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Showing 1 to 12 of 94 entries
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The FERMI free-electron lasers.

Journal of synchrotron radiation

Allaria E, Badano L, Bassanese S, Capotondi F, Castronovo D, Cinquegrana P, Danailov MB, D'Auria G, Demidovich A, De Monte R, De Ninno G, Di Mitri S, Diviacco B, Fawley WM, Ferianis M, Ferrari E, Gaio G, Gauthier D, Giannessi L, Iazzourene F, Kurdi G, Mahne N, Nikolov I, Parmigiani F, Penco G, Raimondi L, Rebernik P, Rossi F, Roussel E, Scafuri C, Serpico C, Sigalotti P, Spezzani C, Svandrlik M, Svetina C, Trovó M, Veronese M, Zangrando D, Zangrando M.
PMID: 25931057
J Synchrotron Radiat. 2015 May;22(3):485-91. doi: 10.1107/S1600577515005366. Epub 2015 Apr 21.

FERMI is a seeded free-electron laser (FEL) facility located at the Elettra laboratory in Trieste, Italy, and is now in user operation with its first FEL line, FEL-1, covering the wavelength range between 100 and 20 nm. The second...

Effects of systemic glucocorticosteroids on peripheral neutrophil functions in asthmatic subjects: an ex vivo study.

Mediators of inflammation

Paggiaro PL, Bancalari L, Giannessi D, Bernini W, Lazzerini G, Sicari R, Bacci E, Dente FL, Vagaggini B, Caterina RD.
PMID: 18475647
Mediators Inflamm. 1995;4(4):251-6. doi: 10.1155/S0962935195000408.

In 21 asthmatic subjects, several functions of isolated peripheral neutrophils (chemokinesis and chemotaxis toward 10% E. coli; superoxide anion generation after PMA; leukotriene B(4) (LTB(4)) release from whole blood and isolated neutrophtls, before and after different stimuli) were evaluated...

Dynamics and stabilization of the Elettra storage-ring free-electron laser.

Physical review. E, Statistical, nonlinear, and soft matter physics

De Ninno G, Antoniazzi A, Diviacco B, Fanelli D, Giannessi L, Meucci R, Trovó M.
PMID: 16089888
Phys Rev E Stat Nonlin Soft Matter Phys. 2005 Jun;71(6):066504. doi: 10.1103/PhysRevE.71.066504. Epub 2005 Jun 30.

The ultimate performance of a storage-ring free-electron laser in terms of light stability and extracted power depends on the possibility of simultaneously controlling the electron-beam and laser dynamics. As a preliminary requirement, the level of longitudinal and transverse electron-beam...

Direct measurement of the double emittance minimum in the beam dynamics of the sparc high-brightness photoinjector.

Physical review letters

Ferrario M, Alesini D, Bacci A, Bellaveglia M, Boni R, Boscolo M, Castellano M, Catani L, Chiadroni E, Cialdi S, Cianchi A, Clozza A, Cultrera L, Di Pirro G, Drago A, Esposito A, Ficcadenti L, Filippetto D, Fusco V, Gallo A, Gatti G, Ghigo A, Giannessi L, Ligi C, Mattioli M, Migliorati M, Mostacci A, Musumeci P, Pace E, Palumbo L, Pellegrino L, Petrarca M, Quattromini M, Ricci R, Ronsivalle C, Rosenzweig J, Rossi AR, Sanelli C, Serafini L, Serio M, Sgamma F, Spataro B, Tazzioli F, Tomassini S, Vaccarezza C, Vescovi M, Vicario C.
PMID: 18233375
Phys Rev Lett. 2007 Dec 07;99(23):234801. doi: 10.1103/PhysRevLett.99.234801. Epub 2007 Dec 06.

In this Letter we report the first experimental observation of the double emittance minimum effect in the beam dynamics of high-brightness electron beam generation by photoinjectors; this effect, as predicted by the theory, is crucial in achieving minimum emittance...

High-order-harmonic generation and superradiance in a seeded free-electron laser.

Physical review letters

Giannessi L, Artioli M, Bellaveglia M, Briquez F, Chiadroni E, Cianchi A, Couprie ME, Dattoli G, Di Palma E, Di Pirro G, Ferrario M, Filippetto D, Frassetto F, Gatti G, Labat M, Marcus G, Mostacci A, Petralia A, Petrillo V, Poletto L, Quattromini M, Rau JV, Rosenzweig J, Sabia E, Serluca M, Spassovsky I, Surrenti V.
PMID: 22680723
Phys Rev Lett. 2012 Apr 20;108(16):164801. doi: 10.1103/PhysRevLett.108.164801. Epub 2012 Apr 19.

Higher order harmonic generation in a free-electron laser amplifier operating in the superradiant regime [R. H. Dicke, Phys. Rev. 93, 99 (1954).] has been observed. Superradiance has been induced by seeding a single-pass amplifier with the second harmonic of...

Observation of time-domain modulation of free-electron-laser pulses by multipeaked electron-energy spectrum.

Physical review letters

Petrillo V, Anania MP, Artioli M, Bacci A, Bellaveglia M, Chiadroni E, Cianchi A, Ciocci F, Dattoli G, Di Giovenale D, Di Pirro G, Ferrario M, Gatti G, Giannessi L, Mostacci A, Musumeci P, Petralia A, Pompili R, Quattromini M, Rau JV, Ronsivalle C, Rossi AR, Sabia E, Vaccarezza C, Villa F.
PMID: 24074094
Phys Rev Lett. 2013 Sep 13;111(11):114802. doi: 10.1103/PhysRevLett.111.114802. Epub 2013 Sep 13.

We present the experimental demonstration of a new scheme for the generation of ultrashort pulse trains based on free-electron-laser (FEL) emission from a multipeaked electron energy distribution. Two electron beamlets with energy difference larger than the FEL parameter ρ...

Superradiant cascade in a seeded free-electron laser.

Physical review letters

Giannessi L, Bellaveglia M, Chiadroni E, Cianchi A, Couprie ME, Del Franco M, Di Pirro G, Ferrario M, Gatti G, Labat M, Marcus G, Mostacci A, Petralia A, Petrillo V, Quattromini M, Rau JV, Spampinati S, Surrenti V.
PMID: 25166168
Phys Rev Lett. 2013 Jan 25;110(4):044801. doi: 10.1103/PhysRevLett.110.044801. Epub 2013 Jan 23.

We report measurements demonstrating the concept of the free-electron laser (FEL) superradiant cascade. Radiation (λ(rad) = 200 nm) at the second harmonic of a short, intense seed laser pulse (λ(seed) = 400 nm) was generated by the cascaded FEL...

Passive Linearization of the Magnetic Bunch Compression Using Self-Induced Fields.

Physical review letters

Penco G, Allaria E, Cudin I, Di Mitri S, Gauthier D, Spampinati S, Trovó M, Giannessi L, Roussel E, Bettoni S, Craievich P, Ferrari E.
PMID: 29219607
Phys Rev Lett. 2017 Nov 03;119(18):184802. doi: 10.1103/PhysRevLett.119.184802. Epub 2017 Nov 01.

In linac-driven free-electron lasers, colliders, and energy recovery linacs, a common way to compress the electron bunch to kiloampere level is based upon the implementation of a magnetic dispersive element that converts particle energy deviation into a path-length difference....

Attosecond pulse shaping using a seeded free-electron laser.

Nature

Maroju PK, Grazioli C, Di Fraia M, Moioli M, Ertel D, Ahmadi H, Plekan O, Finetti P, Allaria E, Giannessi L, De Ninno G, Spezzani C, Penco G, Spampinati S, Demidovich A, Danailov MB, Borghes R, Kourousias G, Sanches Dos Reis CE, Billé F, Lutman AA, Squibb RJ, Feifel R, Carpeggiani P, Reduzzi M, Mazza T, Meyer M, Bengtsson S, Ibrakovic N, Simpson ER, Mauritsson J, Csizmadia T, Dumergue M, Kühn S, Nandiga Gopalakrishna H, You D, Ueda K, Labeye M, Bækhøj JE, Schafer KJ, Gryzlova EV, Grum-Grzhimailo AN, Prince KC, Callegari C, Sansone G.
PMID: 32042171
Nature. 2020 Feb;578(7795):386-391. doi: 10.1038/s41586-020-2005-6. Epub 2020 Feb 10.

Attosecond pulses are central to the investigation of valence- and core-electron dynamics on their natural timescales

Myoma Hot Spot: Tumor-to-Tumor Metastasis of Thyroid Origin into Uterine Leiomyoma.

European thyroid journal

Bertrand AS, Iannessi A, Peyrottes I, Lacout A, Thyss A, Marcy PY.
PMID: 31768339
Eur Thyroid J. 2019 Oct;8(5):273-277. doi: 10.1159/000501153. Epub 2019 Jul 30.

INTRODUCTION: Distant metastases of papillary thyroid cancers are rare. Most common metastatic sites include bone and lung, whereas metastases to brain, eye, breast, liver, kidney, muscle, and skin are infrequent and almost always appear in advanced-stage tumor disease. Metastases...

Tracking the ultraviolet-induced photochemistry of thiophenone during and after ultrafast ring opening.

Nature chemistry

Pathak S, Ibele LM, Boll R, Callegari C, Demidovich A, Erk B, Feifel R, Forbes R, Di Fraia M, Giannessi L, Hansen CS, Holland DMP, Ingle RA, Mason R, Plekan O, Prince KC, Rouzée A, Squibb RJ, Tross J, Ashfold MNR, Curchod BFE, Rolles D.
PMID: 32690894
Nat Chem. 2020 Sep;12(9):795-800. doi: 10.1038/s41557-020-0507-3. Epub 2020 Jul 20.

Photoinduced isomerization reactions lie at the heart of many chemical processes in nature. The mechanisms of such reactions are determined by a delicate interplay of coupled electronic and nuclear dynamics occurring on the femtosecond scale, followed by the slower...

Defect model for melting of discotic liquid crystals.

Physical review. A, General physics

Giannessi C.
PMID: 9898148
Phys Rev A Gen Phys. 1987 Jun 15;35(12):5208-5214. doi: 10.1103/physreva.35.5208.

No abstract available.

Showing 1 to 12 of 94 entries