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Dive into the research topics where Alexandr Petrov is active.

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Featured researches published by Alexandr Petrov.


Physical Review C | 1996

Reactions {ital pd}{r_arrow}{sup 3}He{eta} and {ital pd}{r_arrow}{sup 3}He{pi}{sup +}{pi}{sup {minus}} near the {eta} threshold

B. Mayer; A. Boudard; B. Fabbro; M. Garcon; C. Kerboul; J. Poitou; F. Wellers; W. W. Jacobs; J. Saudinos; E. Tomasi-Gustafsson; J.P. Mouly; R. S. Kessler; B. M. K. Nefkens; B. Tippens; A. van der Schaaf; R. Abegg; W. T. H. van Oers; W. J. Briscoe; Alexandr Petrov; A. Moalem

The reaction {ital pd}{r_arrow}{sup 3}He{eta} has been studied with the SPES2 spectrometer, for proton energies between 0.2 MeV and 11 MeV above threshold. The total cross section rises from 0.25 to 0.40 {mu}b in this region. The observed energy dependence can be attributed to the strong final state interaction. The angular distribution is nearly isotropic, consistent with {ital S} wave production. A measurement of the {ital pd}{r_arrow}{sup 3}He{pi}{sup +}{pi}{sup {minus}} cross section in the threshold region is also presented. The setup, which is capable of producing 10{sup 5} tagged {eta}/s with only a few percent background, is used to investigate rare {eta} decays. {copyright} {ital 1996 The American Physical Society.}


Physical Review C | 1995

The Reactions p d ---> He-3 eta and p d ---> He-3 pi+ pi- near the eta threshold

B. Mayer; W. W. Jacobs; B. M. K. Nefkens; C. Kerboul; R. Abegg; J. Poitou; J.P. Mouly; R. S. Kessler; Alexandr Petrov; A. Moalem; A. van der Schaaf; B. Tippens; M. Garcon; W. J. Briscoe; A. Boudard; E. Tomasi-Gustafsson; B. Fabbro; J. Saudinos; W. T. H. van Oers; F. Wellers

The reaction {ital pd}{r_arrow}{sup 3}He{eta} has been studied with the SPES2 spectrometer, for proton energies between 0.2 MeV and 11 MeV above threshold. The total cross section rises from 0.25 to 0.40 {mu}b in this region. The observed energy dependence can be attributed to the strong final state interaction. The angular distribution is nearly isotropic, consistent with {ital S} wave production. A measurement of the {ital pd}{r_arrow}{sup 3}He{pi}{sup +}{pi}{sup {minus}} cross section in the threshold region is also presented. The setup, which is capable of producing 10{sup 5} tagged {eta}/s with only a few percent background, is used to investigate rare {eta} decays. {copyright} {ital 1996 The American Physical Society.}


Physical Review Letters | 1993

Measurement of the Branching Ratio for the Decay η → μ+μ-

R. Abegg; W. T. H. van Oers; Alberto Baldisseri; A. Boudard; B. Fabbro; M. Garcon; B. Mayer; J. Poitou; W. J. Briscoe; Alexandr Petrov; J. Saudinos; E. Tomasi-Gustafsson; A. Efendiev; L. Lytkin; W. W. Jacobs; S.E. Vigdor; R. S. Kessler; B. M. K. Nefkens; B. Tippens; M. Wang; David White; C. Niebuhr; A. van der Schaaf; V. Nikuline


Physical Review C | 1995

Inelastic pion scattering from 3H and 3He.

B. L. Berman; G.C. Anderson; W. J. Briscoe; A. Mokhtari; Alexandr Petrov; M. E. Sadler; D.B. Barlow; B. M. K. Nefkens; C. Pillai


Physical Review D | 1996

Search for the decays eta --> microe and eta -->e+e-

D. B. White; W. B. Tippens; R. Abegg; Alberto Baldisseri; A. Boudard; W. J. Briscoe; B. Fabbro; M. Garcon; E.A. Hermes; W. W. Jacobs; R. S. Kessler; L. Lytkin; B. Mayer; B. M. K. Nefkens; C. Niebuhr; Alexandr Petrov; J. Poitou; J. Saudinos; E. Tomasi-Gustafsson; A. van der Schaaf; W. T. H. van Oers; S.E. Vigdor; M. Wang


Archive | 1986

Comparison of the matter form factors of tritium and 3He using π+ and π− elastic scattering

B. M. K. Nefkens; David Benton Barlow; A.D. Eichon; D. H. Fitzgerald; J. A. Holt; A. M. Mokhtari; C. Pillai; J.A. Wightman; B. L. Berman; W. J. Briscoe; L. H. Kramer; Alexandr Petrov; S. Graessle; K. Mitchell; M. E. Sadler


Physical Review D | 1996

Search for the decays ημ{ital e} and η{ital e}{sup +}{ital e}⁻

David White; W. B. Tippens; R. Abegg; A. Baldisseri; A. Boudard; W. J. Briscoe; B. Fabbro; M. Garcon; E.A. Hermes; W. W. Jacobs; R. S. Kessler; L. Lytkin; B. Mayer; B. M. K. Nefkens; C. Niebuhr; Alexandr Petrov; J. Poitou; J. Saudinos; Egle Tomasi-Gustafsson; Andries van der Schaaf; Willem T. H. van Oers; S.E. Vigdor; M. Wang


Physical Review D | 1996

Search for the decays ??e and ??e^{+}e^{-}

David White; W. B. Tippens; R. Abegg; A. Baldisseri; A. Boudard; W. J. Briscoe; B. Fabbro; M. Garcon; E.A. Hermes; W. W. Jacobs; R. S. Kessler; L. Lytkin; B. Mayer; B. M. K. Nefkens; C. Niebuhr; Alexandr Petrov; J. Poitou; J. Saudinos; E. Tomasi-Gustafsson; Andries van der Schaaf; Willem T. H. van Oers; S.E. Vigdor; M. Wang


Physical Review C | 1996

Reactions pd?3He ? and pd?3He p+p- near the ? threshold

B. Mayer; A. Boudard; B. Fabbro; M. Garcon; C. Kerboul; J. Poitou; F. Wellers; W. W. Jacobs; J. Saudinos; Egle Tomasi-Gustafsson; J.P. Mouly; R. S. Kessler; B. M. K. Nefkens; B. Tippens; Andries van der Schaaf; R. Abegg; Willem T. H. van Oers; W. J. Briscoe; Alexandr Petrov; A. Moalem


Physical Review C | 1996

Reactions {ital pd}³Heη and {ital pd}³He{sup +}⁻ near the η threshold

B. Mayer; A. Boudard; B. Fabbro; M. Garcon; C. Kerboul; J. Poitou; F. Wellers; W. W. Jacobs; J. Saudinos; Egle Tomasi-Gustafsson; J.P. Mouly; R. S. Kessler; B. M. K. Nefkens; B. Tippens; Andries van der Schaaf; R. Abegg; Willem T. H. van Oers; W. J. Briscoe; Alexandr Petrov; A. Moalem

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W. J. Briscoe

George Washington University

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R. S. Kessler

University of California

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B. Fabbro

Université Paris-Saclay

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B. Mayer

Ruhr University Bochum

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B. Tippens

University of California

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E. Tomasi-Gustafsson

Centre national de la recherche scientifique

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