Abstract
We report a measurement of D0-D̄0 mixing parameters and a search for indirect CP violation through a time-dependent amplitude analysis of D0→KS0π+π- decays. The results are based on 921fb-1 of data accumulated with the Belle detector at the KEKB asymmetric-energy e+e- collider. Assuming CP conservation, we measure the mixing parameters x=(0.56±0.19- 0.09-0.09+0.03+0.06)% and y=(0.30±0.15-0.05-0.06+0.04+0.03)%, where the errors are statistical, experimental systematic, and systematic due to the amplitude model, respectively. With CP violation allowed, the parameters |q/p|=0.90-0.15-0.04-0.05+0.16+0.05+0.06 and arg(q/p)=(-6±11±3- 4+3)° are found to be consistent with conservation of CP symmetry in mixing and in the interference between mixing and decay, respectively.
Original language | English |
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Article number | 091103 |
Journal | Physical Review D - Particles, Fields, Gravitation and Cosmology |
Volume | 89 |
Issue number | 9 |
DOIs | |
Publication status | Published - 2014 May 30 |
All Science Journal Classification (ASJC) codes
- Nuclear and High Energy Physics
- Physics and Astronomy (miscellaneous)
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Measurement of D0- D ̄ 0 mixing and search for indirect CP violation using D0 → KS0 π+π- Decays MEASUREMENT of D0- D ̄ 0 MIXING and ... T. PENG et al. / Peng, T.; Zhang, Z. P.; Abdesselam, A.; Adachi, I.; Aihara, H.; Arinstein, K.; Asner, D. M.; Aulchenko, V.; Aushev, T.; Ayad, R.; Bakich, A. M.; Bala, A.; Bhardwaj, V.; Bhuyan, B.; Bobrov, A.; Bondar, A.; Bonvicini, G.; Bozek, A.; Červenkov, D.; Chekelian, V.; Chen, A.; Cheon, B. G.; Cho, I. S.; Cho, K.; Chobanova, V.; Choi, Y.; Cinabro, D.; Dalseno, J.; Danilov, M.; DoleŽal, Z.; Drásal, Z.; Drutskoy, A.; Dutta, D.; Eidelman, S.; Epifanov, D.; Farhat, H.; Fast, J. E.; Ferber, T.; Frost, O.; Gaur, V.; Ganguly, S.; Garmash, A.; Gillard, R.; Goh, Y. M.; Golob, B.; Haba, J.; Hara, T.; Hayasaka, K.; Hayashii, H.; He, X. H.; Hoshi, Y.; Hou, W. S.; Hyun, H. J.; Iijima, T.; Ishikawa, A.; Itoh, R.; Iwasaki, Y.; Iwashita, T.; Jaegle, I.; Julius, T.; Kang, J. H.; Kato, E.; Katrenko, P.; Kawai, H.; Kawasaki, T.; Kichimi, H.; Kim, D. Y.; Kim, H. J.; Kim, J. B.; Kim, J. H.; Kim, M. J.; Kim, Y. J.; Kinoshita, K.; Klucar, J.; Ko, B. R.; Kodyš, P.; Korpar, S.; KriŽan, P.; Krokovny, P.; Kronenbitter, B.; Kuhr, T.; Kumar, R.; Kumita, T.; Kuzmin, A.; Lee, S. H.; Li, Y.; Li Gioi, L.; Libby, J.; Liu, C.; Liu, Y.; Liu, Z. Q.; Liventsev, D.; Lukin, P.; Miyabayashi, K.; Miyata, H.; Mizuk, R.; Mohanty, G. B.; Moll, A.; Mussa, R.; Nakao, M.; Natkaniec, Z.; Nayak, M.; Nedelkovska, E.; Nisar, N. K.; Nishida, S.; Nitoh, O.; Ogawa, S.; Pakhlov, P.; Park, H.; Park, H. K.; Pedlar, T. K.; Pestotnik, R.; Petrič, M.; Piilonen, L. E.; RibeŽl, E.; Ritter, M.; Röhrken, M.; Rostomyan, A.; Sahoo, H.; Saito, T.; Sakai, Y.; Sandilya, S.; Santel, D.; Santelj, L.; Sanuki, T.; Sato, Y.; Savinov, V.; Schneider, O.; Schnell, G.; Schwanda, C.; Schwartz, A. J.; Seidl, R.; Semmler, D.; Senyo, K.; Sevior, M. E.; Shapkin, M.; Shebalin, V.; Shen, C. P.; Shibata, T. A.; Shiu, J. G.; Shwartz, B.; Sibidanov, A.; Simon, F.; Sohn, Y. S.; Sokolov, A.; Solovieva, E.; Stanič, S.; Starič, M.; Sumiyoshi, T.; Tamponi, U.; Tatishvili, G.; Teramoto, Y.; Trabelsi, K.; Uchida, M.; Uehara, S.; Uglov, T.; Unno, Y.; Uno, S.; Urquijo, P.; Ushiroda, Y.; Usov, Y.; Van Hulse, C.; Vanhoefer, P.; Varner, G.; Varvell, K. E.; Vinokurova, A.; Vorobyev, V.; Wagner, M. N.; Wang, C. H.; Wang, M. Z.; Wang, P.; Wang, X. L.; Watanabe, M.; Watanabe, Y.; Wehle, S.; Williams, K. M.; Won, E.; Yamashita, Y.; Yashchenko, S.; Yook, Y.; Yuan, C. Z.; Zhang, C. C.; Zhilich, V.; Zhulanov, V.; Zupanc, A.
In: Physical Review D - Particles, Fields, Gravitation and Cosmology, Vol. 89, No. 9, 091103, 30.05.2014.Research output: Contribution to journal › Article › peer-review
TY - JOUR
T1 - Measurement of D0- D ̄ 0 mixing and search for indirect CP violation using D0 → KS0 π+π- Decays MEASUREMENT of D0- D ̄ 0 MIXING and ... T. PENG et al.
AU - Peng, T.
AU - Zhang, Z. P.
AU - Abdesselam, A.
AU - Adachi, I.
AU - Aihara, H.
AU - Arinstein, K.
AU - Asner, D. M.
AU - Aulchenko, V.
AU - Aushev, T.
AU - Ayad, R.
AU - Bakich, A. M.
AU - Bala, A.
AU - Bhardwaj, V.
AU - Bhuyan, B.
AU - Bobrov, A.
AU - Bondar, A.
AU - Bonvicini, G.
AU - Bozek, A.
AU - Červenkov, D.
AU - Chekelian, V.
AU - Chen, A.
AU - Cheon, B. G.
AU - Cho, I. S.
AU - Cho, K.
AU - Chobanova, V.
AU - Choi, Y.
AU - Cinabro, D.
AU - Dalseno, J.
AU - Danilov, M.
AU - DoleŽal, Z.
AU - Drásal, Z.
AU - Drutskoy, A.
AU - Dutta, D.
AU - Eidelman, S.
AU - Epifanov, D.
AU - Farhat, H.
AU - Fast, J. E.
AU - Ferber, T.
AU - Frost, O.
AU - Gaur, V.
AU - Ganguly, S.
AU - Garmash, A.
AU - Gillard, R.
AU - Goh, Y. M.
AU - Golob, B.
AU - Haba, J.
AU - Hara, T.
AU - Hayasaka, K.
AU - Hayashii, H.
AU - He, X. H.
AU - Hoshi, Y.
AU - Hou, W. S.
AU - Hyun, H. J.
AU - Iijima, T.
AU - Ishikawa, A.
AU - Itoh, R.
AU - Iwasaki, Y.
AU - Iwashita, T.
AU - Jaegle, I.
AU - Julius, T.
AU - Kang, J. H.
AU - Kato, E.
AU - Katrenko, P.
AU - Kawai, H.
AU - Kawasaki, T.
AU - Kichimi, H.
AU - Kim, D. Y.
AU - Kim, H. J.
AU - Kim, J. B.
AU - Kim, J. H.
AU - Kim, M. J.
AU - Kim, Y. J.
AU - Kinoshita, K.
AU - Klucar, J.
AU - Ko, B. R.
AU - Kodyš, P.
AU - Korpar, S.
AU - KriŽan, P.
AU - Krokovny, P.
AU - Kronenbitter, B.
AU - Kuhr, T.
AU - Kumar, R.
AU - Kumita, T.
AU - Kuzmin, A.
AU - Lee, S. H.
AU - Li, Y.
AU - Li Gioi, L.
AU - Libby, J.
AU - Liu, C.
AU - Liu, Y.
AU - Liu, Z. Q.
AU - Liventsev, D.
AU - Lukin, P.
AU - Miyabayashi, K.
AU - Miyata, H.
AU - Mizuk, R.
AU - Mohanty, G. B.
AU - Moll, A.
AU - Mussa, R.
AU - Nakao, M.
AU - Natkaniec, Z.
AU - Nayak, M.
AU - Nedelkovska, E.
AU - Nisar, N. K.
AU - Nishida, S.
AU - Nitoh, O.
AU - Ogawa, S.
AU - Pakhlov, P.
AU - Park, H.
AU - Park, H. K.
AU - Pedlar, T. K.
AU - Pestotnik, R.
AU - Petrič, M.
AU - Piilonen, L. E.
AU - RibeŽl, E.
AU - Ritter, M.
AU - Röhrken, M.
AU - Rostomyan, A.
AU - Sahoo, H.
AU - Saito, T.
AU - Sakai, Y.
AU - Sandilya, S.
AU - Santel, D.
AU - Santelj, L.
AU - Sanuki, T.
AU - Sato, Y.
AU - Savinov, V.
AU - Schneider, O.
AU - Schnell, G.
AU - Schwanda, C.
AU - Schwartz, A. J.
AU - Seidl, R.
AU - Semmler, D.
AU - Senyo, K.
AU - Sevior, M. E.
AU - Shapkin, M.
AU - Shebalin, V.
AU - Shen, C. P.
AU - Shibata, T. A.
AU - Shiu, J. G.
AU - Shwartz, B.
AU - Sibidanov, A.
AU - Simon, F.
AU - Sohn, Y. S.
AU - Sokolov, A.
AU - Solovieva, E.
AU - Stanič, S.
AU - Starič, M.
AU - Sumiyoshi, T.
AU - Tamponi, U.
AU - Tatishvili, G.
AU - Teramoto, Y.
AU - Trabelsi, K.
AU - Uchida, M.
AU - Uehara, S.
AU - Uglov, T.
AU - Unno, Y.
AU - Uno, S.
AU - Urquijo, P.
AU - Ushiroda, Y.
AU - Usov, Y.
AU - Van Hulse, C.
AU - Vanhoefer, P.
AU - Varner, G.
AU - Varvell, K. E.
AU - Vinokurova, A.
AU - Vorobyev, V.
AU - Wagner, M. N.
AU - Wang, C. H.
AU - Wang, M. Z.
AU - Wang, P.
AU - Wang, X. L.
AU - Watanabe, M.
AU - Watanabe, Y.
AU - Wehle, S.
AU - Williams, K. M.
AU - Won, E.
AU - Yamashita, Y.
AU - Yashchenko, S.
AU - Yook, Y.
AU - Yuan, C. Z.
AU - Zhang, C. C.
AU - Zhilich, V.
AU - Zhulanov, V.
AU - Zupanc, A.
PY - 2014/5/30
Y1 - 2014/5/30
N2 - We report a measurement of D0-D̄0 mixing parameters and a search for indirect CP violation through a time-dependent amplitude analysis of D0→KS0π+π- decays. The results are based on 921fb-1 of data accumulated with the Belle detector at the KEKB asymmetric-energy e+e- collider. Assuming CP conservation, we measure the mixing parameters x=(0.56±0.19- 0.09-0.09+0.03+0.06)% and y=(0.30±0.15-0.05-0.06+0.04+0.03)%, where the errors are statistical, experimental systematic, and systematic due to the amplitude model, respectively. With CP violation allowed, the parameters |q/p|=0.90-0.15-0.04-0.05+0.16+0.05+0.06 and arg(q/p)=(-6±11±3- 4+3)° are found to be consistent with conservation of CP symmetry in mixing and in the interference between mixing and decay, respectively.
AB - We report a measurement of D0-D̄0 mixing parameters and a search for indirect CP violation through a time-dependent amplitude analysis of D0→KS0π+π- decays. The results are based on 921fb-1 of data accumulated with the Belle detector at the KEKB asymmetric-energy e+e- collider. Assuming CP conservation, we measure the mixing parameters x=(0.56±0.19- 0.09-0.09+0.03+0.06)% and y=(0.30±0.15-0.05-0.06+0.04+0.03)%, where the errors are statistical, experimental systematic, and systematic due to the amplitude model, respectively. With CP violation allowed, the parameters |q/p|=0.90-0.15-0.04-0.05+0.16+0.05+0.06 and arg(q/p)=(-6±11±3- 4+3)° are found to be consistent with conservation of CP symmetry in mixing and in the interference between mixing and decay, respectively.
UR - http://www.scopus.com/inward/record.url?scp=84901999425&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=84901999425&partnerID=8YFLogxK
U2 - 10.1103/PhysRevD.89.091103
DO - 10.1103/PhysRevD.89.091103
M3 - Article
AN - SCOPUS:84901999425
VL - 89
JO - Physical Review D - Particles, Fields, Gravitation and Cosmology
JF - Physical Review D - Particles, Fields, Gravitation and Cosmology
SN - 1550-7998
IS - 9
M1 - 091103
ER -