Production of charmonium states in π-Be Collisions at 515 GeV/c

V. Koreshev, R. Jesik, H. Mendez, V. Abramov, Yu Antipov, B. Baldin, R. Crittenden, C. Davis, L. Dauwe, S. Denisov, A. Dyshkant, A. Dzierba, V. Glebov, H. Goldberg, A. Gribushin, J. Krider, A. Krinitsyn, R. Li, S. Margulies, T. MarshallJ. Martin, A. Petrukhin, J. Solomon, V. Sirotenko, P. Smith, T. Sulanke, R. Sulyaev, F. Vaca, A. Zieminski, L. Apanasevich, J. Bacigalupi, M. Begel, S. Blusk, C. Bromberg, P. Chang, B. Choudhary, W. H. Chung, L. de Barbaro, W. Dlugosz, J. Dunlea, E. Engels, G. Fanourakis, G. Ginther, K. Hartman, J. Huston, V. Kapoor, C. Lirakis, S. Mani, J. Mansour, A. Maul, R. Miller, G. Osborne, D. Pellett, E. Pothier, R. Roser, P. Shepard, D. Skow, P. Slattery, L. Sorrell, D. Striley, N. Varelas, D. Weerasundara, C. Yosef, M. Zielinski, V. Zutshi

Research output: Contribution to journalArticle

27 Scopus citations

Abstract

At the end of inflation the universe is frozen in a near zero-entropy state with energy density in a coherent scalar field and must be “defrosted” to produce the observed entropy and baryon number. We propose that the baryon asymmetry is generated by the decay of supermassive Grand Unified Theory (GUT) bosons produced non-thermally in a preheating phase after inflation. We show that baryogenesis is possible for an inflaton masses of order 1013 GeV and a GUT Higgs boson mass of order 1014 GeV, thus solving many drawbacks facing GUT baryogenesis in the old reheating scenario.

Original languageEnglish (US)
Pages (from-to)4294-4297
Number of pages4
JournalPhysical Review Letters
Volume77
Issue number21
DOIs
StatePublished - 1996
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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    Koreshev, V., Jesik, R., Mendez, H., Abramov, V., Antipov, Y., Baldin, B., Crittenden, R., Davis, C., Dauwe, L., Denisov, S., Dyshkant, A., Dzierba, A., Glebov, V., Goldberg, H., Gribushin, A., Krider, J., Krinitsyn, A., Li, R., Margulies, S., ... Zutshi, V. (1996). Production of charmonium states in π-Be Collisions at 515 GeV/c. Physical Review Letters, 77(21), 4294-4297. https://doi.org/10.1103/PhysRevLett.77.4294