According to the Elsevier Scientific and Publishing Institute and following the research conducted by Stanford University researchers on the Scopus database, the list of the most cited scientists in all fields as the top two percent scientists of the scientific fields in two short periods of time (based on the citation status in 2021) and long-term (their entire scientific life between 1960 and 2021) were identified and introduced. In this report, which was published on October 10, 2022, Dr. Reza Ansari Khalkhali, Dr. Mohammad Ali Mirzazadeh, Dr. Jafar Beizadeh, Dr. Akbar Khodaparast Haghi, Dr. Shabnam Sohrabnejad and Dr. Navid Qavi Hosseinzadeh are listed in the long-term period of this lists.

In the short term, the names of 16 faculty members and one Ph.D. alumni of University of Guilan are listed as follow: Dr. Reza Ansari Khalkhali (Mechanics), Dr. Mohammad Ali Mirzazadeh, Dr. Jafar Biazar, Dr. Reza Ansari (Chemistry), Dr. Navid Qovi Hosseinzadeh, Dr. Gholam Hossein Hamidi, Dr. Shabnam Sohrabnejad, Dr. Mohammad Kazem Hassanzadeh Aghdam, Dr. Majid Arvand, Dr. Mohammad Kazem Anuri Fard, Dr. Farhad Shirini, Dr. Seyed Masoud Moghaddis Tafarshi, Dr. Hossam Rouhi, Dr. Ahmad Salehi Dubakhshari, Dr. Rahmat Madandost, Dr. Mohammad Kolte and Dr. Mohammad Baqer Askari (UG post-doc researcher in physics).

It is worth mentioning that Dr. Reza Ansari Khalkhali, Dr. Mohammad Ali Mirzazadeh, Dr. Navid Qavi Hosseinzadeh, Dr. Gholam Hossein Hamidi, Dr. Mohammad Kazem Hassanzadeh Aghdam, Dr. Majid Arvand, Dr. Mohammad Kazem Anuri Fard and Dr. Farhad Shirini have won these titles for the third consecutive year.

This research has classified scientists in 22 scientific disciplines and 176 scientific sub-disciplines using the citation data of Scopus database, and among the parameters used in this scient metrics are the number of articles, the number of references to articles without referring to them. Author citations, the number of single-author articles, the percentage of authors citing their articles, the H-index of scientists in specialized fields, and a composite index called C-Score. In this report, metrics with and without self-citation of researchers and the ratio of the number of references to the number of referring articles are also presented.

This research has classified scientists in 22 scientific disciplines and 176 scientific sub-disciplines using the citation data of Scopus database, and among the parameters used in this scient metrics are the number of articles, the number of references to articles without referring to them (author citation), The number of articles by a single author, The percentage of authors citing their articles, the H index of scientists in specialized fields and a composite index called C-Score. In this report, metrics with and without self-citation of researchers and the ratio of the number of references to the number of referring articles are also presented.

In total, based on the mentioned indicators, 715 researchers from Iran have been included in the list of top scientists in the long term, the contribution of UG is 6 scientists, and 1870 researchers have been included in the list of top scientists in the short term and the contribution of UG is 17 scientists.