Publications by A. I. Davydychev


Articles in journals

1.   B.A. Arbuzov and A.I. Davydychev
Particular solutions of the equations for the lowest Green's functions in the infrared region of quantum chromodynamics.
Teor. Mat. Fiz. 71 (1987) 21-30 [Theor. Math. Phys. 71 (1987) 352-359], [pdf file]
2.   E.E. Boos and A.I. Davydychev
A method for calculating vertex-type Feynman integrals.
Vestn. Mosk. Univ. (Ser.3) 28, No.3 (1987) 8-12 [Mosc. Univ. Phys. Bull. 42, No.3 (1987) 6-10], [ps.gz file], [pdf file]
3.   B.A. Arbuzov, A.I. Davydychev and S.S. Kurennoy
Particular solutions of the equation for the quark propagator in the infrared region of QCD.
Nuovo Cimento 97A (1987) 131-147 [ps.gz file], [pdf file]
4.   B.A. Arbuzov, E.E. Boos and A.I. Davydychev
Infrared asymptotics of gluon Green's functions in covariant gauge.
Teor. Mat. Fiz. 74 (1988) 163-170 [Theor. Math. Phys. 74 (1988) 103-108], [pdf file]
5.   A.I. Davydychev
Equation for the quark propagator in the infrared region and some properties of its solutions.
Teor. Mat. Fiz. 85 (1990) 54-63 [Theor. Math. Phys. 85 (1990) 1048-1055], [scanned version]
6.   B.A. Arbuzov, A.I. Davydychev and S.S. Kurennoy
Transverse part of the quark-gluon vertex and quark propagator in infrared region.
Nuovo Cimento 104A (1991) 349-362 [pdf file], [scanned version]
7.   E.E. Boos and A.I. Davydychev
A method of calculating massive Feynman integrals.
Teor. Mat. Fiz. 89 (1991) 56-72 [Theor. Math. Phys. 89 (1991) 1052-1064], [ps.gz file], [pdf file], [scanned version]
8.   A.I. Davydychev
Some exact results for N-point massive Feynman integrals.
J. Math. Phys. 32 (1991) 1052-1060 [ps.gz file], [pdf file], [scanned version]
9.   A.I. Davydychev
A simple formula for reducing Feynman diagrams to scalar integrals.
Phys. Lett. B263 (1991) 107-111 [ps.gz file], [pdf file], [scanned version]
10.   A.I. Davydychev
General results for massive N-point Feynman diagrams with different masses.
J. Math. Phys. 33 (1992) 358-369 [ps.gz file], [pdf file], [scanned version]
11.   A.I. Davydychev
Recursive algorithm of evaluating vertex-type Feynman integrals.
J. Phys. A25 (1992) 5587-5596 [ps.gz file], [pdf file], [scanned version]
12.   A.I. Davydychev and J.B. Tausk
Two-loop self-energy diagrams with different masses and the momentum expansion.
Nucl. Phys. B397 (1993) 123-142 [ps.gz file], [pdf file], [scanned version]
13.   N.I. Ussyukina and A.I. Davydychev
An approach to the evaluation of three- and four-point ladder diagrams.
Phys. Lett. B298 (1993) 363-370 [ps.gz file], [pdf file], [scanned version]
14.   N.I. Ussyukina and A.I. Davydychev
Exact results for three- and four-point ladder diagrams with an arbitrary number of rungs.
Phys. Lett. B305 (1993) 136-143 [ps.gz file], [pdf file], [scanned version]
15.   A.I. Davydychev and J.B. Tausk
Momentum expansion of two-loop self-energy diagrams occurring in the Standard Model.
Yad. Fiz. 56, No.11 (1993) 137-144 [Phys. At. Nucl. 56 (1993) 1531-1536], [ps.gz file], [pdf file]
16.   N.I. Ussyukina and A.I. Davydychev
Some exact results for two-loop diagrams with three and four external lines.
Yad. Fiz. 56, No.11 (1993) 172-179 [Phys. At. Nucl. 56 (1993) 1553-1557] (hep-ph/9307327)
17.   A.I. Davydychev, V.A. Smirnov and J.B. Tausk
Large momentum expansion of two-loop self-energy diagrams with arbitrary masses.
Nucl. Phys. B410 (1993) 325-342 (hep-ph/9307371)
18.   A. Czarnecki and A.I. Davydychev
Two-loop renormalization group analysis of hadronic decays of a charged Higgs boson.
Phys. Lett. B325 (1994) 435-440 (hep-ph/9309245)
19.   N.I. Ussyukina and A.I. Davydychev
New results for two-loop off-shell three-point diagrams.
Phys. Lett. B332 (1994) 159-167 (hep-ph/9402223)
20.   F.A. Berends, A.I. Davydychev, V.A. Smirnov and J.B. Tausk
Zero-threshold expansion of two-loop self-energy diagrams.
Nucl. Phys. B439 (1995) 536-560 (hep-ph/9410232)
21.   N.I. Ussyukina and A.I. Davydychev
Two-loop three-point diagrams with irreducible numerators.
Phys. Lett. B348 (1995) 503-512 (hep-ph/9412356)
22.   A.I. Davydychev and J.B. Tausk
Tensor reduction of two-loop vacuum diagrams and projectors for expanding three-point functions.
Nucl. Phys. B465 (1996) 507-520 (hep-ph/9511261)
23.   A.I. Davydychev and J.B. Tausk
Connection between certain massive and massless diagrams.
Phys. Rev. D53 (1996) 7381-7384 (hep-ph/9504431)
24.   F.A. Berends, A.I. Davydychev and V.A. Smirnov
Small-threshold behaviour of two-loop self-energy diagrams: two-particle thresholds.
Nucl. Phys. B478 (1996) 59-89 (hep-ph/9602396)
25.   A.I. Davydychev, P. Osland and O.V. Tarasov
Three-gluon vertex in arbitrary gauge and dimension.
Phys. Rev. D54 (1996) 4087-4113; D59 (1999) 109901(E) (hep-ph/9605348)
26.   A.I. Davydychev
Some techniques for calculating two-loop diagrams.
Acta Phys. Pol. B28 (1997) 841-846 (hep-ph/9610510), [pdf file]
27.   F.A. Berends, A.I. Davydychev and N.I. Ussyukina
Threshold and pseudothreshold values of the sunset diagram.
Phys. Lett. B426 (1998) 95-104 (hep-ph/9712209)
28.   A.I. Davydychev and R. Delbourgo
A geometrical angle on Feynman integrals.
J. Math. Phys. 39 (1998) 4299-4334 (hep-th/9709216)
29.   A.I. Davydychev, P. Osland and O.V. Tarasov
Two-loop three-gluon vertex in the zero-momentum limit.
Phys. Rev. D58 (1998) 036007 (14 p.) (hep-ph/9801380)
30.   A.I. Davydychev and R. Delbourgo
Geometrical approach to the evaluation of multileg Feynman diagrams.
Acta Phys. Pol. B29 (1998) 2891-2899 (hep-th/9806248), [pdf file]
31.   A.I. Davydychev and P. Osland
On-shell two-loop three-gluon vertex.
Phys. Rev. D59 (1999) 014006 (22 p.) (hep-ph/9806522)
32.   A.I. Davydychev and A.G. Grozin
Effect of mc on b quark chromomagnetic interaction and on-shell two-loop integrals with two masses.
Phys. Rev. D59 (1999) 054023 (10 p.) (hep-ph/9809589)
33.   A.I. Davydychev and V.A. Smirnov
Threshold expansion of the sunset diagram.
Nucl. Phys. B554 (1999) 391-414 (hep-ph/9903328)
34.   A.I. Davydychev
Explicit results for all orders of the e-expansion of certain massive and massless diagrams.
Phys. Rev. D61 (2000) 087701 (4 p.) (hep-ph/9910224)
35.   A.I. Davydychev, P. Osland and L. Saks
Quark-gluon vertex in arbitrary gauge and dimension.
Phys. Rev. D63 (2001) 014022 (31 p.) (hep-ph/0008171)
36.   A.I. Davydychev, K. Schilcher and H. Spiesberger
Hadronic O(a2) corrections to the energy spectrum of muon decay.
Eur. Phys. J. C19 (2001) 99-104 (hep-ph/0011221)
37.   A.I. Davydychev and M.Yu. Kalmykov
New results for the e-expansion of certain one-, two- and three-loop diagrams.
Nucl. Phys. B605 (2001) 266-318 (hep-th/0012189)
38.   A.I. Davydychev and A.G. Grozin
HQET quark-gluon vertex at one loop.
Eur. Phys. J. C20 (2001) 333-342 (hep-ph/0103078)
39.   A.I. Davydychev, P. Osland and L. Saks
Quark mass dependence of the one-loop three-gluon vertex in arbitrary dimension.
J. High Energy Phys. 08 (2001) 050 (21 p.) (hep-ph/0105072)
40.   A.I. Davydychev and V.A. Smirnov
Analytical evaluation of certain on-shell two-loop three-point diagrams.
Nucl. Instr. Meth. A502 (2003) 621-623 (hep-ph/0210171)
41.   A.I. Davydychev and M.Yu. Kalmykov
Massive Feynman diagrams and inverse binomial sums.
Nucl. Phys. B699 (2004) 3-64 (hep-th/0303162)
42.   A.I. Davydychev and R. Delbourgo
Explicitly symmetrical treatment of three-body phase space.
J. Phys. A37 (2004) 4871-4886 (hep-th/0311075)
43.   A.I. Davydychev
Geometrical methods in loop calculations and the three-point function.
Nucl. Instr. Meth. A559 (2006) 293-297 (hep-th/0509233)

Proceedings of conferences

c1.   E.E. Boos and A.I. Davydychev
Infrared region of gluodynamics and an estimate of the glueball mass (in Russian).
Proc. II Workshop "Infrared Behaviour in QCD", Tbilisi, Georgia, May 1988 (University Press, Tbilisi, 1989), 55-66.
c2.   A.I. Davydychev
Some properties of the solutions to the equation for the quark propagator in infrared region (in Russian).
Proc. II Workshop "Infrared Behaviour in QCD", Tbilisi, Georgia, May 1988 (University Press, Tbilisi, 1989), 92-106.
c3.   E.E. Boos and A.I. Davydychev
Calculational technique for massive Feynman integrals.
Proc. XIII Workshop "Problems on High Energy Physics and Field Theory", Protvino, Russia, July 1990 (Nauka, Moscow, 1991), 120-127 [ps.gz file], [pdf file]
c4.   A.I. Davydychev and M.N. Dubinin
Triangle diagrams in the Standard Model.
Proc. XIV Workshop "Problems on High Energy Physics and Field Theory", Protvino, Russia, July 1991 (Nauka, Moscow, 1992), 294-299 [ps.gz file], [pdf file]
c5.   A.I. Davydychev
Loop calculations in QCD with massive quarks.
Talk presented at the International School-Seminar "Relativistic Nuclear Dynamics", Vladivostok, Russia, September 1991, 8 p. [ps.gz file], [pdf file]
c6.   A.I. Davydychev
Standard and hypergeometric representations for loop diagrams and the photon-photon scattering.
Proc. Intern. Conf. "Quarks-92", Zvenigorod, Russia, May 1992 (World Scientific, Singapore, 1993), 260-267 (hep-ph/9307323)
c7.   A.I. Davydychev
Progress in evaluating some complicated types of Feynman diagrams with two (and more) loops.
Proc. Workshop "AIHENP-93", Oberammergau, Germany, October 1993 (World Scientific, Singapore, 1994), 531-537 (hep-ph/9310308) [ps.gz file], [pdf file]
c8.   A.I. Davydychev and J.B. Tausk
Two-loop vacuum diagrams and tensor decomposition.
Proc. Workshop "AIHENP-95", Pisa, Italy, April 1995 (World Scientific, Singapore, 1995), 155-160 (hep-ph/9504432)
c9.   A.I. Davydychev, P. Osland and O.V. Tarasov
One-loop results for three-gluon vertex in arbitrary gauge and dimension.
Nucl. Phys. B (Proc. Suppl.) 51C (1996) 289-294 (hep-ph/9605453)
c10.   F.A. Berends, A.I. Davydychev and V.A. Smirnov
Small-threshold behaviour of two-loop self-energy diagrams: some special cases.
Nucl. Phys. B (Proc. Suppl.) 51C (1996) 301-306 (hep-ph/9606244)
c11.   A.I. Davydychev, P. Osland and O.V. Tarasov
Two-loop QCD vertices, WST identities and RG quantities.
Proc. Workshop on the Exact Renormalization Group, Faro, Portugal, September 1998 (World Scientific, Singapore, 1999), 213-222 (hep-ph/9811503)
c12.   A.I. Davydychev
Geometrical approach to Feynman integrals and the e-expansion.
Proc. Workshop "AIHENP-99", Heraklion, Greece, April 1999 (Parisianou S.A., Athens, 2000), 219-225 (hep-th/9908032)
c13.   A.I. Davydychev and M.Yu. Kalmykov
Some remarks on the e-expansion of dimensionally regulated Feynman diagrams.
Nucl. Phys. B (Proc. Suppl.) 89 (2000) 283-288 (hep-th/0005287)
c14.   A.I. Davydychev, P. Osland and L. Saks
One-loop results for the quark-gluon vertex in arbitrary dimension.
Nucl. Phys. B (Proc. Suppl.) 89 (2000) 277-282 (hep-ph/0008202)
c15.   A.I. Davydychev, K. Schilcher and H. Spiesberger
Hadronic corrections to the muon decay.
Proc. Workshop "QFTHEP-01", Moscow, Russia, September 2001 (Moscow Univ. Press, Moscow, 2002), 214-221 (hep-ph/0203125)
c16.   A.I. Davydychev and M.Yu. Kalmykov
Geometrical approach to loop calculations and the e-expansion of Feynman diagrams.
Proc. Workshop "CPP2001", Tokyo, Japan, November 2001, KEK Proceedings 2002-11, 169-178 (hep-th/0203212)
c17.   A.I. Davydychev and R. Delbourgo
Three-body phase space: symmetrical treatments.
Proc. 15th Biennial Congress of the Australian Institute of Physics, Sydney, Australia, July 2002 (Causal Productions, Adelaide, 2002), 144-146 (hep-th/0209233)
c18.   D.J. Broadhurst and A.I. Davydychev
Exponential suppression with four legs and an infinity of loops.
Nucl. Phys. B (Proc. Suppl.) 205-206 (2010) 326-330 (arXiv:1007.0237)

Some reports

r1.   B.A. Arbuzov and A.I. Davydychev
Three- and four-gluon vertices in the QCD infrared region (in Russian).
Preprint IHEP 86-187, Serpukhov (Russia), 1986, 16 p. [scanned version]
r2.   E.E. Boos and A.I. Davydychev
Infrared problems of describing the glueball and an estimation of its mass.
Preprint INP MSU 88-21/42, Moscow (Russia), 1988, 20 p. [ps.gz file], [pdf file], [scanned version]

Miscellany

m1.   A.I. Davydychev
Infrared asymptotics of Green's functions in a scalar model of quantum chromodynamics (in Russian).
Diploma (M.Sc.), Department of Physics, Moscow State University, January 1984
m2.   A.I. Davydychev
Asymptotical solving of the equations for the lowest Green's functions in infrared region of quantum chromodynamics (in Russian).
Thesis (Ph.D.), Department of Physics, Moscow State University, October 1987
m3.   A.I. Davydychev and P. Osland
Top-kvarken funnet ved Fermilab? (in Norwegian).
Fra Fysikkens Verden (Journal of the Norwegian Physical Society), No.2 (1994) p.34-35 [ps.gz file]

Patents

p1.   A.I. Davydychev e.a.
Extra bucking coils as an alternative way to balance induction arrays
US Patent 7501829 (March 2009), US Patent Application 2006/0192562
p2.   S.S. Chesser e.a.
Selectable tap induction coil
US Patent 7417436 (August 2008), US Patent Application 2006/0192561
p3.   B. Finci e.a.
Composite encased tool for subsurface measurements
US Patent 7671597 (March 2010), US Patent Application 2007/0107896
p4.   A.I. Davydychev and G.N. Minerbo
Method for determining an effective formation conductivity for induction log borehole correction
US Patent 7457707 (November 2008), US Patent Application 2008/0133138
p5.   E. Harrigan e.a.
Instrumented open hole driller for injecting and monitoring fluids
US Patent Application 61/080320

Last update: November 26, 2010