Study of η and η' Photoproduction at MAMI; Physical Review Letters; Vol. 118, iss. 21
| Parent link: | Physical Review Letters: Scientific Journal.— , 1958- Vol. 118, iss. 21.— 2017.— [212001, 5 p.] |
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| מחבר תאגידי: | |
| מחברים אחרים: | , , , |
| סיכום: | Title screen The reactions γp→ηp and γp→η′p are measured from their thresholds up to the center-of-mass energy W=1.96 GeV with the tagged-photon facilities at the Mainz Microtron, MAMI. Differential cross sections are obtained with unprecedented statistical accuracy, providing fine energy binning and full production-angle coverage. A strong cusp is observed in the total cross section for ηphotoproduction at the energies in the vicinity of the η′ threshold, W=1896 MeV (Eγ=1447 MeV). Within the framework of a revised ηMAID isobar model, the cusp, in connection with a steep rise of the η′ total cross section from its threshold, can only be explained by a strong coupling of the poorly known N(1895)1/2− state to both ηp and η′p. Including the new high-accuracy results in the ηMAIDfit to available η and η′ photoproduction data allows the determination of the N(1895)1/2− properties. Режим доступа: по договору с организацией-держателем ресурса |
| שפה: | אנגלית |
| יצא לאור: |
2017
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| נושאים: | |
| גישה מקוונת: | https://doi.org/10.1103/PhysRevLett.118.212001 |
| פורמט: | אלקטרוני Book Chapter |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=658141 |
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| 200 | 1 | |a Study of η and η' Photoproduction at MAMI |f V. L. Kashevarov [et al.] | |
| 203 | |a Text |c electronic | ||
| 300 | |a Title screen | ||
| 320 | |a [References: 37 tit.] | ||
| 330 | |a The reactions γp→ηp and γp→η′p are measured from their thresholds up to the center-of-mass energy W=1.96 GeV with the tagged-photon facilities at the Mainz Microtron, MAMI. Differential cross sections are obtained with unprecedented statistical accuracy, providing fine energy binning and full production-angle coverage. A strong cusp is observed in the total cross section for ηphotoproduction at the energies in the vicinity of the η′ threshold, W=1896 MeV (Eγ=1447 MeV). Within the framework of a revised ηMAID isobar model, the cusp, in connection with a steep rise of the η′ total cross section from its threshold, can only be explained by a strong coupling of the poorly known N(1895)1/2− state to both ηp and η′p. Including the new high-accuracy results in the ηMAIDfit to available η and η′ photoproduction data allows the determination of the N(1895)1/2− properties. | ||
| 333 | |a Режим доступа: по договору с организацией-держателем ресурса | ||
| 461 | |t Physical Review Letters |o Scientific Journal |d 1958- | ||
| 463 | |t Vol. 118, iss. 21 |v [212001, 5 p.] |d 2017 | ||
| 610 | 1 | |a электронный ресурс | |
| 610 | 1 | |a труды учёных ТПУ | |
| 701 | 1 | |a Kashevarov |b V. L. |g Viktor Leonidovich | |
| 701 | 1 | |a Ott |b P. | |
| 701 | 1 | |a Prakhov |b S. N. | |
| 701 | 1 | |a Fiks (Fix) |b A. I. |c Physicist |c Professor of Tomsk Polytechnic University, Doctor of Physical and Mathematical Sciences |f 1968- |g Alexander Ivanovich |3 (RuTPU)RU\TPU\pers\33830 |9 17419 | |
| 712 | 0 | 2 | |a Национальный исследовательский Томский политехнический университет |b Исследовательская школа физики высокоэнергетических процессов |c (2017- ) |3 (RuTPU)RU\TPU\col\23551 |
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| 856 | 4 | |u https://doi.org/10.1103/PhysRevLett.118.212001 | |
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