Polarization in the quasielastic scattering of 1-GeV/c protons on light nuclei
Abstract Polarization measurements in the A(p, 2p)B reactions on 6Li, 7Li, and 28Si nuclei at a proton-beam energy of 1 GeV were performed in a kinematically complete experiment. By using a two-arm magnetic spectrometer, two secondary protons were recorded in coincidence at asymmetric scattering ang...
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E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2000 |
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10 |
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Springer Online Journal Archives 1860-2002 |
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| Übergeordnetes Werk: |
in: Physics of atomic nuclei - 1993, 63(2000) vom: Mai, Seite 824-833 |
| Übergeordnetes Werk: |
volume:63 ; year:2000 ; month:05 ; pages:824-833 ; extent:10 |
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NLEJ198759177 |
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| 520 | |a Abstract Polarization measurements in the A(p, 2p)B reactions on 6Li, 7Li, and 28Si nuclei at a proton-beam energy of 1 GeV were performed in a kinematically complete experiment. By using a two-arm magnetic spectrometer, two secondary protons were recorded in coincidence at asymmetric scattering angles of θ1=15°−26° and θ2=58.6° for residual-nucleus momenta in the range K B=0–150 MeV/c. Either arm of the spectrometer was equipped with polarimeters based on proportional chambers. The data coming from this experiment are analyzed within the distorted-wave impulse approximation. It is shown that the polarization of recoil protons formed at angle θ2 in the interaction featuring a proton from the P shell of the 7Li nucleus can be described under the assumption of an effective intranuclear-proton polarization by using the single-particle shell-model wave function of the nucleus. Our data on the polarizations of the two protons from the reaction (p, 2p) on a 28Si nucleus also suggest the effective polarization of the protons in the D shell of the 28Si nucleus. It is found that, for high recoil-nucleus momenta of K B≥90 MeV/c, the effective polarization of the protons in the P shell of the 6Li nucleus—this polarization was discovered in studying the polarization of recoil protons in the reaction 6Li(p, 2p)5He—cannot be described within the shell model assuming LS coupling. As might have been expected, the polarization of recoil protons knocked out from the S shells of the 6Li and 7Li nuclei comply well with the predictions obtained in the impulse approximation with allowance for the depolarization effect alone. | ||
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| 700 | 1 | |a Belostotski, S. L. |4 oth | |
| 700 | 1 | |a Grebenyuk, O. G. |4 oth | |
| 700 | 1 | |a Fedorov, O. Ya. |4 oth | |
| 700 | 1 | |a Izotov, A. A. |4 oth | |
| 700 | 1 | |a Kisselev, A. Yu. |4 oth | |
| 700 | 1 | |a Naryshkin, Yu. G. |4 oth | |
| 700 | 1 | |a Nelyubin, V. V. |4 oth | |
| 700 | 1 | |a Prokofiev, A. N. |4 oth | |
| 700 | 1 | |a Prokofiev, D. A. |4 oth | |
| 700 | 1 | |a Shcheglov, Yu. A. |4 oth | |
| 700 | 1 | |a Shvedchikov, A. V. |4 oth | |
| 700 | 1 | |a Vikhrov, V. V. |4 oth | |
| 700 | 1 | |a Zhgun, A. A. |4 oth | |
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(DE-627)NLEJ198759177 DE-627 ger DE-627 rakwb eng Polarization in the quasielastic scattering of 1-GeV/c protons on light nuclei 2000 10 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Abstract Polarization measurements in the A(p, 2p)B reactions on 6Li, 7Li, and 28Si nuclei at a proton-beam energy of 1 GeV were performed in a kinematically complete experiment. By using a two-arm magnetic spectrometer, two secondary protons were recorded in coincidence at asymmetric scattering angles of θ1=15°−26° and θ2=58.6° for residual-nucleus momenta in the range K B=0–150 MeV/c. Either arm of the spectrometer was equipped with polarimeters based on proportional chambers. The data coming from this experiment are analyzed within the distorted-wave impulse approximation. It is shown that the polarization of recoil protons formed at angle θ2 in the interaction featuring a proton from the P shell of the 7Li nucleus can be described under the assumption of an effective intranuclear-proton polarization by using the single-particle shell-model wave function of the nucleus. Our data on the polarizations of the two protons from the reaction (p, 2p) on a 28Si nucleus also suggest the effective polarization of the protons in the D shell of the 28Si nucleus. It is found that, for high recoil-nucleus momenta of K B≥90 MeV/c, the effective polarization of the protons in the P shell of the 6Li nucleus—this polarization was discovered in studying the polarization of recoil protons in the reaction 6Li(p, 2p)5He—cannot be described within the shell model assuming LS coupling. As might have been expected, the polarization of recoil protons knocked out from the S shells of the 6Li and 7Li nuclei comply well with the predictions obtained in the impulse approximation with allowance for the depolarization effect alone. Springer Online Journal Archives 1860-2002 Miklukho, O. V. oth Aleshin, N. P. oth Belostotski, S. L. oth Grebenyuk, O. G. oth Fedorov, O. Ya. oth Izotov, A. A. oth Kisselev, A. Yu. oth Naryshkin, Yu. G. oth Nelyubin, V. V. oth Prokofiev, A. N. oth Prokofiev, D. A. oth Shcheglov, Yu. A. oth Shvedchikov, A. V. oth Vikhrov, V. V. oth Zhgun, A. A. oth Zhdanov, A. A. oth in Physics of atomic nuclei 1993 63(2000) vom: Mai, Seite 824-833 (DE-627)NLEJ188994602 (DE-600)2006377-5 1063-7788 nnns volume:63 year:2000 month:05 pages:824-833 extent:10 http://dx.doi.org/10.1134/1.855712 GBV_USEFLAG_U ZDB-1-SOJ GBV_NL_ARTICLE AR 63 2000 5 824-833 10 |
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(DE-627)NLEJ198759177 DE-627 ger DE-627 rakwb eng Polarization in the quasielastic scattering of 1-GeV/c protons on light nuclei 2000 10 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Abstract Polarization measurements in the A(p, 2p)B reactions on 6Li, 7Li, and 28Si nuclei at a proton-beam energy of 1 GeV were performed in a kinematically complete experiment. By using a two-arm magnetic spectrometer, two secondary protons were recorded in coincidence at asymmetric scattering angles of θ1=15°−26° and θ2=58.6° for residual-nucleus momenta in the range K B=0–150 MeV/c. Either arm of the spectrometer was equipped with polarimeters based on proportional chambers. The data coming from this experiment are analyzed within the distorted-wave impulse approximation. It is shown that the polarization of recoil protons formed at angle θ2 in the interaction featuring a proton from the P shell of the 7Li nucleus can be described under the assumption of an effective intranuclear-proton polarization by using the single-particle shell-model wave function of the nucleus. Our data on the polarizations of the two protons from the reaction (p, 2p) on a 28Si nucleus also suggest the effective polarization of the protons in the D shell of the 28Si nucleus. It is found that, for high recoil-nucleus momenta of K B≥90 MeV/c, the effective polarization of the protons in the P shell of the 6Li nucleus—this polarization was discovered in studying the polarization of recoil protons in the reaction 6Li(p, 2p)5He—cannot be described within the shell model assuming LS coupling. As might have been expected, the polarization of recoil protons knocked out from the S shells of the 6Li and 7Li nuclei comply well with the predictions obtained in the impulse approximation with allowance for the depolarization effect alone. Springer Online Journal Archives 1860-2002 Miklukho, O. V. oth Aleshin, N. P. oth Belostotski, S. L. oth Grebenyuk, O. G. oth Fedorov, O. Ya. oth Izotov, A. A. oth Kisselev, A. Yu. oth Naryshkin, Yu. G. oth Nelyubin, V. V. oth Prokofiev, A. N. oth Prokofiev, D. A. oth Shcheglov, Yu. A. oth Shvedchikov, A. V. oth Vikhrov, V. V. oth Zhgun, A. A. oth Zhdanov, A. A. oth in Physics of atomic nuclei 1993 63(2000) vom: Mai, Seite 824-833 (DE-627)NLEJ188994602 (DE-600)2006377-5 1063-7788 nnns volume:63 year:2000 month:05 pages:824-833 extent:10 http://dx.doi.org/10.1134/1.855712 GBV_USEFLAG_U ZDB-1-SOJ GBV_NL_ARTICLE AR 63 2000 5 824-833 10 |
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(DE-627)NLEJ198759177 DE-627 ger DE-627 rakwb eng Polarization in the quasielastic scattering of 1-GeV/c protons on light nuclei 2000 10 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Abstract Polarization measurements in the A(p, 2p)B reactions on 6Li, 7Li, and 28Si nuclei at a proton-beam energy of 1 GeV were performed in a kinematically complete experiment. By using a two-arm magnetic spectrometer, two secondary protons were recorded in coincidence at asymmetric scattering angles of θ1=15°−26° and θ2=58.6° for residual-nucleus momenta in the range K B=0–150 MeV/c. Either arm of the spectrometer was equipped with polarimeters based on proportional chambers. The data coming from this experiment are analyzed within the distorted-wave impulse approximation. It is shown that the polarization of recoil protons formed at angle θ2 in the interaction featuring a proton from the P shell of the 7Li nucleus can be described under the assumption of an effective intranuclear-proton polarization by using the single-particle shell-model wave function of the nucleus. Our data on the polarizations of the two protons from the reaction (p, 2p) on a 28Si nucleus also suggest the effective polarization of the protons in the D shell of the 28Si nucleus. It is found that, for high recoil-nucleus momenta of K B≥90 MeV/c, the effective polarization of the protons in the P shell of the 6Li nucleus—this polarization was discovered in studying the polarization of recoil protons in the reaction 6Li(p, 2p)5He—cannot be described within the shell model assuming LS coupling. As might have been expected, the polarization of recoil protons knocked out from the S shells of the 6Li and 7Li nuclei comply well with the predictions obtained in the impulse approximation with allowance for the depolarization effect alone. Springer Online Journal Archives 1860-2002 Miklukho, O. V. oth Aleshin, N. P. oth Belostotski, S. L. oth Grebenyuk, O. G. oth Fedorov, O. Ya. oth Izotov, A. A. oth Kisselev, A. Yu. oth Naryshkin, Yu. G. oth Nelyubin, V. V. oth Prokofiev, A. N. oth Prokofiev, D. A. oth Shcheglov, Yu. A. oth Shvedchikov, A. V. oth Vikhrov, V. V. oth Zhgun, A. A. oth Zhdanov, A. A. oth in Physics of atomic nuclei 1993 63(2000) vom: Mai, Seite 824-833 (DE-627)NLEJ188994602 (DE-600)2006377-5 1063-7788 nnns volume:63 year:2000 month:05 pages:824-833 extent:10 http://dx.doi.org/10.1134/1.855712 GBV_USEFLAG_U ZDB-1-SOJ GBV_NL_ARTICLE AR 63 2000 5 824-833 10 |
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(DE-627)NLEJ198759177 DE-627 ger DE-627 rakwb eng Polarization in the quasielastic scattering of 1-GeV/c protons on light nuclei 2000 10 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Abstract Polarization measurements in the A(p, 2p)B reactions on 6Li, 7Li, and 28Si nuclei at a proton-beam energy of 1 GeV were performed in a kinematically complete experiment. By using a two-arm magnetic spectrometer, two secondary protons were recorded in coincidence at asymmetric scattering angles of θ1=15°−26° and θ2=58.6° for residual-nucleus momenta in the range K B=0–150 MeV/c. Either arm of the spectrometer was equipped with polarimeters based on proportional chambers. The data coming from this experiment are analyzed within the distorted-wave impulse approximation. It is shown that the polarization of recoil protons formed at angle θ2 in the interaction featuring a proton from the P shell of the 7Li nucleus can be described under the assumption of an effective intranuclear-proton polarization by using the single-particle shell-model wave function of the nucleus. Our data on the polarizations of the two protons from the reaction (p, 2p) on a 28Si nucleus also suggest the effective polarization of the protons in the D shell of the 28Si nucleus. It is found that, for high recoil-nucleus momenta of K B≥90 MeV/c, the effective polarization of the protons in the P shell of the 6Li nucleus—this polarization was discovered in studying the polarization of recoil protons in the reaction 6Li(p, 2p)5He—cannot be described within the shell model assuming LS coupling. As might have been expected, the polarization of recoil protons knocked out from the S shells of the 6Li and 7Li nuclei comply well with the predictions obtained in the impulse approximation with allowance for the depolarization effect alone. Springer Online Journal Archives 1860-2002 Miklukho, O. V. oth Aleshin, N. P. oth Belostotski, S. L. oth Grebenyuk, O. G. oth Fedorov, O. Ya. oth Izotov, A. A. oth Kisselev, A. Yu. oth Naryshkin, Yu. G. oth Nelyubin, V. V. oth Prokofiev, A. N. oth Prokofiev, D. A. oth Shcheglov, Yu. A. oth Shvedchikov, A. V. oth Vikhrov, V. V. oth Zhgun, A. A. oth Zhdanov, A. A. oth in Physics of atomic nuclei 1993 63(2000) vom: Mai, Seite 824-833 (DE-627)NLEJ188994602 (DE-600)2006377-5 1063-7788 nnns volume:63 year:2000 month:05 pages:824-833 extent:10 http://dx.doi.org/10.1134/1.855712 GBV_USEFLAG_U ZDB-1-SOJ GBV_NL_ARTICLE AR 63 2000 5 824-833 10 |
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(DE-627)NLEJ198759177 DE-627 ger DE-627 rakwb eng Polarization in the quasielastic scattering of 1-GeV/c protons on light nuclei 2000 10 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Abstract Polarization measurements in the A(p, 2p)B reactions on 6Li, 7Li, and 28Si nuclei at a proton-beam energy of 1 GeV were performed in a kinematically complete experiment. By using a two-arm magnetic spectrometer, two secondary protons were recorded in coincidence at asymmetric scattering angles of θ1=15°−26° and θ2=58.6° for residual-nucleus momenta in the range K B=0–150 MeV/c. Either arm of the spectrometer was equipped with polarimeters based on proportional chambers. The data coming from this experiment are analyzed within the distorted-wave impulse approximation. It is shown that the polarization of recoil protons formed at angle θ2 in the interaction featuring a proton from the P shell of the 7Li nucleus can be described under the assumption of an effective intranuclear-proton polarization by using the single-particle shell-model wave function of the nucleus. Our data on the polarizations of the two protons from the reaction (p, 2p) on a 28Si nucleus also suggest the effective polarization of the protons in the D shell of the 28Si nucleus. It is found that, for high recoil-nucleus momenta of K B≥90 MeV/c, the effective polarization of the protons in the P shell of the 6Li nucleus—this polarization was discovered in studying the polarization of recoil protons in the reaction 6Li(p, 2p)5He—cannot be described within the shell model assuming LS coupling. As might have been expected, the polarization of recoil protons knocked out from the S shells of the 6Li and 7Li nuclei comply well with the predictions obtained in the impulse approximation with allowance for the depolarization effect alone. Springer Online Journal Archives 1860-2002 Miklukho, O. V. oth Aleshin, N. P. oth Belostotski, S. L. oth Grebenyuk, O. G. oth Fedorov, O. Ya. oth Izotov, A. A. oth Kisselev, A. Yu. oth Naryshkin, Yu. G. oth Nelyubin, V. V. oth Prokofiev, A. N. oth Prokofiev, D. A. oth Shcheglov, Yu. A. oth Shvedchikov, A. V. oth Vikhrov, V. V. oth Zhgun, A. A. oth Zhdanov, A. A. oth in Physics of atomic nuclei 1993 63(2000) vom: Mai, Seite 824-833 (DE-627)NLEJ188994602 (DE-600)2006377-5 1063-7788 nnns volume:63 year:2000 month:05 pages:824-833 extent:10 http://dx.doi.org/10.1134/1.855712 GBV_USEFLAG_U ZDB-1-SOJ GBV_NL_ARTICLE AR 63 2000 5 824-833 10 |
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Polarization in the quasielastic scattering of 1-GeV/c protons on light nuclei |
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Polarization in the quasielastic scattering of 1-GeV/c protons on light nuclei |
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Polarization in the quasielastic scattering of 1-GeV/c protons on light nuclei |
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Physics of atomic nuclei |
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polarization in the quasielastic scattering of 1-gev/c protons on light nuclei |
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Polarization in the quasielastic scattering of 1-GeV/c protons on light nuclei |
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Abstract Polarization measurements in the A(p, 2p)B reactions on 6Li, 7Li, and 28Si nuclei at a proton-beam energy of 1 GeV were performed in a kinematically complete experiment. By using a two-arm magnetic spectrometer, two secondary protons were recorded in coincidence at asymmetric scattering angles of θ1=15°−26° and θ2=58.6° for residual-nucleus momenta in the range K B=0–150 MeV/c. Either arm of the spectrometer was equipped with polarimeters based on proportional chambers. The data coming from this experiment are analyzed within the distorted-wave impulse approximation. It is shown that the polarization of recoil protons formed at angle θ2 in the interaction featuring a proton from the P shell of the 7Li nucleus can be described under the assumption of an effective intranuclear-proton polarization by using the single-particle shell-model wave function of the nucleus. Our data on the polarizations of the two protons from the reaction (p, 2p) on a 28Si nucleus also suggest the effective polarization of the protons in the D shell of the 28Si nucleus. It is found that, for high recoil-nucleus momenta of K B≥90 MeV/c, the effective polarization of the protons in the P shell of the 6Li nucleus—this polarization was discovered in studying the polarization of recoil protons in the reaction 6Li(p, 2p)5He—cannot be described within the shell model assuming LS coupling. As might have been expected, the polarization of recoil protons knocked out from the S shells of the 6Li and 7Li nuclei comply well with the predictions obtained in the impulse approximation with allowance for the depolarization effect alone. |
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Abstract Polarization measurements in the A(p, 2p)B reactions on 6Li, 7Li, and 28Si nuclei at a proton-beam energy of 1 GeV were performed in a kinematically complete experiment. By using a two-arm magnetic spectrometer, two secondary protons were recorded in coincidence at asymmetric scattering angles of θ1=15°−26° and θ2=58.6° for residual-nucleus momenta in the range K B=0–150 MeV/c. Either arm of the spectrometer was equipped with polarimeters based on proportional chambers. The data coming from this experiment are analyzed within the distorted-wave impulse approximation. It is shown that the polarization of recoil protons formed at angle θ2 in the interaction featuring a proton from the P shell of the 7Li nucleus can be described under the assumption of an effective intranuclear-proton polarization by using the single-particle shell-model wave function of the nucleus. Our data on the polarizations of the two protons from the reaction (p, 2p) on a 28Si nucleus also suggest the effective polarization of the protons in the D shell of the 28Si nucleus. It is found that, for high recoil-nucleus momenta of K B≥90 MeV/c, the effective polarization of the protons in the P shell of the 6Li nucleus—this polarization was discovered in studying the polarization of recoil protons in the reaction 6Li(p, 2p)5He—cannot be described within the shell model assuming LS coupling. As might have been expected, the polarization of recoil protons knocked out from the S shells of the 6Li and 7Li nuclei comply well with the predictions obtained in the impulse approximation with allowance for the depolarization effect alone. |
| abstract_unstemmed |
Abstract Polarization measurements in the A(p, 2p)B reactions on 6Li, 7Li, and 28Si nuclei at a proton-beam energy of 1 GeV were performed in a kinematically complete experiment. By using a two-arm magnetic spectrometer, two secondary protons were recorded in coincidence at asymmetric scattering angles of θ1=15°−26° and θ2=58.6° for residual-nucleus momenta in the range K B=0–150 MeV/c. Either arm of the spectrometer was equipped with polarimeters based on proportional chambers. The data coming from this experiment are analyzed within the distorted-wave impulse approximation. It is shown that the polarization of recoil protons formed at angle θ2 in the interaction featuring a proton from the P shell of the 7Li nucleus can be described under the assumption of an effective intranuclear-proton polarization by using the single-particle shell-model wave function of the nucleus. Our data on the polarizations of the two protons from the reaction (p, 2p) on a 28Si nucleus also suggest the effective polarization of the protons in the D shell of the 28Si nucleus. It is found that, for high recoil-nucleus momenta of K B≥90 MeV/c, the effective polarization of the protons in the P shell of the 6Li nucleus—this polarization was discovered in studying the polarization of recoil protons in the reaction 6Li(p, 2p)5He—cannot be described within the shell model assuming LS coupling. As might have been expected, the polarization of recoil protons knocked out from the S shells of the 6Li and 7Li nuclei comply well with the predictions obtained in the impulse approximation with allowance for the depolarization effect alone. |
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Polarization in the quasielastic scattering of 1-GeV/c protons on light nuclei |
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Miklukho, O. V. Aleshin, N. P. Belostotski, S. L. Grebenyuk, O. G. Fedorov, O. Ya Izotov, A. A. Kisselev, A. Yu Naryshkin, Yu. G. Nelyubin, V. V. Prokofiev, A. N. Prokofiev, D. A. Shcheglov, Yu. A. Shvedchikov, A. V. Vikhrov, V. V. Zhgun, A. A. Zhdanov, A. A. |
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Miklukho, O. V. Aleshin, N. P. Belostotski, S. L. Grebenyuk, O. G. Fedorov, O. Ya Izotov, A. A. Kisselev, A. Yu Naryshkin, Yu. G. Nelyubin, V. V. Prokofiev, A. N. Prokofiev, D. A. Shcheglov, Yu. A. Shvedchikov, A. V. Vikhrov, V. V. Zhgun, A. A. Zhdanov, A. A. |
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