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Charm photoproduction at 20 GeV

Publication ,  Journal Article
Abe, K; Bacon, TC; Ballam, J; Bevan, AV; Bingham, HH; Brau, JE; Braune, K; Brick, D; Bugg, WM; Butler, JM; Cameron, W; Chima, JS; Cohn, HO ...
Published in: Physical Review D
January 1, 1984

Sixty-two charm events have been observed in an exposure of the SLAC Hybrid Facility toa backward sacttered laser beam. Based on 22 neutral and 21 charged decays we have measured the charmed-meson lifetimes to be D0=(6.8-1.8+2.3) ×10-13 sec, D±=(7.4-2.0+2.3)×10-13 sec and their ratio D±D0=1.1-0.3+0.6. The inclusive charm cross section at a photon energy of 20 GeV has been measured to be 56-23+24 nb. Evidence is presented for a non-DD component to charm production, consistent with (35±20)% c+ production and some D*± production. We have found no unambiguous F decays. © 1984 The American Physical Society.

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Published In

Physical Review D

DOI

ISSN

0556-2821

Publication Date

January 1, 1984

Volume

30

Issue

1

Start / End Page

1 / 21

Related Subject Headings

  • Nuclear & Particles Physics
  • 5107 Particle and high energy physics
  • 5101 Astronomical sciences
  • 4902 Mathematical physics
  • 0206 Quantum Physics
  • 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics
  • 0201 Astronomical and Space Sciences
 

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Abe, K., Bacon, T. C., Ballam, J., Bevan, A. V., Bingham, H. H., Brau, J. E., … Yuta, H. (1984). Charm photoproduction at 20 GeV. Physical Review D, 30(1), 1–21. https://doi.org/10.1103/PhysRevD.30.1
Abe, K., T. C. Bacon, J. Ballam, A. V. Bevan, H. H. Bingham, J. E. Brau, K. Braune, et al. “Charm photoproduction at 20 GeV.” Physical Review D 30, no. 1 (January 1, 1984): 1–21. https://doi.org/10.1103/PhysRevD.30.1.
Abe K, Bacon TC, Ballam J, Bevan AV, Bingham HH, Brau JE, et al. Charm photoproduction at 20 GeV. Physical Review D. 1984 Jan 1;30(1):1–21.
Abe, K., et al. “Charm photoproduction at 20 GeV.” Physical Review D, vol. 30, no. 1, Jan. 1984, pp. 1–21. Scopus, doi:10.1103/PhysRevD.30.1.
Abe K, Bacon TC, Ballam J, Bevan AV, Bingham HH, Brau JE, Braune K, Brick D, Bugg WM, Butler JM, Cameron W, Chima JS, Cohn HO, Colley DC, Condo GT, Dado S, Diamond R, Dornana PJ, Erickson R, Field CC, Franek B, Fujiwara N, Furuno K, Gearhart R, Gershoni D, Glanzman T, Godfrey IM, Goldberg JJ, Gopal GP, Goshaw AT, Hagopian V, Hall G, Hancock ER, Handler T, Hargis HJ, Hart EL, Harwin MJ, Hasegawa K, Hayashino T, Hideta I, Hulsizer RI, Isacson S, Jobes M, Kalmus GE, Kelsey DP, Kent J, Kitagaki T, Lannutti J, Levy A, Lucas PW, Mann WA, Merenyi R, Miburn R, Milstene C, Moffeit KC, Murray JJ, Napier A, Noguchi S, Ohtani F, O’Neale S, Palounek APT, Pless IA, Rankin P, Robertson WJ, Rogers AH, Ronat E, Rudnicka H, Sagawa H, Sato T, Schneps J, Sewell SJ, Shank J, Shapiro AM, Sugahara R, Suzuki A, Takahashi K, Tamai K, Tanaka S, Tether S, Waide DA, Walker WD, Widgoff M, Wilkins CG, Wolbers S, Woods CA, Woods A, Yamaguchi A, Yamamoto RK, Yamashita S, Yekutieli G, Yoshimura Y, Yost GP, Yuta H. Charm photoproduction at 20 GeV. Physical Review D. 1984 Jan 1;30(1):1–21.

Published In

Physical Review D

DOI

ISSN

0556-2821

Publication Date

January 1, 1984

Volume

30

Issue

1

Start / End Page

1 / 21

Related Subject Headings

  • Nuclear & Particles Physics
  • 5107 Particle and high energy physics
  • 5101 Astronomical sciences
  • 4902 Mathematical physics
  • 0206 Quantum Physics
  • 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics
  • 0201 Astronomical and Space Sciences