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Autor:
Abrams, GS, Alam, MS, Blocker, CA, Boyarski, AM, Breidenbach, M, Burke, DL, Carithers, WC, Chinowsky, W, Coles, MW, Cooper, S, Dieterle, WE, Dillon, JB, Dorenbosch, J, Dorfan, JM, Eaton, MW, Feldman, GJ, Franklin, MEB, Gidal, G, Goldhaber, G, Hanson, G, Hayes, KG, Himel, T, Hitlin, DG, Hollebeek, RJ, Innes, WR, Jaros, JA, Jenni, P, Johnson, AD, Kadhk, JA, Lankford, AJ, Larsen, RR, L̈th, V, Millikan, RE, Nelson, ME, Pang, CY, Patrick, JF, Perl, ML, Richter, B, Roussarie, A, Scharre, DL, Schindler, RH, Schwitters, RF, Siegrist, JL, Strait, J, Taureg, H, Tonutti, M, Trilling, GH, Vella, EN, Vidal, RA, Videau, I
Publikováno v:
Abrams, GS; Alam, MS; Blocker, CA; Boyarski, AM; Breidenbach, M; Burke, DL; et al.(1980). Measurement of High-Energy Direct Photons in Decays. Physical Review Letters, 44(3), 114-118. doi: 10.1103/PhysRevLett.44.114. UC Irvine: Retrieved from: http://www.escholarship.org/uc/item/6r60c23v
The inclusive and 0 momentum distributions at the have been measured. Using these data and estimates of production, it is found that (4.1 0.8)% of decays contain a direct photon with energy greater than 60% of the beam energy. The expected momentum d
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od_______325::b9905f5436b4d831b8ae9f6338f13470
http://www.escholarship.org/uc/item/6r60c23v
http://www.escholarship.org/uc/item/6r60c23v
Autor:
Abrams, GS, Alam, MS, Blocker, CA, Boyarski, AM, Breidenbach, M, Broll, CH, Burke, DL, Carithers, WC, Chinowsky, W, Coles, MW, Cooper, S, Dieterle, WE, Dillon, JB, Dorenbosch, J, Dorfan, JM, Eaton, MW, Feldman, GJ, Franklin, MEB, Gidal, G, Goldhaber, G, Hanson, G, Hayes, KG, Himel, T, Hitlin, DG, Hollebeek, RJ, Innes, WR, Jaros, JA, Jenni, P, Johnson, AD, Kadyk, JA, Lankford, AJ, Larsen, RR, Lke, D, Lth, V, Millikan, RE, Nelson, ME, Pang, CY, Patrick, JF, Perl, ML, Richter, B, Russell, JJ, Scharre, DL, Schindler, RH, Schwitters, RF, Siegrist, JL, Strait, J, Taureg, H, Tonutti, M
Publikováno v:
Abrams, GS; Alam, MS; Blocker, CA; Boyarski, AM; Breidenbach, M; Broll, CH; et al.(1979). Observation of Cabibbo-suppressed decay D0-+ and D0K-K+. Physical Review Letters, 43(7), 481-483. doi: 10.1103/PhysRevLett.43.481. UC Irvine: Retrieved from: http://www.escholarship.org/uc/item/8tf8v75c
The D Cabibbo-suppressed decay modes -+ and K-K+ have been observed and the following ratios of D partial decay widths have been measured: (D-+)(DK-+)=0.0330.015 and (DK-K+)(DK-+)=0.1130.030. © 1979 The American Physical Society.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od_______325::bf1dd67c8e63f72f42115e0f4fe7c775
http://www.escholarship.org/uc/item/8tf8v75c
http://www.escholarship.org/uc/item/8tf8v75c
Autor:
Blocker, CA, Matteuzzi, C, Abrams, GS, Amidei, D, Bäcker, A, Blondel, A, Boyarski, AM, Breidenbach, M, Burke, DL, Chinowsky, W, Von Dardel, G, Dieterle, WE, Dillon, JB, Dorenbosch, J, Dorfan, JM, Eaton, MW, Feldman, GJ, Franklin, MEB, Gidal, G, Gladney, L, Goldhaber, G, Golding, LJ, Hanson, G, Hollebeek, RJ, Innes, WR, Jaros, JA, Johnson, AD, Kadyk, JA, Lankford, AJ, Larsen, RR, LeClaire, B, Levi, M
Publikováno v:
Blocker, CA; Matteuzzi, C; Abrams, GS; Amidei, D; Bäcker, A; Blondel, A; et al.(1982). Limits on the production of pointlike, charged, spin-0 particles in e+e-annihilations at 29 GeV. Physical Review Letters, 49(8), 517-520. doi: 10.1103/PhysRevLett.49.517. UC Irvine: Retrieved from: http://www.escholarship.org/uc/item/04q5f1j2
A search for charged, pointlike, spin-0 particles with large couplings to the τ lepton has been done at the PEP e+e- storage ring (Stanford Linear Accelerator Center). No evidence for such particles is seen, and limits are placed on the branching fr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od_______325::9494480bca78d3ec8b4beab54ec765a1
http://www.escholarship.org/uc/item/04q5f1j2
http://www.escholarship.org/uc/item/04q5f1j2
Autor:
Himel, TM, Abrams, GS, Alam, MS, Blocker, CA, Boyarski, AM, Breidenbach, M, Burke, DL, Carithers, WC, Chinowsky, W, Coles, MW, Cooper, S, Dieterle, WE, Dillon, JB, Dorenbosch, J, Dorfan, JM, Eaton, MW, Feldman, GJ, Franklin, MEB, Gidal, G, Goldhaber, G, Hanson, G, Hayes, KG, Hitlin, DG, Hollebeek, RJ, Innes, WR, Jaros, JA, Jenni, P, Johnson, AD, Kadyk, JA, Lankford, AJ, Larsen, RR, Levi, ME, Lüth, V, Millikan, RE, Nelson, ME, Pang, CY, Patrick, JF, Perl, ML, Richter, B, Roussarie, A, Scharre, DL, Schindler, RH, Schwitters, RF, Siegrist, JL, Strait, J, Taureg, H, Tonutti, M, Trilling, GH, Vella, EN
Publikováno v:
Himel, TM; Abrams, GS; Alam, MS; Blocker, CA; Boyarski, AM; Breidenbach, M; et al.(1980). Measurement of γγψ final states in ψ′ decay. Physical Review Letters, 44(14), 920-923. doi: 10.1103/PhysRevLett.44.920. UC Irvine: Retrieved from: http://www.escholarship.org/uc/item/4cw8876q
The decay mode ψ′→γγψ has been studied with the Mark-II detector at SPEAR. New measurements of branching ratios for decays of the type ψ′→γχ, χ→γψ involving known χ states are presented. The existence of a χ state of mass near 3
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od_______325::bcbcc8e1e330f2f9055fc668aaa0d7b1
http://www.escholarship.org/uc/item/4cw8876q
http://www.escholarship.org/uc/item/4cw8876q
Autor:
Nelson, ME, Blondel, A, Trilling, GH, Abrams, GS, Amidei, D, Blocker, CA, Boyarski, AM, Breidenbach, M, Burke, DL, Chinowsky, W, Dieterle, WE, Dillon, JB, Dorfan, JM, Eaton, MW, Feldman, GJ, Franklin, MEB, Gidal, G, Gladney, L, Gold, MS, Goldhaber, G, Golding, LJ, Hanson, G, Hollebeek, RJ, Innes, WR, Jaros, JA, Johnson, AD, Kadyk, JA, Lankford, AJ, Larsen, RR, Leclaire, B, Levi, M, Lockyer, N, Lüth, V
Publikováno v:
Nelson, ME; Blondel, A; Trilling, GH; Abrams, GS; Amidei, D; Blocker, CA; et al.(1983). Inclusive electron production in e+e-annihilation at 29 GeV. Physical Review Letters, 50(20), 1542-1545. doi: 10.1103/PhysRevLett.50.1542. UC Irvine: Retrieved from: http://www.escholarship.org/uc/item/0q26r2wf
The total momentum and transverse momentum spectra of electrons in e+e- annihilation at 29 GeV have been measured. The inclusive cross section is determined to be 14.4±1.6±5.2 pb for momenta greater than 2 GeV/c. The average semielectronic branchin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od_______325::6c1ce4d6b32333df66435364cb325d91
http://www.escholarship.org/uc/item/0q26r2wf
http://www.escholarship.org/uc/item/0q26r2wf
Autor:
Löhr, B, Hollebeek, RJ, Richter, B, Schlatter, D, Abrams, GS, Amidei, D, Blocker, CA, Boyarski, AM, Breidenbach, M, Burke, DL, Dieterle, WE, Dillon, JB, Dorfan, JM, Eaton, MW, Feldman, GJ, Franklin, MEB, Gidal, G, Gladney, L, Gold, MS, Goldhaber, G, Golding, LJ, Hanson, G, Innes, WR, Jaros, JA, Johnson, AD, Kadyk, JA, Lankford, AJ, Larsen, RR, LeClaire, B, Levi, M, Lockyer, N, Lüth, V, Matteuzzi, C, Nelson, ME
Publikováno v:
Löhr, B; Hollebeek, RJ; Richter, B; Schlatter, D; Abrams, GS; Amidei, D; et al.(1983). Variation of the strong coupling constant from a measurement of the jet energy spread in e+e-annihilation. Physics Letters B, 122(1), 90-94. doi: 10.1016/0370-2693(83)91175-9. UC Irvine: Retrieved from: http://www.escholarship.org/uc/item/8251m2vn
A measurement of jet energy spread in the reaction e+e-→ hadrons is presented. Using a jet calculus model for the jet development we determine the variation of the strong coupling constant with respect to momentum transfer. The observed variation i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od_______325::8783464fcb434b9d2312dcd199ac2112
http://www.escholarship.org/uc/item/8251m2vn
http://www.escholarship.org/uc/item/8251m2vn
Autor:
Vella, E, Trilling, GH, Abrams, GS, Alam, MS, Blocker, CA, Blondel, A, Boyarski, AM, Breidenbach, M, Burke, DL, Carithers, WC, Chinowsky, W, Coles, MW, Cooper, S, Dieterle, WE, Dillon, JB, Dorenbosch, J, Dorfan, JM, Eaton, MW, Feldman, GJ, Franklin, MEB, Gidal, G, Goldhaber, G, Hanson, G, Hayes, KG, Himel, T, Hitlin, DG, Hollebeek, RJ, Innes, WR, Jaros, JA, Jenni, P, Johnson, AD, Kadyk, JA, Lankford, AJ, Larsen, RR, Lüth, V, Millikan, RE, Nelson, ME, Pang, CY, Patrick, JF, Perl, ML, Richter, B, Roussarie, A, Scharre, DL, Schindler, RH, Schwitters, RF
Publikováno v:
Vella, E; Trilling, GH; Abrams, GS; Alam, MS; Blocker, CA; Blondel, A; et al.(1982). Observation of semileptonic decays of charmed baryons. Physical Review Letters, 48(22), 1515-1518. doi: 10.1103/PhysRevLett.48.1515. UC Irvine: Retrieved from: http://www.escholarship.org/uc/item/9jt303pk
Direct electrons are observed in baryon events produced in e+e- annihilation at center-of-mass energies above the c»c threshold. These events are attributed to charmed-baryon pair production and subsequent c semileptonic decay. Various semileptonic
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od_______325::c598278e700dacfe5d3e26c4b2f72a79
http://www.escholarship.org/uc/item/9jt303pk
http://www.escholarship.org/uc/item/9jt303pk
Autor:
Coles, MW, Abrams, GS, Blocker, CA, Blondel, A, Carithers, WC, Chinowsky, W, Cooper, S, Dieterle, WE, Dillon, JB, Eaton, MW, Gidal, G, Goldhaber, G, Johnson, AD, Kadyk, JA, Lankford, AJ, Millikan, RE, Nelson, ME, Pang, CY, Patrick, JF, Strait, J, Trilling, GH, Vella, EN, Videau, I, Alam, MS, Boyarski, A, Breidenbach, M, Burke, DL, Dorenbosch, J, Dorfan, JM, Feldman, GJ, Franklin, MEB, Hanson, G, Hayes, KA, Himel, T, Hitlin, DG, Hollebeek, R, Innes, W, Jaros, J, Jenni, P, Larsen, RR, Luth, V, Perl, ML, Richter, B, Roussarie, A, Scharre, DL, Schindler, RH, Schwitters, RF, Siegrist, JL, Taureg, H, Tonutti, M, Vidal, RA, Weiss, JM, Zaccone, H
Publikováno v:
Coles, MW; Abrams, GS; Blocker, CA; Blondel, A; Carithers, WC; Chinowsky, W; et al.(1982). D-meson production in e+e-annihilation at Ec.m. between 3.8 and 6.7 GeV. Physical Review D, 26(9), 2190-2201. doi: 10.1103/PhysRevD.26.2190. UC Irvine: Retrieved from: http://www.escholarship.org/uc/item/5g51t058
The Mark II detector at SPEAR has been used to study D-meson production in e+e- annihilation at center-of-mass energies between 3.8 and 6.7 GeV. The neutral and charged D mesons are identified from their K and K decay modes. Measurements of RD and of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od_______325::c13cec96e68a9943bee976c8701555a7
http://www.escholarship.org/uc/item/5g51t058
http://www.escholarship.org/uc/item/5g51t058
Autor:
Scharre, DL, Trilling, GH, Abrams, GS, Alam, MS, Blocker, CA, Blondel, A, Boyarski, AM, Breidenbach, M, Burke, DL, Carithers, WC, Chinowsky, W, Coles, MW, Cooper, S, Dieterle, WE, Dillon, JB, Dorenbosch, J, Dorfan, JM, Eaton, MW, Feldman, GJ, Franklin, MEB, Gidal, G, Goldhaber, G, Hanson, G, Hayes, KG, Himel, T, Hitlin, DG, Hollebeek, RJ, Innes, WR, Jaros, JA, Jenni, P, Johnson, AD, Kadyk, JA, Lankford, AJ, Larsen, RR, Lüth, V, Millikan, RE, Nelson, ME, Pang, CY, Patrick, JF, Perl, ML, Richter, B, Roussarie, A, Schindler, RH, Schwitters, RF, Siegrist, JL, Strait, J, Taureg, H, Tonutti, M, Vella, EN, Vidal, RA
Publikováno v:
Scharre, DL; Trilling, GH; Abrams, GS; Alam, MS; Blocker, CA; Blondel, A; et al.(1980). Observation of the radiative transition ψ → γE(1420). Physics Letters B, 97(2), 329-332. doi: 10.1016/0370-2693(80)90612-7. UC Irvine: Retrieved from: http://www.escholarship.org/uc/item/2h64m1zr
We have observed a radiative transition from the ψ to a state decaying into KSK±π∓, with mass M = 1.44-0.015+0.01 GeV/c2 and width Γ = 0.05-0.02+0.03 GeV/c2. We tentatively identify this state as the E(1420). Assuming that this state is an isos
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od_______325::4d56eee62d4237da6429dea70505f477
http://www.escholarship.org/uc/item/2h64m1zr
http://www.escholarship.org/uc/item/2h64m1zr