on the K- production from the direct mechanism, is able to reproduce the energy dependences of the invariant differential cross-sections for the “hard” antikaon creation in p- 9Be and p- 63Cu collisions. This result contradicts previous estimates which used only density-dependent mean fields in calculating the K- yield from this mechanism. We further show that the NN-FSI effects play a minor role in describing the data on the spectrum of the relatively soft K--mesons from p- 197Au interactions at incident energy of 2.5GeV. We find that the relative strength of the proton- and pion-induced reaction channels in the subthreshold energy regime is governed by the kinematics of the experiment under consideration. We also explore the influence of the antikaon mean-field potential on the K- yield at low antikaon momenta. Springer Online Journal Archives 1860-2002 Paryev, E.Ya. oth in The European physical journal 1998 17(2003) vom: Jan., Seite 145-152 (DE-627)NLEJ188987754 (DE-600)1459066-9 1434-601X nnns volume:17 year:2003 month:01 pages:145-152 extent:8 http://dx.doi.org/10.1140/epja/i2001-10272-2 GBV_USEFLAG_U ZDB-1-SOJ GBV_NL_ARTICLE AR 17 2003 1 145-152 8 |
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(DE-627)NLEJ198906587 DE-627 ger DE-627 rakwb eng Subthreshold K--meson production in proton-nucleus reactions revisited 2003 8 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Abstract: We study the inclusive K--meson production in proton-nucleus collisions in the subthreshold energy regime in the framework of a spectral function approach for incoherent primary proton-nucleon and secondary pion-nucleon production processes. Our approach takes properly into account the effect of the nuclear mean-field potentials on these processes, as well as the final-state interaction (FSI) among the outgoing nucleons participating in the one-step antikaon creation process. A detailed comparison of the model calculations of the K- differential cross-sections for the reactions p + 9Be, p + 63Cu, and p + 197Au at subthreshold energies with the currently available experimental data obtained recently at the ITEP proton synchrotron and at SIS/GSI is given. We find that our calculation, which includes both the nuclear density-dependent mean-field potentials and the elementary NN-FSI effects on the K- production from the direct mechanism, is able to reproduce the energy dependences of the invariant differential cross-sections for the “hard” antikaon creation in p- 9Be and p- 63Cu collisions. This result contradicts previous estimates which used only density-dependent mean fields in calculating the K- yield from this mechanism. We further show that the NN-FSI effects play a minor role in describing the data on the spectrum of the relatively soft K--mesons from p- 197Au interactions at incident energy of 2.5GeV. We find that the relative strength of the proton- and pion-induced reaction channels in the subthreshold energy regime is governed by the kinematics of the experiment under consideration. We also explore the influence of the antikaon mean-field potential on the K- yield at low antikaon momenta. Springer Online Journal Archives 1860-2002 Paryev, E.Ya. oth in The European physical journal 1998 17(2003) vom: Jan., Seite 145-152 (DE-627)NLEJ188987754 (DE-600)1459066-9 1434-601X nnns volume:17 year:2003 month:01 pages:145-152 extent:8 http://dx.doi.org/10.1140/epja/i2001-10272-2 GBV_USEFLAG_U ZDB-1-SOJ GBV_NL_ARTICLE AR 17 2003 1 145-152 8 |
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(DE-627)NLEJ198906587 DE-627 ger DE-627 rakwb eng Subthreshold K--meson production in proton-nucleus reactions revisited 2003 8 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Abstract: We study the inclusive K--meson production in proton-nucleus collisions in the subthreshold energy regime in the framework of a spectral function approach for incoherent primary proton-nucleon and secondary pion-nucleon production processes. Our approach takes properly into account the effect of the nuclear mean-field potentials on these processes, as well as the final-state interaction (FSI) among the outgoing nucleons participating in the one-step antikaon creation process. A detailed comparison of the model calculations of the K- differential cross-sections for the reactions p + 9Be, p + 63Cu, and p + 197Au at subthreshold energies with the currently available experimental data obtained recently at the ITEP proton synchrotron and at SIS/GSI is given. We find that our calculation, which includes both the nuclear density-dependent mean-field potentials and the elementary NN-FSI effects on the K- production from the direct mechanism, is able to reproduce the energy dependences of the invariant differential cross-sections for the “hard” antikaon creation in p- 9Be and p- 63Cu collisions. This result contradicts previous estimates which used only density-dependent mean fields in calculating the K- yield from this mechanism. We further show that the NN-FSI effects play a minor role in describing the data on the spectrum of the relatively soft K--mesons from p- 197Au interactions at incident energy of 2.5GeV. We find that the relative strength of the proton- and pion-induced reaction channels in the subthreshold energy regime is governed by the kinematics of the experiment under consideration. We also explore the influence of the antikaon mean-field potential on the K- yield at low antikaon momenta. Springer Online Journal Archives 1860-2002 Paryev, E.Ya. oth in The European physical journal 1998 17(2003) vom: Jan., Seite 145-152 (DE-627)NLEJ188987754 (DE-600)1459066-9 1434-601X nnns volume:17 year:2003 month:01 pages:145-152 extent:8 http://dx.doi.org/10.1140/epja/i2001-10272-2 GBV_USEFLAG_U ZDB-1-SOJ GBV_NL_ARTICLE AR 17 2003 1 145-152 8 |
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(DE-627)NLEJ198906587 DE-627 ger DE-627 rakwb eng Subthreshold K--meson production in proton-nucleus reactions revisited 2003 8 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Abstract: We study the inclusive K--meson production in proton-nucleus collisions in the subthreshold energy regime in the framework of a spectral function approach for incoherent primary proton-nucleon and secondary pion-nucleon production processes. Our approach takes properly into account the effect of the nuclear mean-field potentials on these processes, as well as the final-state interaction (FSI) among the outgoing nucleons participating in the one-step antikaon creation process. A detailed comparison of the model calculations of the K- differential cross-sections for the reactions p + 9Be, p + 63Cu, and p + 197Au at subthreshold energies with the currently available experimental data obtained recently at the ITEP proton synchrotron and at SIS/GSI is given. We find that our calculation, which includes both the nuclear density-dependent mean-field potentials and the elementary NN-FSI effects on the K- production from the direct mechanism, is able to reproduce the energy dependences of the invariant differential cross-sections for the “hard” antikaon creation in p- 9Be and p- 63Cu collisions. This result contradicts previous estimates which used only density-dependent mean fields in calculating the K- yield from this mechanism. We further show that the NN-FSI effects play a minor role in describing the data on the spectrum of the relatively soft K--mesons from p- 197Au interactions at incident energy of 2.5GeV. We find that the relative strength of the proton- and pion-induced reaction channels in the subthreshold energy regime is governed by the kinematics of the experiment under consideration. We also explore the influence of the antikaon mean-field potential on the K- yield at low antikaon momenta. Springer Online Journal Archives 1860-2002 Paryev, E.Ya. oth in The European physical journal 1998 17(2003) vom: Jan., Seite 145-152 (DE-627)NLEJ188987754 (DE-600)1459066-9 1434-601X nnns volume:17 year:2003 month:01 pages:145-152 extent:8 http://dx.doi.org/10.1140/epja/i2001-10272-2 GBV_USEFLAG_U ZDB-1-SOJ GBV_NL_ARTICLE AR 17 2003 1 145-152 8 |
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(DE-627)NLEJ198906587 DE-627 ger DE-627 rakwb eng Subthreshold K--meson production in proton-nucleus reactions revisited 2003 8 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Abstract: We study the inclusive K--meson production in proton-nucleus collisions in the subthreshold energy regime in the framework of a spectral function approach for incoherent primary proton-nucleon and secondary pion-nucleon production processes. Our approach takes properly into account the effect of the nuclear mean-field potentials on these processes, as well as the final-state interaction (FSI) among the outgoing nucleons participating in the one-step antikaon creation process. A detailed comparison of the model calculations of the K- differential cross-sections for the reactions p + 9Be, p + 63Cu, and p + 197Au at subthreshold energies with the currently available experimental data obtained recently at the ITEP proton synchrotron and at SIS/GSI is given. We find that our calculation, which includes both the nuclear density-dependent mean-field potentials and the elementary NN-FSI effects on the K- production from the direct mechanism, is able to reproduce the energy dependences of the invariant differential cross-sections for the “hard” antikaon creation in p- 9Be and p- 63Cu collisions. This result contradicts previous estimates which used only density-dependent mean fields in calculating the K- yield from this mechanism. We further show that the NN-FSI effects play a minor role in describing the data on the spectrum of the relatively soft K--mesons from p- 197Au interactions at incident energy of 2.5GeV. We find that the relative strength of the proton- and pion-induced reaction channels in the subthreshold energy regime is governed by the kinematics of the experiment under consideration. We also explore the influence of the antikaon mean-field potential on the K- yield at low antikaon momenta. Springer Online Journal Archives 1860-2002 Paryev, E.Ya. oth in The European physical journal 1998 17(2003) vom: Jan., Seite 145-152 (DE-627)NLEJ188987754 (DE-600)1459066-9 1434-601X nnns volume:17 year:2003 month:01 pages:145-152 extent:8 http://dx.doi.org/10.1140/epja/i2001-10272-2 GBV_USEFLAG_U ZDB-1-SOJ GBV_NL_ARTICLE AR 17 2003 1 145-152 8 |
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Abstract: We study the inclusive K--meson production in proton-nucleus collisions in the subthreshold energy regime in the framework of a spectral function approach for incoherent primary proton-nucleon and secondary pion-nucleon production processes. Our approach takes properly into account the effect of the nuclear mean-field potentials on these processes, as well as the final-state interaction (FSI) among the outgoing nucleons participating in the one-step antikaon creation process. A detailed comparison of the model calculations of the K- differential cross-sections for the reactions p + 9Be, p + 63Cu, and p + 197Au at subthreshold energies with the currently available experimental data obtained recently at the ITEP proton synchrotron and at SIS/GSI is given. We find that our calculation, which includes both the nuclear density-dependent mean-field potentials and the elementary NN-FSI effects on the K- production from the direct mechanism, is able to reproduce the energy dependences of the invariant differential cross-sections for the “hard” antikaon creation in p- 9Be and p- 63Cu collisions. This result contradicts previous estimates which used only density-dependent mean fields in calculating the K- yield from this mechanism. We further show that the NN-FSI effects play a minor role in describing the data on the spectrum of the relatively soft K--mesons from p- 197Au interactions at incident energy of 2.5GeV. We find that the relative strength of the proton- and pion-induced reaction channels in the subthreshold energy regime is governed by the kinematics of the experiment under consideration. We also explore the influence of the antikaon mean-field potential on the K- yield at low antikaon momenta. |
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Abstract: We study the inclusive K--meson production in proton-nucleus collisions in the subthreshold energy regime in the framework of a spectral function approach for incoherent primary proton-nucleon and secondary pion-nucleon production processes. Our approach takes properly into account the effect of the nuclear mean-field potentials on these processes, as well as the final-state interaction (FSI) among the outgoing nucleons participating in the one-step antikaon creation process. A detailed comparison of the model calculations of the K- differential cross-sections for the reactions p + 9Be, p + 63Cu, and p + 197Au at subthreshold energies with the currently available experimental data obtained recently at the ITEP proton synchrotron and at SIS/GSI is given. We find that our calculation, which includes both the nuclear density-dependent mean-field potentials and the elementary NN-FSI effects on the K- production from the direct mechanism, is able to reproduce the energy dependences of the invariant differential cross-sections for the “hard” antikaon creation in p- 9Be and p- 63Cu collisions. This result contradicts previous estimates which used only density-dependent mean fields in calculating the K- yield from this mechanism. We further show that the NN-FSI effects play a minor role in describing the data on the spectrum of the relatively soft K--mesons from p- 197Au interactions at incident energy of 2.5GeV. We find that the relative strength of the proton- and pion-induced reaction channels in the subthreshold energy regime is governed by the kinematics of the experiment under consideration. We also explore the influence of the antikaon mean-field potential on the K- yield at low antikaon momenta. |
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Abstract: We study the inclusive K--meson production in proton-nucleus collisions in the subthreshold energy regime in the framework of a spectral function approach for incoherent primary proton-nucleon and secondary pion-nucleon production processes. Our approach takes properly into account the effect of the nuclear mean-field potentials on these processes, as well as the final-state interaction (FSI) among the outgoing nucleons participating in the one-step antikaon creation process. A detailed comparison of the model calculations of the K- differential cross-sections for the reactions p + 9Be, p + 63Cu, and p + 197Au at subthreshold energies with the currently available experimental data obtained recently at the ITEP proton synchrotron and at SIS/GSI is given. We find that our calculation, which includes both the nuclear density-dependent mean-field potentials and the elementary NN-FSI effects on the K- production from the direct mechanism, is able to reproduce the energy dependences of the invariant differential cross-sections for the “hard” antikaon creation in p- 9Be and p- 63Cu collisions. This result contradicts previous estimates which used only density-dependent mean fields in calculating the K- yield from this mechanism. We further show that the NN-FSI effects play a minor role in describing the data on the spectrum of the relatively soft K--mesons from p- 197Au interactions at incident energy of 2.5GeV. We find that the relative strength of the proton- and pion-induced reaction channels in the subthreshold energy regime is governed by the kinematics of the experiment under consideration. We also explore the influence of the antikaon mean-field potential on the K- yield at low antikaon momenta. |
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<?xml version="1.0" encoding="UTF-8"?><collection xmlns="http://www.loc.gov/MARC21/slim"><record><leader>01000caa a22002652 4500</leader><controlfield tag="001">NLEJ198906587</controlfield><controlfield tag="003">DE-627</controlfield><controlfield tag="005">20210706011316.0</controlfield><controlfield tag="007">cr uuu---uuuuu</controlfield><controlfield tag="008">070527s2003 xx |||||o 00| ||eng c</controlfield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(DE-627)NLEJ198906587</subfield></datafield><datafield tag="040" ind1=" " ind2=" "><subfield code="a">DE-627</subfield><subfield code="b">ger</subfield><subfield code="c">DE-627</subfield><subfield code="e">rakwb</subfield></datafield><datafield tag="041" ind1=" " ind2=" "><subfield code="a">eng</subfield></datafield><datafield tag="245" ind1="1" ind2="0"><subfield code="a">Subthreshold K--meson production in proton-nucleus reactions revisited</subfield></datafield><datafield tag="264" ind1=" " ind2="1"><subfield code="c">2003</subfield></datafield><datafield tag="300" ind1=" " ind2=" "><subfield code="a">8</subfield></datafield><datafield tag="336" ind1=" " ind2=" "><subfield code="a">nicht spezifiziert</subfield><subfield code="b">zzz</subfield><subfield code="2">rdacontent</subfield></datafield><datafield tag="337" ind1=" " ind2=" "><subfield code="a">nicht spezifiziert</subfield><subfield code="b">z</subfield><subfield code="2">rdamedia</subfield></datafield><datafield tag="338" ind1=" " ind2=" "><subfield code="a">nicht spezifiziert</subfield><subfield code="b">zu</subfield><subfield code="2">rdacarrier</subfield></datafield><datafield tag="520" ind1=" " ind2=" "><subfield code="a">Abstract: We study the inclusive K--meson production in proton-nucleus collisions in the subthreshold energy regime in the framework of a spectral function approach for incoherent primary proton-nucleon and secondary pion-nucleon production processes. Our approach takes properly into account the effect of the nuclear mean-field potentials on these processes, as well as the final-state interaction (FSI) among the outgoing nucleons participating in the one-step antikaon creation process. A detailed comparison of the model calculations of the K- differential cross-sections for the reactions p + 9Be, p + 63Cu, and p + 197Au at subthreshold energies with the currently available experimental data obtained recently at the ITEP proton synchrotron and at SIS/GSI is given. We find that our calculation, which includes both the nuclear density-dependent mean-field potentials and the elementary NN-FSI effects on the K- production from the direct mechanism, is able to reproduce the energy dependences of the invariant differential cross-sections for the “hard” antikaon creation in p- 9Be and p- 63Cu collisions. This result contradicts previous estimates which used only density-dependent mean fields in calculating the K- yield from this mechanism. We further show that the NN-FSI effects play a minor role in describing the data on the spectrum of the relatively soft K--mesons from p- 197Au interactions at incident energy of 2.5GeV. We find that the relative strength of the proton- and pion-induced reaction channels in the subthreshold energy regime is governed by the kinematics of the experiment under consideration. We also explore the influence of the antikaon mean-field potential on the K- yield at low antikaon momenta.</subfield></datafield><datafield tag="533" ind1=" " ind2=" "><subfield code="f">Springer Online Journal Archives 1860-2002</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Paryev, E.Ya.</subfield><subfield code="4">oth</subfield></datafield><datafield tag="773" ind1="0" ind2="8"><subfield code="i">in</subfield><subfield code="t">The European physical journal</subfield><subfield code="d">1998</subfield><subfield code="g">17(2003) vom: Jan., Seite 145-152</subfield><subfield code="w">(DE-627)NLEJ188987754</subfield><subfield code="w">(DE-600)1459066-9</subfield><subfield code="x">1434-601X</subfield><subfield code="7">nnns</subfield></datafield><datafield tag="773" ind1="1" ind2="8"><subfield code="g">volume:17</subfield><subfield code="g">year:2003</subfield><subfield code="g">month:01</subfield><subfield code="g">pages:145-152</subfield><subfield code="g">extent:8</subfield></datafield><datafield tag="856" ind1="4" ind2="0"><subfield code="u">http://dx.doi.org/10.1140/epja/i2001-10272-2</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_USEFLAG_U</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">ZDB-1-SOJ</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_NL_ARTICLE</subfield></datafield><datafield tag="951" ind1=" " ind2=" "><subfield code="a">AR</subfield></datafield><datafield tag="952" ind1=" " ind2=" "><subfield code="d">17</subfield><subfield code="j">2003</subfield><subfield code="c">1</subfield><subfield code="h">145-152</subfield><subfield code="g">8</subfield></datafield></record></collection>
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