Search Results - "Mimashi, T."
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Observation of a narrow charmoniumlike state in exclusive B+/--->K+/-pi+pi-J/psi decays
Published in Physical review letters (31-12-2003)“…We report the observation of a narrow charmoniumlike state produced in the exclusive decay process B+/--->K+/-pi(+)pi(-)J/psi. This state, which decays into…”
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Difference in direct charge-parity violation between charged and neutral B meson decays
Published in Nature (20-03-2008)“…Equal amounts of matter and antimatter are predicted to have been produced in the Big Bang, but our observable Universe is clearly matter-dominated. One of the…”
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SuperKEKB operation using crab waist collision scheme
Published in European physical journal plus (01-10-2021)“…SuperKEKB is an electron–positron asymmetric-energy double-ring collider, which was built in Japan. It has been operated to explore new phenomena in B-meson…”
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Observation of B → K ℓ + ℓ
Published in Physical review letters (31-12-2003)Get full text
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Upper Bound on the Decay τ → μ γ from the Belle Detector
Published in Physical review letters (30-04-2004)Get full text
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Commissioning of KEKB
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (21-02-2003)“…KEKB has been operated since December, 1998, to deliver B B ̄ pairs for a physics detector. In this paper,we describe the commissioning procedure of KEKB…”
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KEKB beam instrumentation systems
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (21-02-2003)“…For the stable high-luminosity operation and luminosity increase, the electron and positron storage rings of the KEK B-Factory (KEKB) is equipped with various…”
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Extremely low vertical-emittance beam in the accelerator test facility at KEK
Published in Physical review letters (13-05-2002)“…Electron beams with the lowest, normalized transverse emittance recorded so far were produced and confirmed in single-bunch-mode operation of the Accelerator…”
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Damage test for International Linear Collider positron generation target at KEKB
Published in Physical review special topics. PRST-AB. Accelerators and beams (01-07-2006)“…ILC (International Linear Collider) is aiming to conduct electron-positron collisions at 1 TeV center-of-mass energy. One bunch train will contain up to 2800…”
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The Physics of the B Factories
Published in The European physical journal. C, Particles and fields (01-03-2015)“…This work is on the Physics of the B Factories. Part A of this book contains a brief description of the SLAC and KEK B Factories as well as their detectors,…”
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Beam-transport system of KEKB
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (21-02-2003)“…The transport lines of the KEKB for positrons and electrons convey the beams separately from the injector linac to the KEKB rings. The length is about 500 m…”
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Achievements of KEKB
Published in Progress of theoretical and experimental physics (01-03-2013)“…The machine commissioning of KEKB started in December 1998 and its operation was terminated at the end of June 2010 to upgrade KEKB to SuperKEKB. In this…”
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The physics of the B factories
Published in The European physical journal. C, Particles and fields (01-11-2014)Get full text
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Accelerator design at SuperKEKB
Published in Progress of theoretical and experimental physics (01-03-2013)“…The SuperKEKB project requires a positron and electron collider with a peak luminosity of 8 × 1035 cm−2 s−1. This luminosity is 40 times that of the KEKB…”
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Evidence of the Purely Leptonic Decay B − → τ − ν ¯ τ
Published in Physical review letters (01-12-2006)Get full text
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The KEKB injector linac
Published in Progress of theoretical and experimental physics (01-03-2013)“…The KEKB injector linac has been continuously improved to enhance the stability of many devices and the efficiency of beam operation. These improvements…”
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Commissioning of KEKB
Published in Progress of theoretical and experimental physics (01-03-2013)“…The machine commissioning of KEKB started in December 1998 and its operation was terminated at the end of June 2010 to upgrade KEKB to SuperKEKB. In this…”
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Upgrade of the beam transport lines and the beam-abort system and development of a tune compensator in KEKB
Published in Progress of theoretical and experimental physics (01-03-2013)“…The KEKB collider achieved a maximum peak luminosity of 2.1×1034 cm−2 s−1 and an integrated luminosity of 1 ab−1 in its ten-year operation. Behind these…”
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The position monitor using stretched wire technique
Published in Proceedings of International Conference on Particle Accelerators (1993)“…The position monitor using the stretched wire method is being developed as a component of the active alignment system for particle accelerator equipment, such…”
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Conference Proceeding -
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Evidence of the purely leptonic decay B- --> tau- nu(tau)
Published in Physical review letters (22-12-2006)“…We present the first evidence of the decay B- --> tau- nu(tau), using 414 fb(-1) of data collected at the Upsilon(4S) resonance with the Belle detector at the…”
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