Polarizations for proton knockout reactions from [Formula Presented] orbits at [Formula Presented]

V. A. Andreev; M. N. Andronenko; G. M. Amalsky; S. L. Belostotski; O. A. Domchenkov; O. Ya Fedorov; K. Hatanaka; A. A. Izotov; A. A. Jgoun; J. Kamiya; A. Yu Kisselev; M. A. Kopytin; O. V. Miklukho; Yu G. Naryshkin; T. Noro; E. Obayashi; A. N. Prokofiev; D. A. Prokofiev; H. Sakaguchi; V. V. Sulimov; A. V. Shvedchikov; H. Takeda; S. I. Trush; V. V. Vikhrov; T. Wakasa; Y. Yasuda; H. P. Yoshida; A. Zhdanov

doi:10.1103/PhysRevC.69.024604

Polarizations for proton knockout reactions from [Formula Presented] orbits at [Formula Presented]

V. A. Andreev, M. N. Andronenko, G. M. Amalsky, S. L. Belostotski, O. A. Domchenkov, O. Ya Fedorov, K. Hatanaka, A. A. Izotov, A. A. Jgoun, J. Kamiya, A. Yu Kisselev, M. A. Kopytin, O. V. Miklukho, Yu G. Naryshkin, T. Noro, E. Obayashi, A. N. Prokofiev, D. A. Prokofiev, H. Sakaguchi, V. V. SulimovA. V. Shvedchikov, H. Takeda, S. I. Trush, V. V. Vikhrov, T. Wakasa, Y. Yasuda, H. P. Yoshida, A. Zhdanov

Research output: Contribution to journal › Article

Abstract

The polarization of protons emitted in [Formula Presented] reactions has been measured for three kinds of targets at [Formula Presented]. The values of the polarization that we obtain are significantly smaller than the values predicted using the nucleon-nucleon (NN) interaction in free space, and the discrepancy between the two is seen to increase monotonically as a function of the effective mean density, which is defined as a measure of the sensitivity of a reaction to density-dependent terms of the interaction. The experimental data are also compared with a model calculation that includes a relativistic effect, and it is found that inclusion of this effect is able to account for about half of the density-dependent discrepancy between the experimental results and the values predicted with the free space NN interaction. These results, in conjunction with the previous results at [Formula Presented], indicate that this discrepancy is not caused by a contribution of multistep processes and provide further evidence that there exists a medium effect.

Original language	English
Number of pages	1
Journal	Physical Review C - Nuclear Physics
Volume	69
Issue number	2
DOIs	https://doi.org/10.1103/PhysRevC.69.024604
Publication status	Published - Jan 1 2004
Externally published	Yes

All Science Journal Classification (ASJC) codes

Nuclear and High Energy Physics

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10.1103/PhysRevC.69.024604

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Andreev, V. A., Andronenko, M. N., Amalsky, G. M., Belostotski, S. L., Domchenkov, O. A., Fedorov, O. Y., Hatanaka, K., Izotov, A. A., Jgoun, A. A., Kamiya, J., Kisselev, A. Y., Kopytin, M. A., Miklukho, O. V., Naryshkin, Y. G., Noro, T., Obayashi, E., Prokofiev, A. N., Prokofiev, D. A., Sakaguchi, H., ... Zhdanov, A. (2004). Polarizations for proton knockout reactions from [Formula Presented] orbits at [Formula Presented]. Physical Review C - Nuclear Physics, 69(2). https://doi.org/10.1103/PhysRevC.69.024604

Polarizations for proton knockout reactions from [Formula Presented] orbits at [Formula Presented]. / Andreev, V. A.; Andronenko, M. N.; Amalsky, G. M.; Belostotski, S. L.; Domchenkov, O. A.; Fedorov, O. Ya; Hatanaka, K.; Izotov, A. A.; Jgoun, A. A.; Kamiya, J.; Kisselev, A. Yu; Kopytin, M. A.; Miklukho, O. V.; Naryshkin, Yu G.; Noro, T.; Obayashi, E.; Prokofiev, A. N.; Prokofiev, D. A.; Sakaguchi, H.; Sulimov, V. V.; Shvedchikov, A. V.; Takeda, H.; Trush, S. I.; Vikhrov, V. V.; Wakasa, T.; Yasuda, Y.; Yoshida, H. P.; Zhdanov, A.

In: Physical Review C - Nuclear Physics, Vol. 69, No. 2, 01.01.2004.

Research output: Contribution to journal › Article

Andreev, VA, Andronenko, MN, Amalsky, GM, Belostotski, SL, Domchenkov, OA, Fedorov, OY, Hatanaka, K, Izotov, AA, Jgoun, AA, Kamiya, J, Kisselev, AY, Kopytin, MA, Miklukho, OV, Naryshkin, YG, Noro, T, Obayashi, E, Prokofiev, AN, Prokofiev, DA, Sakaguchi, H, Sulimov, VV, Shvedchikov, AV, Takeda, H, Trush, SI, Vikhrov, VV, Wakasa, T, Yasuda, Y, Yoshida, HP & Zhdanov, A 2004, 'Polarizations for proton knockout reactions from [Formula Presented] orbits at [Formula Presented]', Physical Review C - Nuclear Physics, vol. 69, no. 2. https://doi.org/10.1103/PhysRevC.69.024604

Andreev, V. A. ; Andronenko, M. N. ; Amalsky, G. M. ; Belostotski, S. L. ; Domchenkov, O. A. ; Fedorov, O. Ya ; Hatanaka, K. ; Izotov, A. A. ; Jgoun, A. A. ; Kamiya, J. ; Kisselev, A. Yu ; Kopytin, M. A. ; Miklukho, O. V. ; Naryshkin, Yu G. ; Noro, T. ; Obayashi, E. ; Prokofiev, A. N. ; Prokofiev, D. A. ; Sakaguchi, H. ; Sulimov, V. V. ; Shvedchikov, A. V. ; Takeda, H. ; Trush, S. I. ; Vikhrov, V. V. ; Wakasa, T. ; Yasuda, Y. ; Yoshida, H. P. ; Zhdanov, A. / Polarizations for proton knockout reactions from [Formula Presented] orbits at [Formula Presented]. In: Physical Review C - Nuclear Physics. 2004 ; Vol. 69, No. 2.

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abstract = "The polarization of protons emitted in [Formula Presented] reactions has been measured for three kinds of targets at [Formula Presented]. The values of the polarization that we obtain are significantly smaller than the values predicted using the nucleon-nucleon (NN) interaction in free space, and the discrepancy between the two is seen to increase monotonically as a function of the effective mean density, which is defined as a measure of the sensitivity of a reaction to density-dependent terms of the interaction. The experimental data are also compared with a model calculation that includes a relativistic effect, and it is found that inclusion of this effect is able to account for about half of the density-dependent discrepancy between the experimental results and the values predicted with the free space NN interaction. These results, in conjunction with the previous results at [Formula Presented], indicate that this discrepancy is not caused by a contribution of multistep processes and provide further evidence that there exists a medium effect.",

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AU - Andreev, V. A.

AU - Andronenko, M. N.

AU - Amalsky, G. M.

AU - Belostotski, S. L.

AU - Domchenkov, O. A.

AU - Fedorov, O. Ya

AU - Hatanaka, K.

AU - Izotov, A. A.

AU - Jgoun, A. A.

AU - Kamiya, J.

AU - Kisselev, A. Yu

AU - Kopytin, M. A.

AU - Miklukho, O. V.

AU - Naryshkin, Yu G.

AU - Noro, T.

AU - Obayashi, E.

AU - Prokofiev, A. N.

AU - Prokofiev, D. A.

AU - Sakaguchi, H.

AU - Sulimov, V. V.

AU - Shvedchikov, A. V.

AU - Takeda, H.

AU - Trush, S. I.

AU - Vikhrov, V. V.

AU - Wakasa, T.

AU - Yasuda, Y.

AU - Yoshida, H. P.

AU - Zhdanov, A.

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