First Observation of the Hadronic Transition Upsilon(4S) -> eta h(b)(1P) and New Measurement of the h(b)(1P) and eta(b)(1S) Parameters

Nakano E.; Ritter M.; Rostomyan A.; Simon F.; Wang X. L.; Williams K. M.; Sandilya S.; Santelj L.; Vinokurova A.; Vossen A.; Wagner M. N.; Wang M-Z.; Watanabe Y.; Won E.; Cinabro D.; Yamaoka J.; Danilov M.; Dolezal Z.; Drasal Z.; Drutskoy A.; Eidelman S.; Epifanov D.; Farhat H.; Fast J. E.; Ferber T.; Fulsom B. G.; Gaur V.; Yashchenko S.; Zhang Z. P.; Zhilich V.; Zhulanov V.; Zupanc A.; Tamponi U.; Mussa R.; Abdesselam A.; Aihara H.; Arinstein K.; Asner D. M.; Atmacan H.; Gabyshev N.; Aushev T.; Badhrees I.; Barberio E.; Garmash A.; Getzkow D.; Gillard R.; Goh Y. M.; Golob B.; Hayashii H.; He X. H.; Hedges M. T.; Kiesling C.; Nayak M.; Schneider O.; Staric M.; Steder M.; Stypula J.; Tanida K.; Teramoto Y.; Uchida M.; Unno Y.; Urquijo P.; Van Hulse C.; Trabelsi K.; Uglov T.; Uno S.; Vanhoefer P.; Nakao M.; Natkaniec Z.; Chobanova V.; Haba J.; Hayasaka K.; Kichimi H.; Varner G.; Bondar A.; Bonvicini G.; Bozek A.; Bracko M.; Browder T. E.; Cervenkov D.; Chen A.; Cheon B. G.; Cho K.; Choi S. -K.; Choi Y.; Kim D. Y.; Kim H. J.; Kim J. H.; Kim K. T.; Kim S. H.; Kinoshita K.; Korpar S.; Krizan P.; Kodys P.; Libby J.; Mohanty G. B.; Moll A.; Nisar N. K.; Nishida S.; Ogawa S.; Okuno S.; Olsen S. L.; Oswald C.; Pal B.; Park H.; Ostrowicz W.; Pakhlova G.; Piilonen L. E.; Sakai Y.; Schnell G.; Schwanda C.; Semmler D.; Senyo K.; Sevior M. E.; Shapkin M.; Shebalin V.; Pedlar T. K.; Pesantez L.; Pestotnik R.; Petric M.; Ribezl E.; Ayad R.; Shiu J-G.; Krokovny P.; Kumita T.; Kuzmin A.; Lange J. S.; Miyata H.; Mizuk R.; Mori T.; Ryu S.; Sanuki T.; Sato Y.; Savinov V.; Shwartz B.; Sibidanov A.; Sohn Y-S.; Bakich A. M.; Bhardwaj V.; Bhuyan B.; Biswal J.; Sokolov A.; Lukin P.; Matvienko D.; Lewis P.; Miyabayashi K.; Nanut T.; Hou W-S.; Iijima T.; Inami K.; Ishikawa A.; Jaegle I.; Joffe D.; Julius T.; Kato E.; Katrenko P.; Shen C. P.; Shibata T-A.

首页> 外文期刊>Physical review letters >First Observation of the Hadronic Transition Upsilon(4S) -> eta h(b)(1P) and New Measurement of the h(b)(1P) and eta(b)(1S) Parameters

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First Observation of the Hadronic Transition Upsilon(4S) -> eta h(b)(1P) and New Measurement of the h(b)(1P) and eta(b)(1S) Parameters

机译：首次观测到强子跃迁Upsilon（4S）-> eta h（b）（1P）以及h（b）（1P）和eta（b）（1S）参数的新测量

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Using a sample of 771.6 x 10(6) Upsilon Upsilon(4S) decays collected by the Belle experiment at the KEKB e(+)e(-) collider, we observe, for the first time, the transition Upsilon(4S) -> eta h(b)(1P) with the branching fraction B[Upsilon(4S) -> eta h(b)(1P)] = (2.18 +/- 0.11 +/- 0.18) x 10(-3) and we measure the h(b)(1P) mass M-hb(1P) = (9899.3 +/- 0.4 +/- 1.0) MeV/c(2), corresponding to the hyperfine (HF) splitting Delta M-HF(1P) = (0.6 +/- 0.4 +/- 1.0) MeV/c(2). Using the transition h(b)(1P) -> gamma eta(b)(1S), we measure the eta(b)(1S) mass M-eta b(1S) = (9400.7 +/- 1.7 +/- 1.6) MeV/c(2), corresponding to Delta M-HF(1S) = (59.6 +/- 1.7 +/- 1.6) MeV/c(2), the eta(b)(1S) width Gamma(eta b)(1S) = (8(-5)(+6)+/- 5) MeV/c(2) and the branching fraction B[h(b)(1P) -> gamma eta(b)(1S)] = (56 +/- 8 +/- 4)%.

机译：我们使用KEKB e（+）e（-）对撞机的Belle实验收集的771.6 x 10（6）Upsilon Upsilon（4S）衰减样本，我们首次观察到了Upsilon（4S）->带有分支分数B [Upsilon（4S）-> eta h（b）（1P）] =（2.18 +/- 0.11 +/- 0.18）x 10（-3）的eta h（b）（1P） h（b）（1P）质量M-hb（1P）=（9899.3 +/- 0.4 +/- 1.0）MeV / c（2），对应于超细（HF）分裂Delta M-HF（1P）= （0.6 +/- 0.4 +/- 1.0）MeV / c（2）。使用过渡h（b）（1P）->γeta（b）（1S），我们测量eta（b）（1S）质量M-eta b（1S）=（9400.7 +/- 1.7 +/- 1.6 ）MeV / c（2），对应于Delta M-HF（1S）=（59.6 +/- 1.7 +/- 1.6）MeV / c（2），eta（b）（1S）宽度Gamma（eta b）（1S）=（8（-5）（+ 6）+/- 5）MeV / c（2）和分支分数B [h（b）（1P）-> gamma eta（b）（1S）] = （56 +/- 8 +/- 4）％。

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来源
《Physical review letters》 |2015年第14期|142001.1-142001.7|共7页
作者
Nakano E.; Ritter M.; Rostomyan A.; Simon F.; Wang X. L.; Williams K. M.; Sandilya S.; Santelj L.; Vinokurova A.; Vossen A.; Wagner M. N.; Wang M-Z.; Watanabe Y.; Won E.; Cinabro D.; Yamaoka J.; Danilov M.; Dolezal Z.; Drasal Z.; Drutskoy A.; Eidelman S.; Epifanov D.; Farhat H.; Fast J. E.; Ferber T.; Fulsom B. G.; Gaur V.; Yashchenko S.; Zhang Z. P.; Zhilich V.; Zhulanov V.; Zupanc A.; Tamponi U.; Mussa R.; Abdesselam A.; Aihara H.; Arinstein K.; Asner D. M.; Atmacan H.; Gabyshev N.; Aushev T.; Badhrees I.; Barberio E.; Garmash A.; Getzkow D.; Gillard R.; Goh Y. M.; Golob B.; Hayashii H.; He X. H.; Hedges M. T.; Kiesling C.; Nayak M.; Schneider O.; Staric M.; Steder M.; Stypula J.; Tanida K.; Teramoto Y.; Uchida M.; Unno Y.; Urquijo P.; Van Hulse C.; Trabelsi K.; Uglov T.; Uno S.; Vanhoefer P.; Nakao M.; Natkaniec Z.; Chobanova V.; Haba J.; Hayasaka K.; Kichimi H.; Varner G.; Bondar A.; Bonvicini G.; Bozek A.; Bracko M.; Browder T. E.; Cervenkov D.; Chen A.; Cheon B. G.; Cho K.; Choi S. -K.; Choi Y.; Kim D. Y.; Kim H. J.; Kim J. H.; Kim K. T.; Kim S. H.; Kinoshita K.; Korpar S.; Krizan P.; Kodys P.; Libby J.; Mohanty G. B.; Moll A.; Nisar N. K.; Nishida S.; Ogawa S.; Okuno S.; Olsen S. L.; Oswald C.; Pal B.; Park H.; Ostrowicz W.; Pakhlova G.; Piilonen L. E.; Sakai Y.; Schnell G.; Schwanda C.; Semmler D.; Senyo K.; Sevior M. E.; Shapkin M.; Shebalin V.; Pedlar T. K.; Pesantez L.; Pestotnik R.; Petric M.; Ribezl E.; Ayad R.; Shiu J-G.; Krokovny P.; Kumita T.; Kuzmin A.; Lange J. S.; Miyata H.; Mizuk R.; Mori T.; Ryu S.; Sanuki T.; Sato Y.; Savinov V.; Shwartz B.; Sibidanov A.; Sohn Y-S.; Bakich A. M.; Bhardwaj V.; Bhuyan B.; Biswal J.; Sokolov A.; Lukin P.; Matvienko D.; Lewis P.; Miyabayashi K.; Nanut T.; Hou W-S.; Iijima T.; Inami K.; Ishikawa A.; Jaegle I.; Joffe D.; Julius T.; Kato E.; Katrenko P.; Shen C. P.; Shibata T-A.;
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Osaka City Univ, Osaka 5588585, Japan.;

Max Planck Inst Phys & Astrophys, D-80805 Munich, Germany.;

DESY, D-22607 Hamburg, Germany.;

Tech Univ Munich, Excellence Cluster Universe, D-85748 Garching, Germany.;

Virginia Polytech Inst & State Univ, CNP, Blacksburg, VA 24061 USA.;

Virginia Polytech Inst & State Univ, CNP, Blacksburg, VA 24061 USA.;

Tata Inst Fundamental Res, Mumbai 400005, Maharashtra, India.;

High Energy Accelerator Res Org KEK, Tsukuba, Ibaraki 3050801, Japan.;

Novosibirsk State Univ, Novosibirsk 630090, Russia.;

Indiana Univ, Bloomington, IN 47408 USA.;

Univ Giessen, D-35392 Giessen, Germany.;

Natl Taiwan Univ, Dept Phys, Taipei 10617, Taiwan.;

Kanagawa Univ, Yokohama, Kanagawa 2218686, Japan.;

Korea Univ, Seoul 136713, South Korea.;

Wayne State Univ, Detroit, MI 48202 USA.;

Pacific NW Natl Lab, Richland, WA 99352 USA.;

Moscow Engn Phys Inst, Moscow 115409, Russia.;

Moscow Engn Phys Inst, Moscow 115409, Russia.;

Univ Tokyo, Dept Phys, Tokyo 1130033, Japan.;

Wayne State Univ, Detroit, MI 48202 USA.;

Pacific NW Natl Lab, Richland, WA 99352 USA.;

DESY, D-22607 Hamburg, Germany.;

Pacific NW Natl Lab, Richland, WA 99352 USA.;

Tata Inst Fundamental Res, Mumbai 400005, Maharashtra, India.;

DESY, D-22607 Hamburg, Germany.;

Univ Sci & Technol China, Hefei 230026, Peoples R China.;

Novosibirsk State Univ, Novosibirsk 630090, Russia.;

Novosibirsk State Univ, Novosibirsk 630090, Russia.;

Jozef Stefan Inst, Ljubljana 1000, Slovenia.;

Univ Turin, I-10124 Turin, Italy.;

Ist Nazl Fis Nucl, Sez Torino, I-10125 Turin, Italy.;

Univ Tabuk, Fac Sci, Dept Phys, Tabuk 71451, Saudi Arabia.;

Univ Tokyo, Dept Phys, Tokyo 1130033, Japan.;

Pacific NW Natl Lab, Richland, WA 99352 USA.;

Middle E Tech Univ, TR-06531 Ankara, Turkey.;

Novosibirsk State Univ, Novosibirsk 630090, Russia.;

Moscow Inst Phys & Technol, Moscow 141700, Moscow Region, Russia.;

Univ Tabuk, Fac Sci, Dept Phys, Tabuk 71451, Saudi Arabia.;

Univ Melbourne, Sch Phys, Melbourne, Vic 3010, Australia.;

Novosibirsk State Univ, Novosibirsk 630090, Russia.;

Univ Giessen, D-35392 Giessen, Germany.;

Wayne State Univ, Detroit, MI 48202 USA.;

Hanyang Univ, Seoul 133791, South Korea.;

Univ Ljubljana, Fac Math & Phys, Ljubljana 1000, Slovenia.;

Nara Womens Univ, Nara 6308506, Japan.;

Peking Univ, Beijing 100871, Peoples R China.;

Univ Hawaii, Honolulu, HI 96822 USA.;

Max Planck Inst Phys & Astrophys, D-80805 Munich, Germany.;

Indian Inst Technol Madras, Chennai 600036, Tamil Nadu, India.;

Ecole Polytech Fed Lausanne, CH-1015 Lausanne, Switzerland.;

Jozef Stefan Inst, Ljubljana 1000, Slovenia.;

DESY, D-22607 Hamburg, Germany.;

H Niewodniczanski Inst Nucl Phys, PL-31342 Krakow, Poland.;

Seoul Natl Univ, Seoul 151742, South Korea.;

Osaka City Univ, Osaka 5588585, Japan.;

Tokyo Inst Technol, Tokyo 1528550, Japan.;

Hanyang Univ, Seoul 133791, South Korea.;

Univ Melbourne, Sch Phys, Melbourne, Vic 3010, Australia.;

Univ Basque Country UPV EHU, Bilbao 48080, Spain.;

High Energy Accelerator Res Org KEK, Tsukuba, Ibaraki 3050801, Japan.;

Moscow Inst Phys & Technol, Moscow 141700, Moscow Region, Russia.;

High Energy Accelerator Res Org KEK, Tsukuba, Ibaraki 3050801, Japan.;

Max Planck Inst Phys & Astrophys, D-80805 Munich, Germany.;

High Energy Accelerator Res Org KEK, Tsukuba, Ibaraki 3050801, Japan.;

H Niewodniczanski Inst Nucl Phys, PL-31342 Krakow, Poland.;

Max Planck Inst Phys & Astrophys, D-80805 Munich, Germany.;

High Energy Accelerator Res Org KEK, Tsukuba, Ibaraki 3050801, Japan.;

Nagoya Univ, Kobayashi Maskawa Inst, Nagoya, Aichi 4648602, Japan.;

High Energy Accelerator Res Org KEK, Tsukuba, Ibaraki 3050801, Japan.;

Univ Hawaii, Honolulu, HI 96822 USA.;

Wayne State Univ, Detroit, MI 48202 USA.;

H Niewodniczanski Inst Nucl Phys, PL-31342 Krakow, Poland.;

Univ Maribor, SLO-2000 Maribor, Slovenia.;

Natl Cent Univ, Chungli 32054, Taiwan.;

Hanyang Univ, Seoul 133791, South Korea.;

Korea Inst Sci & Technol Informat, Daejeon 305806, South Korea.;

Gyeongsang Natl Univ, Chinju 660701, South Korea.;

Sungkyunkwan Univ, Suwon 440746, South Korea.;

Soongsil Univ, Seoul 156743, South Korea.;

Kyungpook Natl Univ, Taegu 702701, South Korea.;

Korea Inst Sci & Technol Informat, Daejeon 305806, South Korea.;

Korea Univ, Seoul 136713, South Korea.;

Hanyang Univ, Seoul 133791, South Korea.;

Univ Cincinnati, Cincinnati, OH 45221 USA.;

Univ Maribor, SLO-2000 Maribor, Slovenia.;

Univ Ljubljana, Fac Math & Phys, Ljubljana 1000, Slovenia.;

Charles Univ Prague, Fac Math & Phys, CR-12116 Prague, Czech Republic.;

Indian Inst Technol Madras, Chennai 600036, Tamil Nadu, India.;

Tata Inst Fundamental Res, Mumbai 400005, Maharashtra, India.;

Tech Univ Munich, Excellence Cluster Universe, D-85748 Garching, Germany.;

Tata Inst Fundamental Res, Mumbai 400005, Maharashtra, India.;

High Energy Accelerator Res Org KEK, Tsukuba, Ibaraki 3050801, Japan.;

Toho Univ, Funabashi, Chiba 2748510, Japan.;

Kanagawa Univ, Yokohama, Kanagawa 2218686, Japan.;

Seoul Natl Univ, Seoul 151742, South Korea.;

Univ Bonn, D-53115 Bonn, Germany.;

Univ Cincinnati, Cincinnati, OH 45221 USA.;

Kyungpook Natl Univ, Taegu 702701, South Korea.;

H Niewodniczanski Inst Nucl Phys, PL-31342 Krakow, Poland.;

Moscow Inst Phys & Technol, Moscow 141700, Moscow Region, Russia.;

Virginia Polytech Inst & State Univ, CNP, Blacksburg, VA 24061 USA.;

High Energy Accelerator Res Org KEK, Tsukuba, Ibaraki 3050801, Japan.;

Basque Fdn Sci, IKERBASQUE, Bilbao 48013, Spain.;

Inst High Energy Phys, A-1050 Vienna, Austria.;

Univ Giessen, D-35392 Giessen, Germany.;

Yamagata Univ, Yamagata 9908560, Japan.;

Univ Melbourne, Sch Phys, Melbourne, Vic 3010, Australia.;

Inst High Energy Phys, Protvino 142281, Russia.;

Novosibirsk State Univ, Novosibirsk 630090, Russia.;

Luther Coll, Decorah, IA 52101 USA.;

Univ Bonn, D-53115 Bonn, Germany.;

Jozef Stefan Inst, Ljubljana 1000, Slovenia.;

Jozef Stefan Inst, Ljubljana 1000, Slovenia.;

Jozef Stefan Inst, Ljubljana 1000, Slovenia.;

Univ Tabuk, Fac Sci, Dept Phys, Tabuk 71451, Saudi Arabia.;

Natl Taiwan Univ, Dept Phys, Taipei 10617, Taiwan.;

Novosibirsk State Univ, Novosibirsk 630090, Russia.;

Tokyo Metropolitan Univ, Tokyo 1920397, Japan.;

Novosibirsk State Univ, Novosibirsk 630090, Russia.;

Univ Giessen, D-35392 Giessen, Germany.;

Niigata Univ, Niigata 9502181, Japan.;

Moscow Engn Phys Inst, Moscow 115409, Russia.;

Nagoya Univ, Grad Sch Sci, Nagoya, Aichi 4648602, Japan.;

Seoul Natl Univ, Seoul 151742, South Korea.;

Tohoku Univ, Sendai, Miyagi 9808578, Japan.;

Nagoya Univ, Grad Sch Sci, Nagoya, Aichi 4648602, Japan.;

Univ Pittsburgh, Pittsburgh, PA 15260 USA.;

Novosibirsk State Univ, Novosibirsk 630090, Russia.;

Univ Sydney, Sch Phys, Sydney, NSW 2006, Australia.;

Yonsei Univ, Seoul 120749, South Korea.;

Univ Sydney, Sch Phys, Sydney, NSW 2006, Australia.;

Univ S Carolina, Columbia, SC 29208 USA.;

Indian Inst Technol Guwahati, Gauhati 781039, Assam, India.;

Jozef Stefan Inst, Ljubljana 1000, Slovenia.;

Inst High Energy Phys, Protvino 142281, Russia.;

Novosibirsk State Univ, Novosibirsk 630090, Russia.;

Novosibirsk State Univ, Novosibirsk 630090, Russia.;

Univ Hawaii, Honolulu, HI 96822 USA.;

Nara Womens Univ, Nara 6308506, Japan.;

Jozef Stefan Inst, Ljubljana 1000, Slovenia.;

Natl Taiwan Univ, Dept Phys, Taipei 10617, Taiwan.;

Nagoya Univ, Kobayashi Maskawa Inst, Nagoya, Aichi 4648602, Japan.;

Nagoya Univ, Grad Sch Sci, Nagoya, Aichi 4648602, Japan.;

Tohoku Univ, Sendai, Miyagi 9808578, Japan.;

Univ Hawaii, Honolulu, HI 96822 USA.;

Kennesaw State Univ, Kennesaw, GA 30144 USA.;

Univ Melbourne, Sch Phys, Melbourne, Vic 3010, Australia.;

Tohoku Univ, Sendai, Miyagi 9808578, Japan.;

Inst Theoret & Expt Phys, Moscow 117218, Russia.;

Beihang Univ, Beijing 100191, Peoples R China.;

Tokyo Inst Technol, Tokyo 1528550, Japan.;

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机译：首次观察Hadronic Transition Upsilon（4s） - > eta h（b）（1p）和h（b）（1p）和eta（b）（1s）参数的新测量

First Observation of the Hadronic Transition Upsilon(4S) -> eta h(b)(1P) and New Measurement of the h(b)(1P) and eta(b)(1S) Parameters

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