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Featured researches published by V. T. Grachev.
Physical Review Letters | 1997
R. Carrigan; P. S. Cooper; H. Gottschalk; J. Lach; A. Morelos; Dai Lisheng; Pf Lang; Cz Li; Ys Li; Hz Shi; F. Tang; Jie Yan; Wh Zhao; Sc Zheng; Yy Zhong; Nikolai F. Bondar; A. S. Denisov; A. V. Dobrovolsky; V. L. Golovtsov; V. T. Grachev; A. V. Khanzadeev; N. P. Kuropatkin; V.M. Samsonov; V. A. Schegelsky; N. K. Terentyev; I. I. Tkatch; L. N. Uvarov; Vorobyov Aa; M. A. Kubantsev; T. Dubbs
We have searched for the production and decay of light supersymmetric baryons produced in 800 GeV/c proton copper interactions in a charged hyperon beam experiment. We observe no evidence for the decays R{sup +}(uud{tilde g}){r_arrow} S{sup 0}(uds{tilde g}){pi}{sup +} and X{sup -}(ssd{tilde g}){r_arrow} S{sup 0}(uds{tilde g}){pi}{sup -} in the parent mass and lifetime ranges of 1700{endash}2500 MeV/c{sup 2} and 50{endash}500ps. Production upper limits for R{sup +} at x{sub F}=0.47, P{sub t}=1.4GeV/c{sup 2} and X{sup -} at x{sub F}=0.48, P{sub t}=0.65GeV/c{sup 2} of less than 10{sup -3} of all charged secondary particles produced are obtained for all but the highest masses and shortest lifetimes predicted. {copyright} {ital 1997} {ital The American Physical Society}
Physical Review D | 1994
I. F. M. Albuquerque; Nikolai F. Bondar; R. Carrigan; D. Chen; P. S. Cooper; Dai Lisheng; A. S. Denisov; A. V. Dobrovolsky; T. Dubbs; A. M. F. Endler; C. O. Escobar; M. Foucher; V. L. Golovtsov; H. Gottschalk; P. Gouffon; V. T. Grachev; A. V. Khanzadeev; M. A. Kubantsev; N. P. Kuropatkin; J. Lach; Lang Pengfei; Li Chengze; Li Yunshan; M. Luksys; Mahon; E. McCliment; A. Morelos; Charles Ray Newsom; M. C. P. Maia; V.M. Samsonov
We have searched for the rare hyperon radiative decay Omega- to Xi- gamma, using the Fermilab Proton Center 375 GeV/c charged hyperon beam. Our measurement of the Omega- beam fraction at 13.6 m from production is (4.8 +_ 0.4)10**(-5). No signal was found and we determine a new upper limit of (4.6 x 10**-4) at 90% CL for the Omega- to Xi- gamma branching ratio.
Physical Review Letters | 1992
D. Chen; If Albuquerque; Vv Baublis; Nf Bondar; R. Carrigan; P. S. Cooper; Ls Dai; A. S. Denisov; A. V. Dobrovolsky; T. Dubbs; A. M. F. Endler; C. O. Escobar; M. Foucher; V. L. Golovtsov; Pa Goritchev; H. Gottschalk; P. Gouffon; V. T. Grachev; A. V. Khanzadeev; M. A. Kubantsev; N. P. Kuropatkin; J. Lach; Pf Lang; Vn Lebedenko; Cz Li; Ys Li; J. R. P. Mahon; E. McCliment; A. Morelos; Charles Ray Newsom
Physical Review Letters | 1993
A. Morelos; I. F. M. Albuquerque; Nikolai F. Bondar; R. Carrigan; D. Chen; P. S. Cooper; Dai Lisheng; A. S. Denisov; A. V. Dobrovolsky; T. Dubbs; A. M. F. Endler; C. O. Escobar; M. Foucher; V. L. Golovtsov; H. Gottschalk; P. Gouffon; V. T. Grachev; A. V. Khanzadeev; M. A. Kubantsev; N. P. Kuropatkin; J. Lach; Lang Pengfei; Li Chengze; Li Yunshan; M. Luksys; Mahon; E. McCliment; Charles Ray Newsom; Pommot Maia Mc; V.M. Samsonov
Physical Review D | 1995
A. Morelos; I. F. M. Albuquerque; Nikolai F. Bondar; R. Carrigan; D. Chen; P. S. Cooper; Dai Lisheng; A. S. Denisov; A. V. Dobrovolsky; T. Dubbs; A. M. F. Endler; C. O. Escobar; M. Foucher; V. L. Golovtsov; H. Gottschalk; P. Gouffon; V. T. Grachev; A. V. Khanzadeev; M. A. Kubantsev; N. P. Kuropatkin; J. Lach; Lang Pengfei; Lebedenko Vn; Li Chengze; Li Yunshan; M. Luksys; Mahon; E. McCliment; Charles Ray Newsom; Pommot Maia Mc
Physical Review Letters | 1992
M. Foucher; I. F. M. Albuquerque; Nikolai F. Bondar; R. Carrigan; D. Chen; Li Chengze; P. S. Cooper; A. S. Denisov; A. V. Dobrovolsky; T. Dubbs; A. M. F. Endler; C. O. Escobar; Tang Fukun; V. L. Golovtsov; P.A. Goritchev; H. Gottschalk; P. Gouffon; V. T. Grachev; Shi Huanzhang; Yan Jie; A. V. Khanzadeev; Kubantsev; N. P. Kuropatkin; J. Lach; M. Luksys; Lebedenko Vn; Dai Lisheng; J. R. P. Mahon; E. McCliment; A. Morelos
Physical Review D | 1995
S. Timm; I. F. M. Albuquerque; Nikolai F. Bondar; R. Carrigan; D. Chen; P. S. Cooper; Dai Lisheng; A. S. Denisov; A. V. Dobrovolsky; T. Dubbs; A. M. F. Endler; C. O. Escobar; M. Foucher; V. L. Golovtsov; H. Gottschalk; P. Gouffon; V. T. Grachev; A. V. Khanzadeev; M. A. Kubantsev; N. P. Kuropatkin; J. Lach; Lang Pengfei; Langland J; Li Chengze; Li Yunshan; M. Luksys; Mahon; E. McCliment; A. Morelos; Charles Ray Newsom
Physical Review Letters | 1993
A. Morelos; If Albuquerque; Nf Bondar; R. Carrigan; D. Chen; P. S. Cooper; Dai Lisheng; A. S. Denisov; A. V. Dobrovolsky; T. Dubbs; A. M. F. Endler; C. O. Escobar; M. Foucher; V. L. Golovtsov; H. Gottschalk; P. Gouffon; V. T. Grachev; A. V. Khanzadeev; M. A. Kubantsev; N. P. Kuropatkin; J. Lach; Pf Lang; Cz Li; Ys Li; M. Luksys; J. R. P. Mahon; E. McCliment; Charles Ray Newsom; Mcp Maia; V.M. Samsonov
Physical Review Letters | 1994
T. Dubbs; I. F. M. Albuquerque; Nikolai F. Bondar; R. Carrigan; D. Chen; P. S. Cooper; Dai Lisheng; A. S. Denisov; A. V. Dobrovolsky; A. M. F. Endler; C. O. Escobar; M. Foucher; V. L. Golovtsov; H. Gottschalk; P. Gouffon; V. T. Grachev; A. V. Khanzadeev; M. A. Kubantsev; N. P. Kuropatkin; J. Lach; Lang Pengfei; Li Chengze; Li Yunshan; M. Luksys; Mahon; E. McCliment; A. Morelos; Charles Ray Newsom; Pommot Maia Mc; V.M. Samsonov
Physical Review Letters | 1993
A. Morelos; I. F. M. Albuquerque; Nikolai F. Bondar; R. Carrigan; D. Chen; P. S. Cooper; Dai Lisheng; A. S. Denisov; A. V. Dobrovolsky; T. Dubbs; A. M. F. Endler; C. O. Escobar; M. Foucher; V. L. Golovtsov; H. Gottschalk; P. Gouffon; V. T. Grachev; A. V. Khanzadeev; M. A. Kubantsev; N. P. Kuropatkin; J. Lach; Lang Pengfei; Li Chengze; Li Yanshan; M. Luksys; J. R. P. Mahon; E. McCliment; Charles Ray Newsom; M. C. P. Maia; V.M. Samsonov
