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CERN Document Server 65 record trovati  1 - 10successivofine  salta al record: La ricerca ha impiegato 0.54 secondi. 
1.
Low-x gluon distribution from a discrete version of the BFKL pomeron / Ross, D A (Southampton U.) ; Kowalski, H (DESY) ; Lipatov, L N (St. Petersburg, INP) ; Watt, G (CERN)
We report on a successful fit of HERA deep‐inelastic scattering data at low‐x to a modified version of the BFKL amplitude which incorporates the running of the strong coupling and information about the infrared behaviour of QCD, leading to discrete pomeron poles. The possibility of using the quality of this fit to gain information about physics beyond the Standard Model is discussed..
2011 - Published in : AIP Conf. Proc. 1350 (2011) 47-50
In : International Workshop on Diffraction in High-Energy Physics, Otranto, Lecce, Italy, 10 - 15 Sep 2010, pp.47-50
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2.
Double-logarithms in Einstein-Hilbert gravity and supergravity / Bartels, Jochen (Hamburg U., Inst. Theor. Phys. II) ; Lipatov, Lev N. (Hamburg U., Inst. Theor. Phys. II ; St. Petersburg, INP) ; Sabio Vera, Agustín (Madrid, IFT ; CERN)
We study the interplay between graviton reggeization and double-logarithmic in energy contributions to four-graviton scattering in theories with and without supersymmetry. Predictions to all orders in the gravitational coupling are given for these double-logarithms. [...]
arXiv:1208.3423; CERN-PH-TH-2014-112; CERN-PH-TH-2014-112.- 2014 - 16 p. - Published in : JHEP 07 (2014) 056 Article from SCOAP3: PDF; Fulltext: PDF; Springer Open Access article: PDF; External link: Preprint
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3.
The new HERA data and the determination of the infrared behaviour of the BFKL amplitude / Kowalski, H (DESY) ; Watt, G (CERN) ; Ross, D A (Southampton U.) ; Lipatov, L N (Hamburg U., Inst. Theor. Phys. II ; St. Petersburg, INP)
I this talk I discuss the new HERA data on the structure function F(2) obtained from a combination of HI and ZEUS results. Their high precision allows to determine the infrared behaviour of the BFKL., forward amplitude for gluon-gluon scattering. [...]
2011 - Published in : Nucl. Phys. A 854 (2011) 45-56
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4.
Using HERA Data to Determine the Infrared Behaviour of the BFKL Amplitude / Kowalski, H. (DESY) ; Lipatov, L.N. (St. Petersburg, INP ; Hamburg U.) ; Ross, D.A. (Southampton U.) ; Watt, G. (CERN)
We determine the infrared behaviour of the BFKL forward amplitude for gluon-gluon scattering. This amplitude leads to an excellent description of the new combined inclusive HERA data at low values of x (<0.01) and at the same time determines the unintegrated gluon density inside the proton, for squared transverse momenta of the gluon less than 100 GeV^2. [...]
arXiv:1005.0355; DESY-10-061; SHEP-10-04; CERN-PH-TH-2010-091; DESY 10-061; SHEP-10-04; CERN-PH-TH-2010-091.- 2010 - 25 p. - Published in : Eur. Phys. J. C 70 (2010) 983-998 Fulltext: PDF; External link: Preprint
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5.
Workshop on Hadron Structure and QCD from Low to High Energies - HSQCD2008 HSQCD 2008   30 Jun - 4 Jul 2008  - Gatchina, Russian Federation  / Kim, Victor T (ed.); Lipatov, Lev N (ed.)
St Pertersburg : Nucl. Phys. Inst., 2008
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6.
Magnetization and Susceptibility Measurements on Niobium samples for cavity Production / Bahte, M ; Herrmann, F ; Lipatov, L N (Hamburg U. ; St. Petersburg Nuclear Physics Institute)
1998 - Published in : Part. Accel.: 60 (1998) , pp. 121-134 Fulltext: PDF;
In : 8th Workshop on RF Superconductivity, v.1-v.4, Abano-Terme, Italy, 6 - 10 Oct 1997, pp.881-889
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7.
Thermometric Study of Electron Emission in A 1.3-ghz superconducting cavity / Pekeler, M ; Fuljahn, T ; Lipatov, L N (Hamburg U. ; St. Petersburg Nuclear Physics Institute) ; Padamsee, H (Cornell U., LNS) ; Champion, M ; Crawford, C ; Graber, J ; Matheisen, A ; Möller, W D ; Proch, D (DESY)
1996 - Published in : Part. Accel.: 53 (1996) , pp. 35-52 Fulltext: PDF;
In : 7th Workshop on RF Superconductivity, Gif-sur-Yvette, France, 17 - 20 Oct 1995, pp.35-52
7th Workshop on RF Superconductivity, Gif-sur-Yvette, France, 17 - 20 Oct 1995, pp.79-93 (vol. 1)
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8.
N=4 supersymmetric Yang Mills scattering amplitudes at high energies: the Regge cut contribution / Lipatov, L N (Hamburg U. ; St. Petersburg Nuclear Physics Institute) ; Lipatov, L N (Hamburg Univ. ; St. Petersburg Nucl. Phys. Inst.) ; Sabio Vera, Agustin (CERN)
We further investigate, in N=4 supersymmetric Yang Mills theories, the high energy Regge behavior of six-point scattering amplitudes. In particular, for the new Regge cut contribution found in our previous paper, we compute in the leading logarithmic approximation (LLA) the energy spectrum of the BFKL equation in the color octet channel, and we calculate explicitly the two loop corrections to the discontinuities of the amplitudes for the transitions 2 to 4 and 3 to 3. [...]
arXiv:0807.0894; CERN-PH-TH-2008-125; DESY-08-073; DESY-2008-073.- 2010 - Published in : Eur. Phys. J. C 65 (2010) 587-605 External link: Preprint
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9.
Rounding Errors In Beam-Tracking Calculations / Wilhelm, P ; Lipatov, L N (Hamburg U. ; St. Petersburg Nuclear Physics Institute)
1986 - Published in : Part. Accel.: 19 (1986) , pp. 99-105 Fulltext: PDF;
In : Workshop on Orbital Dynamics and Applications to Accelerators, Berkeley, CA, USA, 7 - 12 Mar 1985, pp.99-105
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10.
BFKL Pomeron, Reggeized gluons and Bern-Dixon-Smirnov amplitudes / Bartels, J (Hamburg U) ; Lipatov, L N (Hamburg U. ; St. Petersburg Nuclear Physics Institute) ; Sabio Vera, Agustin (CERN)
After a brief review of the BFKL approach to Regge processes in QCD and in supersymmetric (SUSY) gauge theories we propose a strategy for calculating the next-to-next-to-leading order corrections to the BFKL kernel. They can be obtained in terms of various cross-sections for Reggeized gluon interactions. [...]
arXiv:0802.2065; CERN-PH-TH-2008-027.- 2009 - 29 p. - Published in : Phys. Rev. D 80 (2009) 045002 APS Published version, local copy: PDF; External link: Fulltext
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CERN Document Server : 65 record trovati   1 - 10successivofine  salta al record:
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