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Measurement of partial widths and search for direct CP violation in D 0 meson decays to K-K+ and π -π+

Publication ,  Journal Article
Acosta, D; Affolder, T; Akimoto, T; Albrow, MG; Ambrose, D; Amerio, S; Amidei, D; Anastassov, A; Anikeev, K; Annovi, A; Antos, J; Aoki, M ...
Published in: Physical Review Letters
2005

We present a measurement of relative partial widths and decay rate CP asymmetries in K- K+ and π-π+ decays of D0 mesons produced in pp̄ collisions at,√s = 1.96 TeV. We use a sample of 2 × 105 D*+ →D0π+ (and charge conjugate) decays with the D0 decaying to K-π+, K-K +, and π-π+, corresponding to 123 pb -1 of data collected by the Collider Detector at Fermilab II experiment at the Fermilab Tevatron collider. No significant direct CP violation is observed. We measure γ(D0→ K- K +)/γ(D0-→K-π+) = 0.0992 ±0.0992 ±0.0012, γ(D0→K -π+)/γ(D0→K -π+) = 0.03594 ± 0.00054 ±0.00040, A CP(K- K+) = (2.0 ±1.2 ±0.6)%, and ACP(π-π+) = (1.0 ±1.3 ±0.6)%, where, in all cases, the first uncertainty is statistical and the second is systematic. © 2005 The American Physical Society.

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Published In

Physical Review Letters

DOI

ISSN

0031-9007

Publication Date

2005

Volume

94

Issue

12

Related Subject Headings

  • General Physics
  • 51 Physical sciences
  • 49 Mathematical sciences
  • 40 Engineering
  • 09 Engineering
  • 02 Physical Sciences
  • 01 Mathematical Sciences
 

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Acosta, D., Affolder, T., Akimoto, T., Albrow, M. G., Ambrose, D., Amerio, S., … Snider, F. D. (2005). Measurement of partial widths and search for direct CP violation in D 0 meson decays to K-K+ and π -π+. Physical Review Letters, 94(12). https://doi.org/10.1103/PhysRevLett.94.122001
Acosta, D., T. Affolder, T. Akimoto, M. G. Albrow, D. Ambrose, S. Amerio, D. Amidei, et al. “Measurement of partial widths and search for direct CP violation in D 0 meson decays to K-K+ and π -π+.” Physical Review Letters 94, no. 12 (2005). https://doi.org/10.1103/PhysRevLett.94.122001.
Acosta D, Affolder T, Akimoto T, Albrow MG, Ambrose D, Amerio S, et al. Measurement of partial widths and search for direct CP violation in D 0 meson decays to K-K+ and π -π+. Physical Review Letters. 2005;94(12).
Acosta, D., et al. “Measurement of partial widths and search for direct CP violation in D 0 meson decays to K-K+ and π -π+.” Physical Review Letters, vol. 94, no. 12, 2005. Scival, doi:10.1103/PhysRevLett.94.122001.
Acosta D, Affolder T, Akimoto T, Albrow MG, Ambrose D, Amerio S, Amidei D, Anastassov A, Anikeev K, Annovi A, Antos J, Aoki M, Apollinari G, Arisawa T, Arguin JF, Artikov A, Ashmanskas W, Attal A, Azfar F, Azzi-Bacchetta P, Bacchetta N, Bachacou H, Badgett W, Barbaro-Galtieri A, Barker GJ, Barnes VE, Barnett BA, Baroiant S, Barone M, Bauer G, Bedeschi F, Behari S, Belforte S, Bellettini G, Bellinger J, Benjamin D, Beretvas A, Bhatti A, Binkley M, Bisello D, Bishai M, Blair RE, Blocker C, Bloom K, Blumenfeld B, Bocci A, Bodek A, Bolla G, Bolshov A, Booth PSL, Bortoletto D, Boudreau J, Bourov S, Bromberg C, Brubaker E, Budagov J, Budd HS, Burkett K, Busetto G, Bussey P, Byrum KL, Cabrera S, Calafiura P, Campanelli M, Campbell M, Canepa A, Casarsa M, Carlsmith D, Carron S, Carosi R, Cavalli-Sforza M, Castro A, Catastini P, Cauz D, Cerri A, Cerri C, Cerrito L, Chapman J, Chen C, Chen YC, Chertok M, Chiarelli G, Chlachidze G, Chlebana F, Cho I, Cho K, Chokheli D, Chu ML, Chuang S, Chung JY, 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Gold M, Goldschmidt N, Goldstein D, Goldstein J, Gomez G, Gomez-Ceballos G, Goncharov M, González O, Gorelov I, Goshaw AT, Gotra Y, Goulianos K, Gresele A, Griffiths M, Grosso-Pilcher C, Guenther M, Costa JGD, Haber C, Hahn K, Hahn SR, Halkiadakis E, Handler R, Happacher F, Hara K, Hare M, Harr RF, Harris RM, Hartmann F, Hatakeyama K, Hauser J, Hays C, Hayward H, Heider E, Heinemann B, Heinrich J, Hennecke M, Herndon M, Hill C, Hirschbuehl D, Hocker A, Hoffman KD, Holloway A, Hou S, Houlden MA, Huffman BT, Huang Y, Hughes RE, Huston J, Ikado K, Incandela J, Introzzi G, Iori M, Ishizawa Y, Issever C, Ivanov A, Iwata Y, Iyutin B, James E, Jang D, Jarrell J, Jeans D, Jensen H, Jeon EJ, Jones M, Joo KK, Jun S, Junk T, Kamon T, Kang J, Unel MK, Karchin PE, Kartal S, Kato Y, Kemp Y, Kephart R, Kerzel U, Khotilovich V, Kilminster B, Kim DH, Kim HS, Kim JE, Kim MJ, Kim MS, Kim SB, Kim SH, Kim TH, Kim YK, King BT, Kirby M, Kirsch L, Klimenko S, Knuteson B, Ko BR, Kobayashi H, Koehn P, Kong DJ, 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Morello M, Mukherjee A, Mulhearn M, Muller T, Mumford R, Munar A, Murat P, Nachtman J, Nahn S, Nakamura I, Nakano I, Napier A, Napora R, Naumov D, Necula V, Niell F, Nielsen J, Nelson C, Nelson T, Neu C, Neubauer MS, Newman-Holmes C, Nicollerat AS, Nigmanov T, Nodulman L, Norniella O, Oesterberg K, Ogawa T, Oh SH, Oh YD, Ohsugi T, Okusawa T, Oldeman R, Orava R, Orejudos W, Pagliarone C, Palmonari F, Paoletti R, Papadimitriou V, Pashapour S, Patricck J, Pauletta G, Paulini M, Pauly T, Paus C, Pellett D, Penzo A, Phillips TJ, Piacentino G, Piedra J, Pitts KT, Plager C, Pompoš A, Pondrom L, Pope G, Poukhov O, Prakoshyn F, Pratt T, Pronko A, Proudfoot J, Ptohos F, Punzi G, Rademacker J, Rakitine A, Rappoccio S, Ratnikov F, Ray H, Reichold A, Reisert B, Rekovic V, Renton P, Rescigno M, Rimondi F, Rinnert K, Ristori L, Robertson WJ, Robson A, Rodrigo T, Rolli S, Rosenson L, Roser R, Rossin R, Rott C, Russ J, Ruiz A, Ryan D, Saarikko H, Safonov A, Denis RS, Sakumoto WK, Salamanna G, Saltzberg D, Sanchez C, Sansoni A, Santi L, Sarkar S, Sato K, Savard P, Savoy-Navarro A, Schemitz P, Schlabach P, Schmidt EE, Schmidt MP, Schmitt M, Scodellaro L, Scribano A, Scuri F, Sedov A, Seidel S, Seiya Y, Semeria F, Sexton-Kennedy L, Sfiligoi I, Shapiro MD, Shears T, Shepard PF, Shimojima M, Shochet M, Shon Y, Shreyber I, Sidoti A, Siegrist J, Siket M, Sill A, Sinervo P, Sisakyan A, Skiba A, Slaughter AJ, Sliwa K, Smirnov D, Smith JR, Snider FD. Measurement of partial widths and search for direct CP violation in D 0 meson decays to K-K+ and π -π+. Physical Review Letters. 2005;94(12).

Published In

Physical Review Letters

DOI

ISSN

0031-9007

Publication Date

2005

Volume

94

Issue

12

Related Subject Headings

  • General Physics
  • 51 Physical sciences
  • 49 Mathematical sciences
  • 40 Engineering
  • 09 Engineering
  • 02 Physical Sciences
  • 01 Mathematical Sciences