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Showing 1 to 12 of 22 entries
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Observation and Spectroscopy of New Proton-Unbound Isotopes ³⁰Ar and ²⁹Cl: An Interplay of Prompt Two-Proton and Sequential Decay.

Physical review letters

Mukha I, Grigorenko LV, Xu X, Acosta L, Casarejos E, Ciemny AA, Dominik W, Duénas-Díaz J, Dunin V, Espino JM, Estradé A, Farinon F, Fomichev A, Geissel H, Golubkova TA, Gorshkov A, Janas Z, Kamiński G, Kiselev O, Knöbel R, Krupko S, Kuich M, Litvinov YA, Marquinez-Durán G, Martel I, Mazzocchi C, Nociforo C, Ordúz AK, Pfützner M, Pietri S, Pomorski M, Prochazka A, Rymzhanova S, Sánchez-Benítez AM, Scheidenberger C, Sharov P, Simon H, Sitar B, Slepnev R, Stanoiu M, Strmen P, Szarka I, Takechi M, Tanaka YK, Weick H, Winkler M, Winfield JS, Zhukov MV.
PMID: 26613434
Phys Rev Lett. 2015 Nov 13;115(20):202501. doi: 10.1103/PhysRevLett.115.202501. Epub 2015 Nov 09.

Previously unknown isotopes (30)Ar and (29)Cl have been identified by measurement of the trajectories of their in-flight decay products (28)S+p+p and (28)S+p, respectively. The analysis of angular correlations of the fragments provided information on decay energies and the structure...

Experimental evidence for the existence of 7H and for a specific structure of 8He.

Physical review letters

Korsheninnikov AA, Nikolskii EY, Kuzmin EA, Ozawa A, Morimoto K, Tokanai F, Kanungo R, Tanihata I, Timofeyuk NK, Golovkov MS, Fomichev AS, Rodin AM, Chelnokov ML, Ter-Akopian GM, Mittig W, Roussel-Chomaz P, Savajols H, Pollacco E, Ogloblin AA, Zhukov MV.
PMID: 12633420
Phys Rev Lett. 2003 Feb 28;90(8):082501. doi: 10.1103/PhysRevLett.90.082501. Epub 2003 Feb 27.

Experimental search for the superheavy 7H isotope was performed in the reaction p(8He,pp)7H with the 8He beam at 61.3A MeV. The evidence for existence of the 7H state near the t+4n threshold was obtained. In the same experiment, the...

Superheavy hydrogen (5)H.

Physical review letters

Korsheninnikov AA, Golovkov MS, Tanihata I, Rodin AM, Fomichev AS, Sidorchuk SI, Stepantsov SV, Chelnokov ML, Gorshkov VA, Bogdanov DD, Wolski R, Ter-Akopian GM, Oganessian YT, Mittig W, Roussel-Chomaz P, Savajols H, Kuzmin EA, Nikolskii EY, Ogloblin AA.
PMID: 11531562
Phys Rev Lett. 2001 Aug 27;87(9):092501. doi: 10.1103/PhysRevLett.87.092501. Epub 2001 Aug 13.

Experimental search for (5)H using a secondary beam of (6)He has been performed. The transfer reaction (1)H((6)He,(2)He)(5)H was studied by detecting two protons emitted from the decay of (2)He. A peak consistent with a (5)H resonance at 1.7+/-0.3 MeV...

Extreme ultraviolet Fourier-transform spectroscopy with high order harmonics.

Physical review letters

Kovacev M, Fomichev SV, Priori E, Mairesse Y, Merdji H, Monchicourt P, Breger P, Norin J, Persson A, L'Huillier A, Wahlström CG, Carré B, Salières P.
PMID: 16384221
Phys Rev Lett. 2005 Nov 25;95(22):223903. doi: 10.1103/PhysRevLett.95.223903. Epub 2005 Nov 23.

We demonstrate a new scheme for extreme ultraviolet (xuv) Fourier-transform spectroscopy based on the generation of two phase-locked high-harmonic beams. It allows us to measure for the first time interferograms at wavelengths as short as 90 nm, and open...

Endoscopic Transsphenoidal Approach in Treatment of Germinomas of the Chiasmosellar Region.

Asian journal of neurosurgery

Kutin MA, Fomichev DV, Shkarubo AN, Chernov IV, Sharipov OI, Andreev DN, Ismailov DB, Mikhailov NI, Kobyakov GL, Trunin YY, Astafyeva LI, Abdilatipov AA, Poddubsky AA, Kalinin PL.
PMID: 31903361
Asian J Neurosurg. 2019 Nov 25;14(4):1190-1195. doi: 10.4103/ajns.AJNS_156_19. eCollection 2019.

INTRODUCTION: Germinogenic central nervous system (CNS) tumors represent a heterogeneous group of tumors, constituting approximately 0.4% of all primary brain tumors. Removal of the tumor has no prognostic value. In "pure" primary germinomas of the CNS, the alpha-fetoprotein and...

Patient-reported recovery in upper abdominal cancer surgery care: A prospective study.

Science progress

Johansson A, Karlsson J, Fomichov V, Lindhoff Larsson A, Sandström P, Björnsson B, Drott J.
PMID: 33979255
Sci Prog. 2021 Apr-Jun;104(2):368504211016938. doi: 10.1177/00368504211016938.

The study aimed to describe and analyse patient-reported recovery in patients after upper abdominal cancer surgery. This study had a quantitative design and patients were consecutively included in a university hospital in southern Sweden. Twenty-four patients answered the Postoperative...

Observation of excited states in 5H.

Physical review letters

Golovkov MS, Grigorenko LV, Fomichev AS, Krupko SA, Oganessian YTs, Rodin AM, Sidorchuk SI, Slepnev RS, Stepantsov SV, Ter-Akopian GM, Wolski R, Itkis MG, Bogatchev AA, Kondratiev NA, Kozulin EM, Korsheninnikov AA, Nikolskii EY, Roussel-Chomaz P, Mittig W, Palit R, Bouchat V, Kinnard V, Materna T, Hanappe F, Dorvaux O, Stuttgé L, Angulo C, Lapoux V, Raabe R, Nalpas L, Yukhimchuk AA, Perevozchikov VV, Vinogradov YI, Grishechkin SK, Zlatoustovskiy SV.
PMID: 15697971
Phys Rev Lett. 2004 Dec 31;93(26):262501. doi: 10.1103/PhysRevLett.93.262501. Epub 2004 Dec 20.

The 5H system was produced in the 3H(t,p)5H reaction studied with a 58 MeV tritium beam at small c.m. angles. High statistics data were used to reconstruct the energy and angular correlations between the 5H decay fragments. A broad...

On the synonymy of two Acantholycosa species (Araneae, Lycosidae) from the Altai.

ZooKeys

Fomichev AA, Marusik YM, Koponen S.
PMID: 27006610
Zookeys. 2016 Feb 03;(559):151-6. doi: 10.3897/zookeys.559.7048. eCollection 2016.

Two species previously known from East Kazakhstan, Acantholycosa katunensis Marusik, Azarkina & Koponen, 2004, known from the holotype male, and Acantholycosa kurchumensis Marusik, Azarkina & Koponen, 2004, syn. n. known from females, are synonymized, and priority is given to...

Towards the Limits of Existence of Nuclear Structure: Observation and First Spectroscopy of the Isotope ^{31}K by Measuring Its Three-Proton Decay.

Physical review letters

Kostyleva D, Mukha I, Acosta L, Casarejos E, Chudoba V, Ciemny AA, Dominik W, Dueñas JA, Dunin V, Espino JM, Estradé A, Farinon F, Fomichev A, Geissel H, Gorshkov A, Grigorenko LV, Janas Z, Kamiński G, Kiselev O, Knöbel R, Krupko S, Kuich M, Litvinov YA, Marquinez-Durán G, Martel I, Mazzocchi C, Nociforo C, Ordúz AK, Pfützner M, Pietri S, Pomorski M, Prochazka A, Rymzhanova S, Sánchez-Benítez AM, Scheidenberger C, Simon H, Sitar B, Slepnev R, Stanoiu M, Strmen P, Szarka I, Takechi M, Tanaka YK, Weick H, Winkler M, Winfield JS, Xu X, Zhukov MV.
PMID: 31524489
Phys Rev Lett. 2019 Aug 30;123(9):092502. doi: 10.1103/PhysRevLett.123.092502.

The most remote isotope from the proton dripline (by 4 atomic mass units) has been observed: ^{31}K. It is unbound with respect to three-proton (3p) emission, and its decays have been detected in flight by measuring the trajectories of...

Open-Source Federated Learning Frameworks for IoT: A Comparative Review and Analysis.

Sensors (Basel, Switzerland)

Kholod I, Yanaki E, Fomichev D, Shalugin E, Novikova E, Filippov E, Nordlund M.
PMID: 33383803
Sensors (Basel). 2020 Dec 29;21(1). doi: 10.3390/s21010167.

The rapid development of Internet of Things (IoT) systems has led to the problem of managing and analyzing the large volumes of data that they generate. Traditional approaches that involve collection of data from IoT devices into one centralized...

Nonlinear excitation of the Mie resonance in a laser-irradiated cluster.

Optics express

Fomichev S, Popruzhenko S, Zaretsky D, Becker W.
PMID: 19471354
Opt Express. 2003 Sep 22;11(19):2433-9. doi: 10.1364/oe.11.002433.

The nonlinear collective electron dynamics inside a large heated cluster irradiated by a strong linearly polarized short laser pulse are considered in the approximation of an incompressible medium. When the incident radiation frequency is near three-photon resonance with the...

A survey of East Palaearctic Gnaphosidae (Araneae). 2. Two new Gnaphosa Latreille, 1804 species from Western Mongolia.

ZooKeys

Marusik YM, Fomichev AA, Omelko MM.
PMID: 25147454
Zookeys. 2014 Jul 17;(426):1-9. doi: 10.3897/zookeys.426.7898. eCollection 2014.

TWO NEW SPECIES: Gnaphosa khovdensis sp. n. (♂) and G. esyunini sp. n. (♂♀) are described from Khovd Aimag of Mongolia. Descriptions, figures, diagnosis and map of the records are provided. The new species are assigned to a monophyletic...

Showing 1 to 12 of 22 entries