Search Results - "Filippone, B. W"

Improved Neutron Lifetime Measurement with UCN τ by Gonzalez, F. M., Fries, E. M., Cude-Woods, C., Bailey, T., Blatnik, M., Broussard, L. J., Callahan, N. B., Choi, J. H., Clayton, S. M., Currie, S. A., Dawid, M., Dees, E. B., Filippone, B. W., Fox, W., Geltenbort, P., George, E., Hayen, L., Hickerson, K. P., Hoffbauer, M. A., Hoffman, K., Holley, A. T., Ito, T. M., Komives, A., Liu, C.-Y., Makela, M., Morris, C. L., Musedinovic, R., O’Shaughnessy, C., Pattie, R. W., Ramsey, J., Salvat, D. J., Saunders, A., Sharapov, E. I., Slutsky, S., Su, V., Sun, X., Swank, C., Tang, Z., Uhrich, W., Vanderwerp, J., Walstrom, P., Wang, Z., Wei, W., Young, A. R.

“…We report an improved measurement of the free neutron lifetime τn using the UCN τ apparatus at the Los Alamos Neutron Science Center. We count a total of…”
Get full text

Strange Magnetism and the Anapole Structure of the Proton by Hasty, R., Hawthorne-Allen, A. M., Averett, T., Barkhuff, D., Beck, D. H., Beise, E. J., Blake, A., Breuer, H., Carr, R., Covrig, S., Danagoulian, A., Dodson, G., Dow, K., Farkhondeh, M., Filippone, B. W., Gao, J., Herda, M. C., Ito, T. M., Jones, C. E., Korsch, W., Kramer, K., Kowalski, S., Lee, P., McKeown, R. D., Mueller, B., Pitt, M., Ritter, J., Roche, J., Savu, V., Spayde, D. T., Tieulent, R., Tsentalovich, E., Wells, S. P., Yang, B., Zwart, T.

“…The violation of mirror symmetry in the weak force provides a powerful tool to study the internal structure of the proton. Experimental results have been…”
Get full text

Measurements of ultracold-neutron lifetimes in solid deuterium by Morris, C L, Anaya, J M, Bowles, T J, Filippone, B W, Geltenbort, P, Hill, R E, Hino, M, Hoedl, S, Hogan, G E, Ito, T M, Kawai, T, Kirch, K, Lamoreaux, S K, Liu, C-Y, Makela, M, Marek, L J, Martin, J W, Mortensen, R N, Pichlmaier, A, Saunders, A, Seestrom, S J, Smith, D, Teasdale, W, Tipton, B, Utsuro, M, Young, A R, Yuan, J

“…We present the first measurements of the survival time of ultracold neutrons (UCNs) in solid deuterium (SD2). This critical parameter provides a fundamental…”
Get full text

Parity-violating electron deuteron scattering and the proton's neutral weak axial vector form factor by Ito, T M, Averett, T, Barkhuff, D, Batigne, G, Beck, D H, Beise, E J, Blake, A, Breuer, H, Carr, R, Clasie, B, Covrig, S, Danagoulian, A, Dodson, G, Dow, K, Dutta, D, Farkhondeh, M, Filippone, B W, Franklin, W, Furget, C, Gao, H, Gao, J, Gustafsson, K, Hannelius, L, Hasty, R, Hawthorne-Allen, A M, Herda, M C, Jones, C E, King, P, Korsch, W, Kowalski, S, Kox, S, Kramer, K, Lee, P, Liu, J, Martin, J W, McKeown, R D, Mueller, B, Pitt, M L, Plaster, B, Quéméner, G, Réal, J-S, Ritter, J, Roche, J, Savu, V, Schiavilla, R, Seely, J, Spayde, D, Suleiman, R, Taylor, S, Tieulent, R, Tipton, B, Tsentalovich, E, Wells, S P, Yang, B, Yuan, J, Yun, J, Zwart, T

“…We report on a new measurement of the parity-violating asymmetry in quasielastic electron scattering from the deuteron at backward angles at Q2=0.038 (GeV/c)2…”
Get full text

First measurement of the neutron beta asymmetry with ultracold neutrons by Pattie, Jr, R W, Anaya, J, Back, H O, Boissevain, J G, Bowles, T J, Broussard, L J, Carr, R, Clark, D J, Currie, S, Du, S, Filippone, B W, Geltenbort, P, García, A, Hawari, A, Hickerson, K P, Hill, R, Hino, M, Hoedl, S A, Hogan, G E, Holley, A T, Ito, T M, Kawai, T, Kirch, K, Kitagaki, S, Lamoreaux, S K, Liu, C-Y, Liu, J, Makela, M, Mammei, R R, Martin, J W, Melconian, D, Meier, N, Mendenhall, M P, Morris, C L, Mortensen, R, Pichlmaier, A, Pitt, M L, Plaster, B, Ramsey, J C, Rios, R, Sabourov, K, Sallaska, A L, Saunders, A, Schmid, R, Seestrom, S, Servicky, C, Sjue, S K L, Smith, D, Sondheim, W E, Tatar, E, Teasdale, W, Terai, C, Tipton, B, Utsuro, M, Vogelaar, R B, Wehring, B W, Xu, Y P, Young, A R, Yuan, J

“…We report the first measurement of an angular correlation parameter in neutron beta decay using polarized ultracold neutrons (UCN). We utilize UCN with…”
Get full text

A compound parabolic concentrator as an ultracold neutron spectrometer by Hickerson, K.P., Filippone, B.W.

“…The design principles of nonimaging optics are applied to ultracold neutrons (UCN). In particular a vertical compound parabolic concentrator (CPC) that…”
Get full text

Determination of the axial-vector weak coupling constant with ultracold neutrons by Liu, J, Mendenhall, M P, Holley, A T, Back, H O, Bowles, T J, Broussard, L J, Carr, R, Clayton, S, Currie, S, Filippone, B W, García, A, Geltenbort, P, Hickerson, K P, Hoagland, J, Hogan, G E, Hona, B, Ito, T M, Liu, C-Y, Makela, M, Mammei, R R, Martin, J W, Melconian, D, Morris, C L, Pattie, Jr, R W, Pérez Galván, A, Pitt, M L, Plaster, B, Ramsey, J C, Rios, R, Russell, R, Saunders, A, Seestrom, S J, Sondheim, W E, Tatar, E, Vogelaar, R B, VornDick, B, Wrede, C, Yan, H, Young, A R

“…A precise measurement of the neutron decay β asymmetry A₀ has been carried out using polarized ultracold neutrons from the pulsed spallation ultracold neutron…”
Get full text

High uniformity magnetic coil for search of neutron electric dipole moment by Pérez Galván, A., Plaster, B., Boissevain, J., Carr, R., Filippone, B.W., Mendenhall, M.P., Schmid, R., Alarcon, R., Balascuta, S.

“…We present in this article a prototype magnetic coil that has been developed for a new search for the electric dipole moment of the neutron at the Spallation…”
Get full text

Scaling of the F2 structure function in nuclei and quark distributions at x>1 by Fomin, N, Arrington, J, Day, D B, Gaskell, D, Daniel, A, Seely, J, Asaturyan, R, Benmokhtar, F, Boeglin, W, Boillat, B, Bosted, P, Bruell, A, Bukhari, M H S, Christy, M E, Chudakov, E, Clasie, B, Connell, S H, Dalton, M M, Dutta, D, Ent, R, El Fassi, L, Fenker, H, Filippone, B W, Garrow, K, Hill, C, Holt, R J, Horn, T, Jones, M K, Jourdan, J, Kalantarians, N, Keppel, C E, Kiselev, D, Kotulla, M, Lindgren, R, Lung, A F, Malace, S, Markowitz, P, McKee, P, Meekins, D G, Miyoshi, T, Mkrtchyan, H, Navasardyan, T, Niculescu, G, Okayasu, Y, Opper, A K, Perdrisat, C, Potterveld, D H, Punjabi, V, Qian, X, Reimer, P E, Roche, J, Rodriguez, V M, Rondon, O, Schulte, E, Segbefia, E, Slifer, K, Smith, G R, Solvignon, P, Tadevosyan, V, Tajima, S, Tang, L, Testa, G, Trojer, R, Tvaskis, V, Vulcan, W F, Wasko, C, Wesselmann, F R, Wood, S A, Wright, J, Zheng, X

“…We present new data on electron scattering from a range of nuclei taken in Hall C at Jefferson Lab. For heavy nuclei, we observe a rapid falloff in the cross…”
Get full text

Overlap Technique for End-Cap Seals on Cylindrical Magnetic Shields by Malkowski, S., Adhikari, R. Y., Boissevain, J., Daurer, C., Filippone, B. W., Hona, B., Plaster, B., Woods, D., Yan, H.

“…We present results from studies of the effectiveness of an overlap technique for forming a magnetic seal across a gap at the boundary between a cylindrical…”
Get full text

Scaling of the F 2 Structure Function in Nuclei and Quark Distributions at x > 1 by Fomin, N., Arrington, J., Day, D. B., Gaskell, D., Daniel, A., Seely, J., Asaturyan, R., Benmokhtar, F., Boeglin, W., Boillat, B., Bosted, P., Bruell, A., Bukhari, M. H. S., Christy, M. E., Chudakov, E., Clasie, B., Connell, S. H., Dalton, M. M., Dutta, D., Ent, R., El Fassi, L., Fenker, H., Filippone, B. W., Garrow, K., Hill, C., Holt, R. J., Horn, T., Jones, M. K., Jourdan, J., Kalantarians, N., Keppel, C. E., Kiselev, D., Kotulla, M., Lindgren, R., Lung, A. F., Malace, S., Markowitz, P., McKee, P., Meekins, D. G., Miyoshi, T., Mkrtchyan, H., Navasardyan, T., Niculescu, G., Okayasu, Y., Opper, A. K., Perdrisat, C., Potterveld, D. H., Punjabi, V., Qian, X., Reimer, P. E., Roche, J., Rodriguez, V. M., Rondon, O., Schulte, E., Segbefia, E., Slifer, K., Smith, G. R., Solvignon, P., Tadevosyan, V., Tajima, S., Tang, L., Testa, G., Trojer, R., Tvaskis, V., Vulcan, W. F., Wasko, C., Wesselmann, F. R., Wood, S. A., Wright, J., Zheng, X.

“…We present new data on electron scattering from a range of nuclei taken in Hall C at Jefferson Lab. For heavy nuclei, we observe a rapid falloff in the cross…”
Get full text

Search for short-lived axions in an electron-beam-dump experiment by Riordan, EM, Krasny, MW, Lang, K, de Barbaro P, Bodek, A, Dasu, S, Varelas, N, Wang, X, Arnold, R, Benton, D, Bosted, P, Clogher, L, Lung, A, Rock, S, Szalata, Z, Filippone, BW, Walker, RC, Bjorken, JD, Crisler, M, Para, A, Lambert, J, Button-Shafer, J, Debebe, B, Frodyma, M, Hicks, RS, Peterson, GA, Gearhart, R

“…Results of an electron-beam-dump search for neutral particles with masses in the range 1 to 15 MeV and lifetimes tau of between 10 to the -14th and 10 to the…”
Get full text

The strange quark contribution to the proton's magnetic moment by Spayde, D.T, Beck, D.H, Hasty, R, Averett, T, Barkhuff, D, Dodson, G, Dow, K, Farkhondeh, M, Franklin, W, Tsentalovich, E, Yang, B, Zwart, T, Beise, E.J, Breuer, H, Tieulent, R, Carr, R, Covrig, S, Filippone, B.W, Ito, T.M, McKeown, R.D, Korsch, W, Kowalski, S, Mueller, B, Pitt, M.L, Ramsey-Musolf, M.J, Ritter, J, Wells, S.P

“…We report a new determination of the strange quark contribution to the proton's magnetic form factor at a four-momentum transfer Q2=0.1 (GeV/c)2 from…”
Get full text

Preparation of 114m In low energy conversion electron sources by Wrede, C, Filippone, B W, Garcia, A, Harper, G C, Lassell, S, Liu, J, Mendenhall, M P, Palmer, ASC, Pattie, R W, Will, DI, Young, A R

“…Highlights ao Controlled ion implantation of In-113 into thin Al substrate. ao Production of In-114m (half life=50 days) by neutron irradiation. ao Use of…”
Get full text

Longitudinal-transverse separations of deep-inelastic structure functions at low Q2 for hydrogen and deuterium by Tvaskis, V, Christy, M E, Arrington, J, Asaturyan, R, Baker, O K, Blok, H P, Bosted, P, Boswell, M, Bruell, A, Cochran, A, Cole, L, Crowder, J, Dunne, J, Ent, R, Fenker, H C, Filippone, B W, Garrow, K, Gasparian, A, Gomez, J, Jackson, H E, Keppel, C E, Kinney, E, Lapikás, L, Liang, Y, Lorenzon, W, Lung, A, Mack, D J, Martin, J W, McIlhany, K, Meekins, D, Milner, R G, Mitchell, J H, Mkrtchyan, H, Moreland, B, Nazaryan, V, Niculescu, I, Opper, A, Piercey, R B, Potterveld, D H, Rose, B, Sato, Y, Seo, W, Smith, G, Spurlock, K, van der Steenhoven, G, Stepanyan, S, Tadevosian, V, Uzzle, A, Vulcan, W F, Wood, S A, Zihlmann, B, Ziskin, V

“…We report on a study of the longitudinal to transverse cross section ratio, R=sigmaL/sigmaT, at low values of x and Q2, as determined from inclusive inelastic…”
Get full text

Sealed drift tube cosmic ray veto counters by Rios, R., Tatar, E., Bacon, J.D., Bowles, T.J., Hill, R., Green, J.A., Hogan, G.E., Ito, T.M., Makela, M., Morris, C.L., Mortenson, R., Pasukanics, F.E., Ramsey, J., Saunders, A., Seestrom, S.J., Sondheim, W.E., Teasdale, W., Saltus, M., Back, H.O., Cottrell, C.R., Holley, A.T., Pattie, R.W., Young, A.R., Broussard, L.J., Filippone, B.W., Hickerson, K.P., Liu, J., Mendenhall, M.P., Plaster, B., Mammei, R.R., Pitt, M.L., Vogelaar, R.B., Martin, J.W.

“…We describe a simple drift tube counter that has been used as a cosmic ray veto for the UCNA experiment, a first-ever measurement of the neutron beta-asymmetry…”
Get full text

Demonstration of a solid deuterium source of ultra-cold neutrons by Saunders, A, Anaya, J.M, Bowles, T.J, Filippone, B.W, Geltenbort, P, Hill, R.E, Hino, M, Hoedl, S, Hogan, G.E, Ito, T.M, Jones, K.W, Kawai, T, Kirch, K, Lamoreaux, S.K, Liu, C.-Y, Makela, M, Marek, L.J, Martin, J.W, Morris, C.L, Mortensen, R.N, Pichlmaier, A, Seestrom, S.J, Serebrov, A, Smith, D, Teasdale, W, Tipton, B, Vogelaar, R.B, Young, A.R, Yuan, J

“…Ultra-cold neutrons (UCN), neutrons with energies low enough to be confined by the Fermi potential in material bottles, are playing an increasing role in…”
Get full text

The HERMES dual-radiator ring imaging Cherenkov detector by Akopov, N, Aschenauer, E.C, Bailey, K, Bernreuther, S, Bianchi, N, Capitani, G.P, Carter, P, Cisbani, E, De Leo, R, De Sanctis, E, De Schepper, D, Djordjadze, V, Filippone, B.W, Frullani, S, Garibaldi, F, Hansen, J.-O, Hommez, B, Iodice, M, Jackson, H.E, Jung, P, Kaiser, R, Kanesaka, J, Kowalczyk, R, Lagamba, L, Maas, A, Muccifora, V, Nappi, E, Negodaeva, K, Nowak, W.-D, O'Connor, T, O'Neill, T.G, Potterveld, D.H, Ryckbosch, D, Sakemi, Y, Sato, F, Schwind, A, Shibata, T.-A, Suetsugu, K, Thomas, E, Tytgat, M, Urciuoli, G.M, Van de Kerckhove, K, Van de Vyver, R, Yoneyama, S, Zohrabian, H, Zhang, L.F

“…The construction and use of a dual radiator Ring Imaging Cherenkov (RICH) detector is described. This instrument was developed for the HERMES experiment at…”
Get full text

Impact of $^{16}$O($e,e'\alpha$)$^{12}$C measurements on the $^{12}$C($\alpha,\gamma$)$^{16}$O astrophysical reaction rate by Holt, R. J, Filippone, B. W

“…The $^{12}$C($\alpha,\gamma$)$^{16}$O reaction, an important component of stellar helium burning, has a key role in nuclear astrophysics. It has direct impact…”
Get full text

Impact of $^{16}$O($\gamma$,$\alpha$)$^{12}$C measurements on the $^{12}$C($\alpha,\gamma$)$^{16}$O astrophysical reaction rate by Holt, R. J, Filippone, B. W, Pieper, Steven C

“…Phys. Rev. C 99, 055802 (2019) The $^{12}$C($\alpha,\gamma$)$^{16}$O reaction, an important component of stellar helium burning, plays a key role in nuclear…”
Get full text