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Measurement of the neutron timelike electric and magnetic form factors ratio at the VEPP-2000 $e^+e^-$ collider

Fuente: arXiv

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Autori principali:	Achasov, M. N., Alizzi, A. E., Barnyakov, A. Yu., Bedarev, E. V., Beloborodov, K. I., Berdyugin, A. V., Bogdanchikov, A. G., Botov, A. A., Dimova, T. V., Druzhinin, V. P., Efremov, R. A., Zhabin, V. N., Zhulanov, V. V., Zhulanova, P. V., Kardapoltsev, L. V., Kasaev, A. S., Kattsin, A. A., Kovrizhin, D. P., Koop, I. A., Korol, A. A., Kupich, A. S., Kryukov, A. P., Melnikova, N. A., Muchnoi, N. Yu., Obrazovsky, A. E., Oorzhak, A. A., Ovtin, I. V., Pakhtusova, E. V., Polomoshnov, I. A., Pugachev, K. V., Rastigeev, S. A., Rogovsky, Yu. A., Senchenko, A. I., Serednyakov, S. I., Silagadze, Z. K., Sungurov, K. D., Surin, I. K., Usov, Yu. V., Kharlamov, A. G., Chistyakov, D. E., Shtol, D. A.
Natura:	Preprint
Pubblicazione:	2026
Soggetti:	High Energy Physics - Experiment F.2.2; I.2.7
Accesso online:	Acceder al recurso
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_version_	1866915928964333568
author	Achasov, M. N. Alizzi, A. E. Barnyakov, A. Yu. Bedarev, E. V. Beloborodov, K. I. Berdyugin, A. V. Bogdanchikov, A. G. Botov, A. A. Dimova, T. V. Druzhinin, V. P. Efremov, R. A. Zhabin, V. N. Zhulanov, V. V. Zhulanova, P. V. Kardapoltsev, L. V. Kasaev, A. S. Kattsin, A. A. Kovrizhin, D. P. Koop, I. A. Korol, A. A. Kupich, A. S. Kryukov, A. P. Melnikova, N. A. Muchnoi, N. Yu. Obrazovsky, A. E. Oorzhak, A. A. Ovtin, I. V. Pakhtusova, E. V. Polomoshnov, I. A. Pugachev, K. V. Rastigeev, S. A. Rogovsky, Yu. A. Senchenko, A. I. Serednyakov, S. I. Silagadze, Z. K. Sungurov, K. D. Surin, I. K. Usov, Yu. V. Kharlamov, A. G. Chistyakov, D. E. Shtol, D. A.
author_facet	Achasov, M. N. Alizzi, A. E. Barnyakov, A. Yu. Bedarev, E. V. Beloborodov, K. I. Berdyugin, A. V. Bogdanchikov, A. G. Botov, A. A. Dimova, T. V. Druzhinin, V. P. Efremov, R. A. Zhabin, V. N. Zhulanov, V. V. Zhulanova, P. V. Kardapoltsev, L. V. Kasaev, A. S. Kattsin, A. A. Kovrizhin, D. P. Koop, I. A. Korol, A. A. Kupich, A. S. Kryukov, A. P. Melnikova, N. A. Muchnoi, N. Yu. Obrazovsky, A. E. Oorzhak, A. A. Ovtin, I. V. Pakhtusova, E. V. Polomoshnov, I. A. Pugachev, K. V. Rastigeev, S. A. Rogovsky, Yu. A. Senchenko, A. I. Serednyakov, S. I. Silagadze, Z. K. Sungurov, K. D. Surin, I. K. Usov, Yu. V. Kharlamov, A. G. Chistyakov, D. E. Shtol, D. A.
contents	In the experiment to study the e+e->n+anti n process at the VEPP-2000 $e^+e^-$ collider, the ratio \|GE\|/\|GM\| of the neutron timelike electric and magnetic form factors has been measured. The experiment was carried out with the SND detector in the center-of-mass energy range 1890-2000 MeV in eight energy points with an integrated luminosity of 83 inv.pb. The \|GE\|/\|GM\| ratio is determined by the analyzing the distribution of the polar angle of the produced antineutron. The measured \|GE\|/\|GM\| value in the energy range under study is between 1.0 and 1.5 with an average value of 1.21+-0.13.
format	Preprint
id	arxiv_https___arxiv_org_abs_2601_19185
institution	arXiv
publishDate	2026
record_format	arxiv
spellingShingle	Measurement of the neutron timelike electric and magnetic form factors ratio at the VEPP-2000 $e^+e^-$ collider Achasov, M. N. Alizzi, A. E. Barnyakov, A. Yu. Bedarev, E. V. Beloborodov, K. I. Berdyugin, A. V. Bogdanchikov, A. G. Botov, A. A. Dimova, T. V. Druzhinin, V. P. Efremov, R. A. Zhabin, V. N. Zhulanov, V. V. Zhulanova, P. V. Kardapoltsev, L. V. Kasaev, A. S. Kattsin, A. A. Kovrizhin, D. P. Koop, I. A. Korol, A. A. Kupich, A. S. Kryukov, A. P. Melnikova, N. A. Muchnoi, N. Yu. Obrazovsky, A. E. Oorzhak, A. A. Ovtin, I. V. Pakhtusova, E. V. Polomoshnov, I. A. Pugachev, K. V. Rastigeev, S. A. Rogovsky, Yu. A. Senchenko, A. I. Serednyakov, S. I. Silagadze, Z. K. Sungurov, K. D. Surin, I. K. Usov, Yu. V. Kharlamov, A. G. Chistyakov, D. E. Shtol, D. A. High Energy Physics - Experiment F.2.2; I.2.7 In the experiment to study the e+e->n+anti n process at the VEPP-2000 $e^+e^-$ collider, the ratio \|GE\|/\|GM\| of the neutron timelike electric and magnetic form factors has been measured. The experiment was carried out with the SND detector in the center-of-mass energy range 1890-2000 MeV in eight energy points with an integrated luminosity of 83 inv.pb. The \|GE\|/\|GM\| ratio is determined by the analyzing the distribution of the polar angle of the produced antineutron. The measured \|GE\|/\|GM\| value in the energy range under study is between 1.0 and 1.5 with an average value of 1.21+-0.13.
title	Measurement of the neutron timelike electric and magnetic form factors ratio at the VEPP-2000 $e^+e^-$ collider
topic	High Energy Physics - Experiment F.2.2; I.2.7
url	https://arxiv.org/abs/2601.19185