Search for the Theta+ pentaquark in the reactions gammap-->[overline K]0K+n and gammap-->[overline K]0K0p [electronic resource]
The exclusive reactions γp → {bar K}° K⁺ n and γp → {bar K}° K° p have been studied in the photon energy range 1.6--3.8 GeV, searching for evidence of the exotic baryon Θ⁺(1540) in the decays Θ⁺ → nK⁺ and Θ⁺ → pK°. Data were collected with the CLAS detector at the Thomas Jefferson National Accelerat...
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Online Access |
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| Format: | Government Document Electronic eBook |
| Language: | English |
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Washington, D.C. : Oak Ridge, Tenn. :
United States. Department of Energy. Office of Energy Research ; distributed by the Office of Scientific and Technical Information, U.S. Department of Energy,
2006.
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| Subjects: |
MARC
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| 086 | 0 | |a E 1.99: hep-ex/0606062 | |
| 086 | 0 | |a E 1.99:jlab-phy-06-544 | |
| 086 | 0 | |a E 1.99: doe/er/40150-4133 | |
| 086 | 0 | |a E 1.99: hep-ex/0606062 | |
| 088 | |a hep-ex/0606062 | ||
| 088 | |a doe/er/40150-4133 | ||
| 088 | |a jlab-phy-06-544 | ||
| 245 | 0 | 0 | |a Search for the Theta+ pentaquark in the reactions gammap-->[overline K]0K+n and gammap-->[overline K]0K0p |h [electronic resource] |
| 260 | |a Washington, D.C. : |b United States. Department of Energy. Office of Energy Research ; |a Oak Ridge, Tenn. : |b distributed by the Office of Scientific and Technical Information, U.S. Department of Energy, |c 2006. | ||
| 300 | |a 032001 : |b digital, PDF file. | ||
| 336 | |a text |b txt |2 rdacontent. | ||
| 337 | |a computer |b c |2 rdamedia. | ||
| 338 | |a online resource |b cr |2 rdacarrier. | ||
| 500 | |a Published through SciTech Connect. | ||
| 500 | |a 11/16/2006. | ||
| 500 | |a "jlab-phy-06-544" | ||
| 500 | |a " doe/er/40150-4133" | ||
| 500 | |a " hep-ex/0606062" | ||
| 500 | |a Physical Review, D (Particles Fields) 74 ISSN 0556-2821; PRVDAQ FT. | ||
| 500 | |a D. Jenkins; M. Williams; Herbert Funsten; John Price; Pavel Degtiarenko; Michael Dugger; Elliott Wolin; Angela Biselli; Keith Griffioen; Joachim Kuhn; Jeff Lachniet; Itaru Nakagawa; Silvia Niccolai; Samuel Stepanyan; D. Dale; R. Miskimen; Carlos Salgado; F. Hersman; K. Livingston; V. Kubarovsky; Michael Wood; Gabriel Niculescu; Ji Li; Patrizia Rossi; Volker Burkert; Youri Sharabian; Michel Garcon; William Brooks; Elton Smith; Hovanes Egiyan; Kim Egiyan; Kevin Giovanetti; Stepan Stepanyan; Bernhard Mecking; Brian Raue; Kyungseon Joo; Marco Ripani; Mac Mestayer; Kenneth Hicks; Reinhard Schumacher; Lawrence Weinstein; Pawel Ambrozewicz; Liping Gan; Kawtar Hafidi; Barry Berman; William Briscoe; Philip Cole; Hall Crannell; Daniel Sober; Michel Guidal; Barry Ritchie; Latifa Elouadrhiri; Ashot Gasparian; John Calarco; Alexandre Deur; Steffen Strauch; Luminita Todor; Franz Klein; Curtis Meyer; Laird Kramer; Ralph Minehart; Paul Stoler; Wooyoung Kim; Mina Nozar; Gail Dodge; Amrit Yegneswaran; Donald Crabb; Charles Hyde-Wright; Sebastian Kuhn; Dinko Pocanic; Franck Sabatie; Ulrike Thoma; Raffaella De Vita; Yelena Prok; Moscov Amaryan; Oleksandr Glamazdin; Ludyvine Morand; Daniel Carman; Evgueni Pasyuk; David Tedeschi; Kahanawita Dharmawardane; Rakhsha Nasseripour; Rustam Niyazov; Mahbubul Khandaker; Maria-Ioana Niculescu; Maurik Holtrop; Mikhail Osipenko; Konstantin Mikhaylov; Aleksey Stavinskiy; Alexander Vlassov; Clarisse Tur; Cynthia Hadjidakis; Dan Protopopescu; Alexei Klimenko; Mauro Taiuti; Lee Smith; Cornel Butuceanu; Guenther Rosner; Yordanka Ilieva; Marco Battaglieri; Henry Juengst; Ralf Gothe; Jean Laget; Evgueni Golovatch; Viktor Mokeev; Marco Anghinolfi; Gleb Fedotov; Boris Ishkhanov; Giovanni Ricco; Vladimir Sapunenko; Nikolay Shvedunov; Jacques Ball; John Goetz; Lei Guo; Dennis Weygand; Harutyun AVAKIAN; Hovhannes Baghdasaryan; Eugeny Isupov; Matthew Bellis; John Cummings; Paul Eugenio; Alexander Ostrovidov; Gordon Mutchler; Stephen Bueltmann; Andreas Klein; Ishaq Hleiqawi; Mark Ito; Robert Bradford; Gerard Gilfoyle; Mikhail Kossov; Marco Mirazita; Nathan Baltzell; Bryan McKinnon; Tsutomu Mibe; Gegham Asryan; Nathan Baillie; Ivan Bedlinski; Ivan Bedlinskiy; Nawal Benmouna; Sergey Boyarinov; Sylvain Bouchigny; Derek Branford; Shifeng Chen; Patrick Collins; Philip Coltharp; Enzo De Sanctis; Chaden Djalali; Joseph Donnelly; David Doughty; Oleksandr Dzyubak; Gagik Gavalian; Francois-Xavier Girod; Atilla Gonenc; Christopher Gordon; Nevzat Guler; Hayk Hakobyan; Rafael Hakobyan; John Hardie; David Ireland; Hyon-Suk Jo; James Kellie; Sergey Kuleshov; Jorn Langheinrich; Tsung-shung Lee; Marion MacCormick; Nikolai Markov; Joseph Melone; Steven Morrow; Maryam Moteabbed; Pawel Nadel-Turonski; Bogdan Niczyporuk; Megh Niroula; Craig Paterson; Joshua Pierce; Nikolay Pivnyuk; Oleg Pogorelko; Sergey Pozdnyakov; Gregory Riccardi; Federico Ronchetti; Joseph Santoro; Vladimir Serov; Burnham Stokes; Igor Strakovski; Avtandil Tkabladze; Svyatoslav Tkachenko; Maurizio Ungaro; Michael Vineyard; Daniel Watts; Lorenzo Zana; Jixie Zhang; Bo Zhao; Zhiwen Zhao; John Goett; Sharon Careccia; Eric Clinton; Volker Crede; Marianna Gabrielyan; Vasiliy Mochalov; Kijun Park; Aram Teymurazyan; Vitaly Baturin; Lamiaa Elfassi; Dave Lawrence; Haiyun Lu; Harutyun Gyurjyan. | ||
| 520 | 3 | |a The exclusive reactions γp → {bar K}° K⁺ n and γp → {bar K}° K° p have been studied in the photon energy range 1.6--3.8 GeV, searching for evidence of the exotic baryon Θ⁺(1540) in the decays Θ⁺ → nK⁺ and Θ⁺ → pK°. Data were collected with the CLAS detector at the Thomas Jefferson National Accelerator Facility. The integrated luminosity was about 70 pb⁻¹. The reactions have been isolated by detecting the K⁺ and proton directly, the neutral kaon via its decay to K{sub S} → π⁺π⁻ and the neutron or neutral kaon via the missing mass technique. The mass and width of known hyperons such as Σ⁺, Σ⁻ and Λ(1116) were used as a check of the mass determination accuracy and experimental resolution. Approximately 100,000 Λ*(1520)'s and 150,000 φ's were observed in the {bar K}° K⁺ n and {bar K}° K° p final state respectively. No evidence for the Θ⁺ pentaquark was found in the nK⁺ or pK{sub S} invariant mass spectra. Upper limits were set on the production cross section of the reaction γp → Θ⁺ {bar K}° as functions of center-of-mass angle, nK⁺ and pK{sub S} masses. Combining the results of the two reactions, the 95% C.L. upper limit on the total cross section for a resonance peaked at 1540 MeV was found to be 0.7 nb. Within most of the available theoretical models, this corresponds to an upper limit on the Θ⁺ width, Γ{sub Θ⁺}, ranging between 0.01 and 7 MeV. | |
| 536 | |b AC05-84ER40150. | ||
| 650 | 7 | |a Accuracy. |2 local. | |
| 650 | 7 | |a Baryons. |2 local. | |
| 650 | 7 | |a Cebaf Accelerator. |2 local. | |
| 650 | 7 | |a Cross Sections. |2 local. | |
| 650 | 7 | |a Decay. |2 local. | |
| 650 | 7 | |a Energy Range. |2 local. | |
| 650 | 7 | |a Hyperons. |2 local. | |
| 650 | 7 | |a Kaons. |2 local. | |
| 650 | 7 | |a Luminosity. |2 local. | |
| 650 | 7 | |a Mass Spectra. |2 local. | |
| 650 | 7 | |a Mesons. |2 local. | |
| 650 | 7 | |a Missing Mass. |2 local. | |
| 650 | 7 | |a Neutrons. |2 local. | |
| 650 | 7 | |a Photons. |2 local. | |
| 650 | 7 | |a Protons. |2 local. | |
| 650 | 7 | |a Total Cross Sections. |2 local. | |
| 650 | 7 | |a Particle Accelerators. |2 edbsc. | |
| 710 | 2 | |a Thomas Jefferson National Accelerator Facility (U.S.). |4 res. | |
| 710 | 1 | |a United States. |b Department of Energy. |b Office of Energy Research. |4 spn. | |
| 710 | 1 | |a United States. |b Department of Energy. |b Office of Scientific and Technical Information. |4 dst. | |
| 856 | 4 | 0 | |u http://www.osti.gov/scitech/biblio/895075 |z Online Access |
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